The document discusses potential issues with incomplete, misleading, or unclear aircraft maintenance procedures. It notes that one misleading procedure led to five aircraft accidents. It advises maintenance technicians to carefully review current procedures and compare them to related documents like the Illustrated Parts Catalog, Service Instructions, and Special Airworthiness Information Bulletins to validate procedures before performing maintenance. It also provides guidance on what technicians should do if they find any conflicts or issues with procedures.

1. Presented to:
By:
Date:
Federal Aviation
AdministrationOrganizational
Culture
Confusing & Unclear
Procedures
Revision 1, 11/08/2012
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2. 2Federal Aviation
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Objective
• Caution you that maintenance procedures
may be incomplete, misleading, or unclear.
• How to minimize using incomplete,
misleading, or unclear procedures.
• What to do if you become aware of
incomplete, misleading, or unclear
procedures

3. 3Federal Aviation
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Sometimes Following Procedures
Leads To Improper Installation
• One Misleading Procedure Leads To Five
Aircraft Accidents

4. 4Federal Aviation
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Service and Maintenance Manual

5. 5Federal Aviation
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Illustrated Parts Catalog

6. 6Federal Aviation
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SAIB NE-06-06

7. 7Federal Aviation
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WWWWWWWWWW

8. 8Federal Aviation
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Scenario Summary
• Prop Governor Installed In Accordance With:
– Maintenance Manual “ONLY”
– Read related documents to affirm procedure
• Illustrated Parts Catalog (IPC)
• Service Instruction (SI)
• Special Airworthiness Information Bulletin (SAIB)
Prior to Performing Maintenance ---- Carefully review
the current applicable maintenance instructions.
Then compare to related information.

9. 9Federal Aviation
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Regulatory Requirement
• Sec. 43.13
Performance rules (general).
(a) Each person performing maintenance, alteration, or preventive
maintenance on an aircraft, engine, propeller, or appliance shall use
the methods, techniques, and practices prescribed in the current
manufacturer's maintenance manual or Instructions for Continued
Airworthiness prepared by its manufacturer, or other methods,
techniques, and practices acceptable to the Administrator, except as
noted in Sec. 43.16. He shall use the tools, equipment, and test
apparatus necessary to assure completion of the work in accordance
with accepted industry practices. If special equipment or test
apparatus is recommended by the manufacturer involved, he must
use that equipment or apparatus or its equivalent acceptable to the
Administrator.

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What should I…the AMT… do?
• Carefully read maintenance procedures.
• Determine if procedures are complete
• Research available data to validate the
procedure.
– IPC, SAIB, Service Letters, Overhaul Manual etc.
• www.faasafety.gov has links to many resources
• If conflicts noted-Stop, Report, and Discuss
– Contact local FAASTeam FPM or FSDO ASI

11. 11Federal Aviation
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Summary
• Be wary maintenance procedures may be
incomplete or misleading.
• Know there is related maintenance
information that can be used to verify
maintenance procedures
• There are actions you can pursue to remedy