AD 94-10-03

final rule
Data completeness: 70%

Airworthiness Directives; McDonnell Douglas Model MD-11 and MD-11F Series Airplanes

AD Number
94-10-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
94-NM-57-AD
FR Citation
(Federal Register: May 06, 1994 (Volume 59, Number 87))

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company MD-11 Airworthiness Directives; McDonnell Douglas Model MD-11 and MD-11F Series Airplanes
aircraft The Boeing Company MD-11F Airworthiness Directives; McDonnell Douglas Model MD-11 and MD-11F Series Airplanes

Unsafe Condition

Incorrect initialization of VOR/LOC logic within the Flight Management Computer (FMC) may cause uncommanded roll mode changes during takeoff and landing, leading to deviation from the intended flight path.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Deactivate the Visual Omnidirectional Receiver/Localizer (VOR/LOC) option by removing the VOR/LOC pin from the FMC/FCC configuration plug on the main avionics rack, in accordance with Alert Service Bulletin A34-55. Operators may request alternative methods of compliance approved by the Los Angeles Aircraft Certification Office.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 30 days after the effective date of this AD (May 23, 1994).

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Affected Aircraft

McDonnell Douglas Model MD-11 and MD-11F series airplanes equipped with Honeywell Flight Management Computers having part numbers 4059050-907 or 4059050-908.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for The Boeing Company MD-11

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