# AD 47-10-02: Elevator Tab Control Circuit Breaker

- Type: Airworthiness directive
- Status: Current
- Products: Lockheed 49-46
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Registered aircraft: 1 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7D438E7C00ADB22B8625696D00719D6D.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-10-02

## The airworthiness directive

47-10-02 LOCKHEED: (Was Mandatory Note 1 of AD-763-3). Applies Only to Model 49 Serial Numbers 2021 to 2054, Inclusive.

Compliance required prior to March 1, 1947.

Install an AN 3161-P15 (or equivalent) non-trip-free circuit breaker in the elevator tab control circuit. The breaker is to be located in the pilots' control stand, with access through a plate immediately forward of the control quadrant. Minor wiring changes to connect the circuit breaker are also necessary. (LAC Service Bulletin 049/SB-4 covers this same subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-763](https://openairdocs.org/tcds/A-763): Lockheed Martin Aeronautics Company; names 1 of 6 models: 49-46

## 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: 1 (1 by airframe model, 0 by engine model)
- Makers: Lockheed 1

Models with the most aircraft:

- [Lockheed 49-46](https://openairdocs.org/model/lockheed-49-46): 1 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/47-10-02/models.md
Every aircraft: https://openairdocs.org/ad/47-10-02/aircraft.md

Its text cites no advisory circulars or STCs.

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