Airworthiness directives › 2025-06-12
AD 2025-06-12 Airworthiness Directives; The Boeing Company Airplanes
Models named: 777-200, -200LR, -300, -300ER, 777F series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes, certificated in any category, as identified in Boeing Alert Requirements Bulletin 777-22A0046 RB, dated October 25, 2022.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraph (h) of this AD: At the applicable times specified in paragraph 3., “Compliance,” of Boeing Alert Requirements Bulletin 777-22A0046 RB, dated October 25, 2022, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 777-22A0046 RB, dated October 25, 2022. Note 1 to paragraph (g): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 777-22A0046, dated October 25, 2022, which is referred to in Boeing Alert Requirements Bulletin 777-22A0046 RB, dated October 25, 2022.
Unsafe condition
This AD was prompted by a report indicating that an airplane experienced a glideslope (G/S) beam anomaly during an instrument landing system (ILS) approach, which resulted in a higher-than-expected descent rate during the final segment of an ILS approach. The FAA is issuing this AD to address misleading flight director guidance that the flightcrew might follow after disconnecting the autopilot, without reference to the other available information and flight deck indications. The unsafe condition, if not addressed, could result in a late touchdown, a runway excursion, or controlled flight into terrain.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1