[Correction] Fuel - Maintenance or Inspection Program - Revision
- Published
- Effective
- Deadline
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Boeing 737-100 through -500 series airplanes must revise their maintenance or inspection programs within 60 days of January 21, 2020, to include the updated airworthiness limitations. They should use Boeing Service Bulletin 737-57A1321 for compliance with AWL No. 28-AWL-31. Continued adherence to all other original AD requirements remains mandatory.
Summary
Correction to FAA Airworthiness Directive 2019-23-14 concerning The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This correction fixes an incorrect service information reference related to fuel tank ignition prevention and nitrogen generation system maintenance requirements. The directive mandates revisions to maintenance or inspection programs to incorporate updated airworthiness limitations.
What changed
The correction updates the reference in paragraph (g)(2)(ix) from Boeing Service Bulletin 737-28A1228 to the correct Boeing Service Bulletin 737-57A1321 for the initial compliance time related to AWL No. 28-AWL-31. No other changes to the original AD text or requirements were made. The effective date remains January 21, 2020.
Why it matters
Accurate service bulletin references are critical for maintenance and compliance teams to correctly implement airworthiness limitations that prevent fuel tank ignition risks. This correction ensures operators and MROs apply the proper procedures to maintain fuel system safety and regulatory compliance. It avoids confusion and potential non-compliance due to referencing incorrect maintenance documentation.
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