Airworthiness Directives (ADs)
CAA-2020-09-007
The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.
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Issue Date
- 2020/09/25
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Applicability
- Model 777-200, 777-200LR, and 777-300 series airplanes, certificated in any category, line numbers 1 through 561 inclusive, excluding airplanes identified in paragraphs (c)(1) through (3) of this AD.
(1) Airplanes on which the center tank consists only of the inboard structural box of the left and right wings (i.e., the wing center structural box is a dry bay and is not part of the fuel tank).
(2) Airplanes equipped with a flammability reduction means (FRM) approved by the FAA as compliant with the fuel tank flammability reduction (FTFR) requirements of 14 CFR 25.981(b) or 26.33(c)(1).
(3) Airplanes equipped with an ignition mitigation means (IMM) approved by the FAA as compliant with the FTFR requirements of 14 CFR 25.981(c) or 26.33(c)(2).
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Model Number
- Boeing 777-200, 777-200LR, and 777-300 series airplanes.
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CAA AD Number
- CAA-2020-09-007
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2020-18-12
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Effective Date
- 2020/10/26
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Subject
- This AD requires modifying the fuel quantity indicating system to prevent development of an ignition source inside the center fuel tank due to electrical fault conditions. and also provides alternative actions for cargo airplanes.
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Reference Publications (Revision/ATA/SB)
- None
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Remarks
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Download
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