Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: The tripping of certain environmental control system (ECS) circuit breakers downstream of the standby power control unit (SPCU) could occur, leading to potential loss of ECS functionality.
Effective: Jul 16, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Omission of part of an appendix in the airplane flight manual (AFM) that provides operating procedures for flightcrew in case a certain circuit breaker in the standby power control unit (SPCU) or c...
Effective: Jul 13, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) whi...
Effective: Jul 1, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) whi...
Effective: Jul 1, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) whi...
Effective: Jul 1, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) whi...
Effective: Jul 1, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) whi...
Effective: Jul 1, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) whi...
Effective: Jul 1, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) whi...
Effective: Jul 1, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Clamshell couplings in door 1 and door 3 lavatory and galley potable water systems may lack the required safety strap or be incorrectly installed, increasing the risk of coupling separation and wat...
Effective: Jun 3, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: The existing maintenance or inspection program does not include new or more restrictive airworthiness limitations that are necessary.
Effective: Jun 3, 2026Category: aircraft
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Discovery of a crack at one of the forward lower fastener holes following replacement of a cracked underwing longeron (UWL) fitting. Such cracking could result in loss in the primary load path betw...
Effective: Apr 16, 2026Category: aircraftCompliance: Within the compliance times specified in the tables of Boeing Alert Requirements Bulletin 767-57A...
Why matched: Airworthiness Directives; The Boeing Company Airplanes
Airworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: Loss of transponder for airplanes entering airspace in the presence of continuous wave (CW) interference where the transponder did not meet the minimum operational performance standards (MOPS) requ...
Effective: Apr 16, 2026Category: aircraftCompliance: Within 48 months of the effective date of this AD.
Why matched: Airworthiness Directives; The Boeing Company Airplanes