Airworthiness Directives; The Boeing Company Airplanes

2026-14090] ======================================================================= ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2026-7218; Project Identifier AD-2026-00702-T; Amendment 39-23412; AD 2026-14-11] RIN 2120-AA64 Airworthiness Directives; The Boeing Company Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule; request for comments. ----------------------------------------------------------------------- SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2026-13- 05, which applied to all The Boeing Company Model 737-8, 737-9, and 737-8200 airplanes. AD 2026-13-05 required revising the existing airplane flight manual (AFM) to provide the flightcrew with operating procedures (non-normal checklists) if a certain circuit breaker in the standby power control unit (SPCU) trips or certain environmental control system (ECS) circuit breakers downstream of the SPCU trip. Since the FAA issued AD 2026-13-05, a formatting error that omitted part of a certain appendix from AD 2026-13-05 was discovered. This AD retains the certain requirements of AD 2026-13-05 and requires revising the existing AFM to include the corrected appendix. The FAA is issuing this AD to address the unsafe condition on these products. DATES: This AD is e