Time Limits / Maintenance Checks — Airworthiness Limitations for Fuel Tank Safety — Amendment
- Published
- Effective
- Deadline
- Replaces
- 2008-10-07 R1
- Replaces
- 2008-18-09
- Replaces
- 2010-13-12
- Replaces
- 2010-24-13
- Replaces
- 2011-06-03
- Replaces
- 2014-15-14
- Replaces
- 2016-19-03
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Affected operators must revise their maintenance or inspection programs within 60 days of the directive's effective date to incorporate the specified airworthiness limitations. Initial compliance times for specific tasks vary but generally require actions within 12 to 144 months depending on the task and aircraft history. Operators should consult Boeing's September 2020 Airworthiness Limitations and Certification Maintenance Requirements document to ensure full compliance.
Summary
The Federal Aviation Administration's Airworthiness Directive 2022-17-03 is a final rule addressing all Boeing 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747SR, and 747SP series airplanes. This directive mandates updates to the maintenance or inspection programs to incorporate the latest airworthiness limitations related to fuel tank ignition prevention. The directive aims to mitigate the risk of fuel tank explosions caused by ignition sources within fuel tanks.
What changed
This new airworthiness directive requires operators to revise their existing maintenance or inspection programs to include the latest Boeing 747-100/200/300/SP/SR Airworthiness Limitations and Certification Maintenance Requirements dated September 2020. It introduces new or more restrictive requirements specifically targeting fuel tank ignition prevention. The directive also specifies initial compliance times for various airworthiness limitation instruction tasks related to fuel tank wiring and electrical system inspections.
Why it matters
This directive is critical for aviation professionals as it addresses a significant safety risk involving potential ignition sources inside fuel tanks, which could lead to catastrophic fuel tank explosions. Operators, maintenance organizations, and compliance teams must ensure their maintenance programs reflect these updated limitations to maintain airworthiness and regulatory compliance. Failure to comply could result in unsafe operating conditions and regulatory penalties.
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