AD 82-04-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | L-1011-385-1 | LOCKHEED-CALIFORNIA COMPANY Model L-1011-385 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-14 | LOCKHEED-CALIFORNIA COMPANY Model L-1011-385 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-1-15 | LOCKHEED-CALIFORNIA COMPANY Model L-1011-385 Series Airplanes |
| aircraft | Lockheed Martin Corporation | L-1011-385-3 | LOCKHEED-CALIFORNIA COMPANY Model L-1011-385 Series Airplanes |
Unsafe Condition
Loss of the ability to tune all VOR and DME radio navigation systems due to Flight Management Computers with ARMA Part Number 2-00063-801-3 or higher ending dash number.
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Required Actions
Remove Flight Management Computer(s) and replace with modified units per Lockheed L-1011 Service Bulletin 093-34-146 (August 21, 1981, or later revisions) or remove and deactivate the FMS. Alternative means of compliance may be approved.
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Compliance Time
within 30 days from the effective date of this AD
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Affected Aircraft
Lockheed-CALIFORNIA COMPANY Model L-1011-385 series airplanes with 1 or 2 Flight Management Computers having ARMA Part Number 2-00063-801-3 or higher ending dash number
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
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