# AD 80-19-18: Fire Damage to Service Center

- Type: Airworthiness directive
- Status: Current
- Products: Lockheed Martin L-1011-385-1, L-1011-385-1-14, L-1011-385-1-15 and L-1011-385-3
- Effective: September 29, 1980
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-3920
- Registered aircraft: 4 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/457A67460C4D611C8625697500492E4C.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/80-19-18

## The airworthiness directive

80-19-18 LOCKHEED - CALIFORNIA: Amendment 39-3920. Applies to Lockheed Model L-1011-385 series airplanes certificated in all categories.

Compliance required within 25 hours' time in service from the effective date of this AD, unless already accomplished.

To prevent possible fire damage to the forward electronic service center accomplish the following:

a) Open the circuit breaker labeled "HEATERS JET PUMP LAV" (L-1011-385-1), "HEATERS LAV JET PUMP" (L-1011-385-3); collar the circuit breaker and install a tag labeled "Do Not RE-SET".

NOTE: Lockheed Alert Service Bulletin 093-21-A180 dated March 12, 1980 refers to this subject.

b) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Aircraft Engineering Division, FAA Western Region.

This amendment becomes effective September 29, 1980.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A23WE](https://openairdocs.org/tcds/A23WE): Lockheed Martin Corporation; names 4 of 4 models: L-1011-385-1-14, L-1011-385-3, L-1011-385-1, L-1011-385-1-15

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 4 (4 by airframe model, 0 by engine model)
- Makers: Lockheed 4

Models with the most aircraft:

- [Lockheed L-1011-385-1](https://openairdocs.org/model/lockheed-l-1011-385-1): 2 aircraft (airframe model)
- [Lockheed L-1011-385-1-15](https://openairdocs.org/model/lockheed-l-1011-385-1-15): 1 aircraft (airframe model)
- [Lockheed L-1011-385-3](https://openairdocs.org/model/lockheed-l-1011-385-3): 1 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/80-19-18/models.md
Every aircraft: https://openairdocs.org/ad/80-19-18/aircraft.md

Its text cites no advisory circulars or STCs.

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