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Aircraft Fleet Management: Data & Flight Safety (big data, BIG challenges) By Steven Gentles President & CEO, AwareBase Corp. steven.gentles@awarebase.net 4118-93rd Street, Edmonton, Alberta Awarebase.net 780.988.8862 9 October 2012

awarebase.net

Slide 1 QAF-00007 Rev 2 2010-10-29


What is an Asset? High Capital Cost Significant Lifecycle Support Costs Long Life (Decades)

9 October 2012

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Slide 2 QAF-00007 Rev 3 2010-11-19


The Asset Lifecycle Nominal lifecycle cost typical of a 1980 DoD acquisition program with a 30 year service life. (http://www.gao.gov/archive/2000/ns00165.pdf)

F35 $30B Total (http://bit.ly/HR5Ubw)

67% 33%

Design

In-Service Support Manufacturing

9 October 2012

Disposal

awarebase.net

Slide 3 QAF-00007 Rev 3 2010-11-19


In Service Support Objectives

Safety

Maintenance Availability

Mods & Upgrades

Cost $$$$$

Capability

9 October 2012

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Slide 4 QAF-00007 Rev 3 2010-11-19


In Service Support - Maintenance Maintenance Program • Tasks that need to be accomplished to cost

• •

effectively maintain safety and ensure availability

Nose Gear Torque Link (Serial Numbers: 162045 - 878)

• Main elements of each task: – Activities specified – Threshold – Intervals

Thousands…

1.

– Item identified

Delivered with the aircraft Based on engineering analysis, assumptions & experience

2. 3. 4.

NG-032 12 Aug, 2002 (Rev 3)

Visually inspect the nose gear torque link pins and bushings for excessive wear . Replace if beyond limits (see AMT-12-1900) NDI inspect the attachment webs for cracking (see NDI-01-0067) Threshold: 1,000 ldg cycles or 6 years Repeat: 800 ldg cycles or 3 years

Hours, cycles, calendar time, more (including combinations)

9 October 2012

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Slide 5 QAF-00007 Rev 3 2010-11-19


In Service Support - Maintenance Maintenance Program • Tasks are grouped

A Check

Every 250 Fhrs

B Check

Every 500 Fhrs

C Check

Every 2,500 Fhrs

D Check

Every 5,000 Fhrs

– Typically according to flying hours (often a ‘common currency’) – Consider: operations, inspection locations and invasiveness

9 October 2012

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Slide 6 QAF-00007 Rev 3 2010-11-19


In Service Support – Upgrades and Modifications Upgrades & Modifications (driven by): 1970

• Regulatory Changes

• Reduced Reliability • Obsolescence

2010

• Damage

129671-1 Obsolete 9 October 2012

129671-3 awarebase.net

Slide 7 QAF-00007 Rev 3 2010-11-19


In Service Support – A Data Perspective Step1: Delivery of Assets and Supporting Information

P51 Maintenance Program

(27 P51D Mustangs)

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Slide 8 QAF-00007 Rev 3 2010-11-19


In Service Support – A Data Perspective Step 2: Organizing Asset Supporting Information Backbone – In Service BOM (Allowable Product Structure) NDI-01-0067

AMT-12-1900

Non Destructive Test Procedure

Commander Maintenance Manual

Rockwell

Rockwell

Rockwell Commander Model 112 1. Wing

2. Fuselage

3. Empennage

Nose Gear Torque Link (Serial Numbers: 045 - 878) April 12, 1976

1. 2. 3. 4.

April 12, 1972

Visually inspect the nose gear torque link pins and bushings for excessive wear . Replace if beyond limits (see AMT-12-1900) NDI inspect the attachment webs for cracking (see NDI-01-0067) Threshold: 1,000 ldg cycles or 6 years Repeat: 500 ldg cycles or 3 years

8. Landing Gear

8.1 Nose Gear Installation

Etc...

Etc...

Fig, Index

Part Number

Nomenclature

Qty

Effectivity

50-1

45207-1

Pin

1

Serno. 1 and up

50-2

AN3C13A

Bolt

2

Serno. 1 and up

AN960C10

Washer

2

Serno. 1 and up

LHTE-048W

Nut

1

Serno. 1 and up

50-75

9 October 2012

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Slide 9 QAF-00007 Rev 3 2010-11-19


In Service Support – A Data Perspective Step 3: Tracking Asset Usage • Landing Cycles

Aircraft SN 112342

• Pressurization Cycles

2,143 hrs

Wing SN 342876

• Flying Hours

2,143 hrs

• Other Powerplant

Real Product Structure • Configuration state of each asset is dynamic • Usage flows from top down • Components that are lifed must be uniquely identified and tracked • Lifed components are replaced with new or overhauled components (usage counter must be reset) • Components can and do move around among assets

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Engine SN 123456

833 hrs

Propellor SN 987665

833 hrs

Generator SN 563514

1,231 hrs

Slide 10 QAF-00007 Rev 3 2010-11-19


In Service Support – A Data Perspective

Aircraft SN 112342

Step 4: Planning Individual Asset Maintenance Nose Gear Torque Link (Serial Numbers: 162045 - 878) 1. 2. 3. 4.

NG-032 12 Aug, 2002 (Rev 3)

Visually inspect the nose gear torque link pins and bushings for excessive wear . Replace if beyond limits (see AMT-12-1900) NDI inspect the attachment webs for cracking (see NDI-01-0067) Threshold: 1,000 ldg cycles or 6 years Repeat: 750 ldg cycles or 3 years

Wing SN 342876

Key Planning Elements: Configuration Status Usage Maintenance History

Landing Gear

Nose Gear SN 162456

Inspection Due 1,707

Right Main Gear SN 974665 Left Main Gear SN 569314

Check FHRS LDG PRESS Date 9 October 2012

A 231 154 137 24-Dec-10

AB 479 320 288 24-Feb-11

A 723 482 434 26-Apr-11

AB 954 636 572 23-Jun-11

A 1,199 800 720 23-Aug-11 awarebase.net

AB 1,436 957 861 21-Oct-11

A 1,654 1,102 992 15-Dec-11

AB 1,901 1,267 1,140 14-Feb-12

A 2,143 1,428 1,285 15-Apr-12

ABC 2,393 1,595 1,436 16-Jun-12

Slide 11 QAF-00007 Rev 3 2010-11-19


In Service Support – A Data Perspective Step 5: Maintaining Each Individual Asset Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (Serial (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (SerialNumbers: Numbers:162045 162045---878) 878) 12 12Aug, Aug,2002 2002(Rev (Rev3) 3)

(Serial Numbers: 162045 - 878) 12 Aug, 2002 (Rev 3) (Serial (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (SerialNumbers: Numbers:162045 162045---878) 878) 12 12Aug, Aug,2002 2002(Rev (Rev3) 3)

1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for excessive wear ...Replace ifififbeyond limits (see AMT-12-1900) 1. Visually inspect the nose gear torque link pins and bushings for excessive wear Replace beyond limits (see AMT-12-1900) 1. Visually inspect the gear torque link pins and excessive wear Replace beyond limits (see AMT-12-1900) 1. Visually inspect the nose gear torque link pins and bushings for 1. NDI Visually inspect thenose nose gear torque link pins andbushings bushingsfor for excessive wear . Replace if beyond limits (see AMT-12-1900) excessive wear . Replace if beyond limits (see AMT-12-1900) 2. inspect the attachment webs for cracking (see NDI-01-0067) excessive wear ...Replace ifwebs beyond limits (see AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) excessive wear Replace if beyond limits (see AMT-12-1900) 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) excessive wear Replace if beyond limits (see AMT-12-1900) excessive wear . Replace ifwebs beyond limits (see AMT-12-1900) 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) 2. NDI inspect the attachment for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6 years 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6webs years 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6webs years 2. NDI inspect the attachment for cracking (see NDI-01-0067) 2. NDI inspect the attachment for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6 years 3. Threshold: 1,000 ldg cycles or 66years 4. Repeat: 750 ldg cycles or 333years 3. Threshold: 1,000 ldg cycles or years 4. Repeat: 750 ldg cycles or years 3. Threshold: 1,000 ldg cycles or 4. 750 ldg cycles or years 3. Threshold: 1,000 ldg cycles or years 3. Repeat: Threshold: 1,000 ldg cycles or666years years 4. Repeat: 750 ldg cycles or 333 years 4. Repeat: 750 ldg cycles or years 4. Repeat: 750 ldg cycles oror years 4. Repeat: 4. Repeat: 750 ldg cycles years 4. Repeat:750 750ldg ldgcycles cyclesor or333years years

9 October 2012

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Maintenance Records: • Findings • Action Taken • Methods & Procedures • Photos & Supporting Info • Parts and Materials Used • Costs • Technician Name • Supervisor • Date of Completion

Slide 12 QAF-00007 Rev 3 2010-11-19


In Service Support – A Data Perspective Step 5a: Evolving the Maintenance Program Nose Gear Torque Link

OEM Engineering Analysis, Assumptions & Experience

(Serial Numbers: 162045 - 878) 1. 2. 3. 4.

NG-032 12 Aug, 2002 (Rev 3)

Visually inspect the nose gear torque link pins and bushings for excessive wear . Replace if beyond limits (see AMT-12-1900) NDI inspect the attachment webs for cracking (see NDI-01-0067) Threshold: 1,000 ldg cycles or 6 years Repeat: 750 ldg cycles or 3 years

ISS Engineering Analysis, Assumptions & Experience

Maintenance Records

Safet y 9 October 2012

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Slide 13 QAF-00007 Rev 3 2010-11-19


In Service Support – A Data Perspective Step 5b: Asset Upgrades Rockwell Commander Model 112 1. Wing

2. Fuselage

3. Empennage

B-52 Began Operations – 1955 Expected OSD – 2045

8. Landing Gear

8.1 Nose Gear Installation

Etc...

Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 (Serial Numbers: 162045 -- 878) 12 Aug, 2002 (Rev 3) Nose Gear Torque Link NG-032 (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) Nose Gear Torque Link NG-032 (Serial (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (SerialNumbers: Numbers:162045 162045---878) 878) 12 12Aug, Aug,2002 2002(Rev (Rev3) 3)

Etc...

Fig, Index

Part Number

Nomenclature

Qty

Effectivity

50-1

45207-1

Pin

1

Serno. 1 and up

50-2

AN3C13A

Bolt

2

Serno. 1 and up

AN960C10

Washer

2

Serno. 1 and up

LHTE-048W

Nut

1

Serno. 1 and up

50-75

(Serial Numbers: 162045 - 878) 12 Aug, 2002 (Rev 3) (Serial Numbers: (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (Serial Numbers:162045 162045---878) 878) 12 12Aug, Aug,2002 2002(Rev (Rev3) 3) Visually inspect the nose gear torque link pins and bushings for

1. 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings excessive wear .. Replace ififbeyond limits (see AMT-12-1900) 1. Visually inspect the nose gear torque link pins and bushingsfor for excessive wear limits (see AMT-12-1900) 1. Visually inspect the gear torque link pins and excessive wear ..Replace Replace ififbeyond beyond limits (see AMT-12-1900) 1. Visually inspect the nose gear torque link pins and bushings for excessive wear beyond limits (see AMT-12-1900) 1. NDI Visually inspect thenose nose gear torque link pins andbushings bushingsfor for excessive wear ..Replace Replace ifwebs beyond limits (see AMT-12-1900) 2. inspect the attachment for cracking (see NDI-01-0067) excessive wear Replace ifwebs beyond limits (see AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) excessive wear . Replace if beyond limits (see AMT-12-1900) 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) excessive wear . Replace if beyond limits (see AMT-12-1900) 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) excessive wear . Replace ifwebs beyond limits (see AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6 years 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6 years 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6webs years 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6 years 2. NDI inspect the attachment for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6 years 4. Repeat: 750 ldg cycles or 33years 3. Threshold: 1,000 ldg cycles or 6 years 4. Repeat: 750 ldg cycles or 3. Threshold: 1,000 ldg cycles or 4. 750 ldg cycles or 33years years 3. Threshold: 1,000 ldg cycles or years 4. Repeat: 750 ldg cycles or 3. Repeat: Threshold: 1,000 ldg cycles or666years years 4. Repeat: 750 cycles or 33years years 4. Repeat: 750ldg ldg cycles or years 4. Repeat: 4. Repeat: 750 ldg cycles or years 4. Repeat:750 750ldg ldgcycles cyclesor or333years years

9 October 2012

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Upgrade History: • 1959-1963 (Big Four Mod Program) • 1966-1968 (Service Life Extension Program) • 1964 (Wing Fatigue Enhancement) • 1964 (Avionics Upgrade) • 1966 (Fuselage Fatigue Enhancement) • 1967 (Stability Augmentation Program) • 1971(ECM Modification) • Etc, Etc • Etc Slide 14 QAF-00007 Rev 3 2010-11-19


Summary

Rockwell Commander Model 112 1. Wing

2. Fuselage

The Only Constant is Change… Check FHRS LDG PRESS Date

Aircraft SN 112342

A 231 154 137 24-Dec-10

AB 479 320 288 24-Feb-11

A 723 482 434 26-Apr-11

AB 954 636 572 23-Jun-11

A 1,199 800 720 23-Aug-11

AB 1,436 957 861 21-Oct-11

A 1,654 1,102 992 15-Dec-11

AB 1,901 1,267 1,140 14-Feb-12

A 2,143 1,428 1,285 15-Apr-12

3. Empennage

8. Landing Gear

ABC 2,393 1,595 1,436 16-Jun-12

8.1 Nose Gear Installation Fig, Index

Wing SN 342876

Etc...

Maintenance Records

Landing Gear

Nose Gear SN 162456 Right Main Gear SN 974665

Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 (Serial Numbers: 162045 -- 878) 12 Aug, 2002 (Rev 3) Nose Gear Torque Link NG-032 (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (Serial (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (SerialNumbers: Numbers:162045 162045---878) 878) 12 12Aug, Aug,2002 2002(Rev (Rev3) 3)

Etc...

Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 (Serial Numbers: 162045 -- 878) 12 Aug, 2002 (Rev 3) Nose Gear Torque Link NG-032 Nose Gear Torque Link NG-032 (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (Serial (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (SerialNumbers: Numbers:162045 162045---878) 878) 12 12Aug, Aug,2002 2002(Rev (Rev3) 3)

Nomenclature

Qty

Effectivity

50-1

45207-1

Pin

1

Serno. 1 and up

50-2

AN3C13A

Bolt

2

Serno. 1 and up

AN960C10

Washer

2

Serno. 1 and up

LHTE-048W

Nut

1

Serno. 1 and up

50-75

Part Number

(Serial Numbers: 162045 - 878) 12 Aug, 2002 (Rev 3) (Serial Numbers: (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (Serial Numbers:162045 162045---878) 878) 12 12Aug, Aug,2002 2002(Rev (Rev3) 3) Visually inspect the nose gear torque link pins and bushings for

1. 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for excessive wear .. Replace ififbeyond limits (see AMT-12-1900) 1. Visually inspect the nose gear torque link pins and bushings for excessive wear limits (see AMT-12-1900) 1. Visually inspect the gear torque link pins and excessive wear ..Replace Replace ififbeyond beyond limits (see AMT-12-1900) 1. Visually inspect the nose gear torque link pins and bushings for 1. NDI Visually inspect thenose nose gear torque link pins andbushings bushingsfor for excessive wear beyond limits (see AMT-12-1900) excessive wear ..Replace ifwebs beyond limits (see AMT-12-1900) 2. inspect the attachment for cracking (see NDI-01-0067) excessive wear ifwebs beyond limits (see AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) excessive wear .Replace ifwebs beyond limits AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) excessive wear .Replace Replace ifwebs beyond limits (see AMT-12-1900) excessive wear .Replace Replace ifwebs beyond limits(see (see AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) 2. NDI inspect the attachment for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6webs years 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6webs years 2. NDI inspect the attachment for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6 years 2. NDI inspect the attachment for cracking (see NDI-01-0067) 2. Repeat: NDI 750 inspect theldg attachment webs for cracking (see NDI-01-0067) 3. Threshold: 1,000 cycles or 66 years 3. Threshold: 1,000 ldg cycles or 4. ldg cycles or 33years 3. Threshold: 1,000 ldg cycles or 666years years 4. Repeat: 750 ldg cycles or years 3. Threshold: 1,000 ldg cycles or years 4. Repeat: 750 ldg cycles or 3 years 3. Threshold: 1,000 ldg cycles or years 3. Repeat: Threshold: 1,000 ldgor cycles or 6 years 4. 750 ldg cycles 33years 4. Repeat: 750 ldg cycles or 4. Repeat: 750 ldg cycles oror 3years years 4. Repeat: 4. Repeat: 750 ldg cycles years 4. Repeat:750 750ldg ldgcycles cyclesor or333years years

(Serial Numbers: 162045 - 878) 12 Aug, 2002 (Rev 3) (Serial (Serial Numbers: 162045 878) 12 Aug, 2002 (Rev 3) (SerialNumbers: Numbers:162045 162045---878) 878) 12 12Aug, Aug,2002 2002(Rev (Rev3) 3)

1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for 1. Visually inspect the nose gear torque link pins and bushings for excessive wear .. Replace ifif beyond limits (see AMT-12-1900) 1. Visually inspect the nose gear torque link pins and bushings for excessive wear limits (see AMT-12-1900) 1. Visually inspect the gear torque link pins and excessive wear ..Replace ifififbeyond beyond limits (see AMT-12-1900) 1. Visually inspect the nose gear torque link pins and bushings for excessive wear Replace beyond limits (see AMT-12-1900) 1. NDI Visually inspect thenose nose gear torque link pins andbushings bushingsfor for excessive wear .Replace beyond limits (see AMT-12-1900) 2. inspect the attachment webs for cracking (see NDI-01-0067) excessive wear ..Replace ifwebs beyond limits (see AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) excessive wear ifwebs beyond limits (see AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) excessive wear .Replace Replace ififwebs beyond limits (see AMT-12-1900) 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) excessive wear .Replace Replace beyond limits (see AMT-12-1900) 2. NDI inspect the attachment for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6webs years 2. NDI inspect the attachment webs for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 6webs years 2. NDI the attachment for 3. Threshold: 1,000 ldg cycles or 6webs years 2. NDI inspect the attachment for cracking (see NDI-01-0067) 3. Threshold: 1,000 ldg cycles or 666 years 2. Repeat: NDIinspect inspect the attachment forcracking cracking(see (seeNDI-01-0067) NDI-01-0067) 3. Threshold: 1,000 ldg cycles or years 4. 750 ldg cycles or 333years 3. Threshold: 1,000 ldg cycles or years 4. Repeat: 750 ldg cycles or years 3. Threshold: 1,000 ldg cycles or 6 years 4. Repeat: 750 ldg cycles or years 3. Threshold: 1,000 ldg cycles or 6 years 4. 750 ldg cycles 333years 3. Repeat: Threshold: 1,000 ldgor cycles or 6 years 4. Repeat: 750 ldg cycles or years 4. Repeat: 750 ldg cycles oror years 4. Repeat: 4. Repeat: 750 ldg cycles years 4. Repeat:750 750ldg ldgcycles cyclesor or333years years

Left Main Gear SN 569314

Affected Items CBA

• • •

Configuration state of each asset must be known always Must always comply with configuration allowed Consequences of non-compliance: safety, availability, economic 9 October 2012

awarebase.net

Problem Report

Change Request

Relationships mean everything

CRB

Change Notice

Slide 15 QAF-00007 Rev 3 2010-11-19


Safety C130 Water Bomber Crash – Walker, California

ISS Engineering Analysis, Assumptions & Experience

Probable Cause: The inflight failure of the right wing due to fatigue cracking in the center wing lower skin and underlying structural members. A factor contributing to the accident was inadequate maintenance procedures to detect fatigue cracking. (NTSB Report LAX02GA201)

Center Wing Inspections (Serial Numbers: 162045 - 878) 1. 2. 3. 4.

CW-032 12 Aug, 2002 (Rev 3)

Visually inspect NDI inspect Threshold: Repeat:

Usage spectrum far more severe than assumed – fatigue cracking progressed much quicker than anticipated

9 October 2012

awarebase.net

Slide 16 QAF-00007 Rev 3 2010-11-19


AwareBase & Asset In Service Support AwareBase is the Canadian CC130 Technical Information Services Provider

CC130 Hercules Data Count • Lifed Items: 10,000 • Maintenance Program Requirements: 8,500

“Delivering Asset Data and Information to Those Who Need It”

• Maintenance Records: 750,000 (20 years) • Flight Files (Usage Data Files): 140,000 (20 years)

• In-Service BOM Tree Items: 90,000 • Technical Documents and Files: 250,000

big Data, BIG Challenges!

9 October 2012

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Slide 17 QAF-00007 Rev 3 2010-11-19

Aircraft Fleet Management  

By Steven Gentles

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