Federal Register #2026-14090

FAA Directive: Manual Revision for Boeing 737-8, 737-9, and 737-8200 Aircraft

This opportunity involves a regulatory compliance requirement from the Federal Aviation Administration (FAA) for operators of Boeing 737-8, 737-9, and 737-8200 aircraft. - Government Buyer: - Federal Aviation Administration (FAA), Department of Transportation - OEM Highlight: - The Boeing Company is the primary Original Equipment Manufacturer (OEM) referenced - Requirement Overview: - Supersedes a previous Airworthiness Directive (AD 2026-13-05) due to a formatting error - Addresses an unsafe condition involving potential uncontrollable high temperatures in the cabin and flight deck - Requires operators to revise the Airplane Flight Manual (AFM) to include a corrected appendix - Updated procedures focus on circuit breaker trip events and temperature control to ensure flightcrew and passenger safety - Products/Services Requested: - No physical products or part numbers are being procured - The requirement is for a service: revision of the AFM to incorporate updated safety procedures - Applicability: - All Boeing 737-8, 737-9, and 737-8200 airplanes - Notable Requirements: - Compliance with updated operating procedures is mandatory for continued airworthiness - Stakeholder comments on the directive are invited

Description

This final rule supersedes Airworthiness Directive (AD) 2026-13-05 for all Boeing Model 737-8, 737-9, and 737-8200 airplanes. It addresses a formatting error in the previous AD that omitted part of an appendix related to procedures for certain circuit breaker trips. The AD requires revising the airplane flight manual to include the corrected appendix to provide flightcrew with updated operating procedures. The unsafe condition involves potential uncontrollable high temperatures in the cabin and flight deck, which could lead to injury or incapacitation of flightcrew and passengers, affecting safe flight and landing. Comments on this AD are accepted until August 28, 2026.

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