Open for Comment: Airworthiness Directives; The Boeing Company Airplanes

Transportation Department — The FAA proposes to adopt a new airworthiness directive (AD) certain The Boeing Company Model 737-700, -700C, -800, and -900ER series airplanes. This proposed AD was prompted by a leak through the form-in-place (FiP) gasket at the engine fuel shutoff valve access panel found during a leak check. This proposed AD would require a detailed inspection of the left and right side FiP gasket at the engine fuel shutoff valve access panel, for correct sealant installation, a fluid leak test of the engine fuel shutoff valve access panels for any leak, and applicable on-condition actions. The FAA is proposing this AD to address the unsafe condition on these products. (43 days remaining)

Open for Comment: Airworthiness Directives; The Boeing Company Airplanes

Transportation Department — The FAA proposes to adopt a new airworthiness directive (AD) certain The Boeing Company Model 737-700, -700C, -800, and -900ER series airplanes. This proposed AD was prompted by a leak through the form-in-place (FiP) gasket at the engine fuel shutoff valve access panel found during a leak check. This proposed AD would require a detailed inspection of the left and right side FiP gasket at the engine fuel shutoff valve access panel, for correct sealant installation, a fluid leak test of the engine fuel shutoff valve access panels for any leak, and applicable on-condition actions. The FAA is proposing this AD to address the unsafe condition on these products. (43 days remaining)

Type: comment-period | Source: federalregister.gov


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    "documentNumber": "2026-05843",
    "title": "Airworthiness Directives; The Boeing Company Airplanes",
    "summary": "The FAA proposes to adopt a new airworthiness directive (AD) certain The Boeing Company Model 737-700, -700C, -800, and -900ER series airplanes. This proposed AD was prompted by a leak through the form-in-place (FiP) gasket at the engine fuel shutoff valve access panel found during a leak check. This proposed AD would require a detailed inspection of the left and right side FiP gasket at the engine fuel shutoff valve access panel, for correct sealant installation, a fluid leak test of the engine fuel shutoff valve access panels for any leak, and applicable on-condition actions. The FAA is proposing this AD to address the unsafe condition on these products.",
    "agency": "Transportation Department",
    "commentUrl": "http://www.regulations.gov/commenton/FAA-2026-2725-0001",
    "commentsCloseOn": "2026-05-11",
    "daysUntilClose": 43,
    "url": "https://www.federalregister.gov/documents/2026/03/26/2026-05843/airworthiness-directives-the-boeing-company-airplanes"
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