Skip to content

AD 2024-24369

Published 2024-10-22 · 2 models · 907 US-registered tails affected · Federal Register

Airworthiness Directives; The Boeing Company Airplanes Federal Register ↗

Abstract

The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-8 and Model 737-9 airplanes. This AD was prompted by a Boeing review of the standby power system control unit (SPCU) design where a single point of failure exists internal to the SPCU. This AD requires installing four diodes and changing wire bundles in the P5 panel, as well as performing installation and power tests and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.

Applicability · by US fleet size

Federal Register text

Verbatim; the Federal Register publication is the legally binding document. Cite: 89 FR 84264. View on Federal Register ↗

[Federal Register Volume 89, Number 204 (Tuesday, October 22, 2024)] [Rules and Regulations] [Pages 84264-84267] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2024-24369]

-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2024-0229; Project Identifier AD-2023-00485-T; Amendment 39-22848; AD 2024-19-06] RIN 2120-AA64

Airworthiness Directives; The Boeing Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-8 and Model 737-9 airplanes. This AD was prompted by a Boeing review of the standby power system control unit (SPCU) design where a single point of failure exists internal to the SPCU. This AD requires installing four diodes and changing wire bundles in the P5 panel, as well as performing installation and power tests and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.

DATES: This AD is effective November 26, 2024 . The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of November 26, 2024.