# AD 65-24-02: Thrust Reverser

- Type: Airworthiness directive
- Status: Current
- Products: Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body, 707-200, 707-300 Series, 707-300B Series, 707-300C Series, 707-400 Series, 720 Series and 720B Series
- Effective: October 29, 1965
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-146
- Registered aircraft: 6 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B3B214FB54EF77DD8625682E0058FD50.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/65-24-02

## The airworthiness directive

65-24-02 BOEING: Amdt. 39-146 Part 39 Federal Register September 30, 1965. Applies to Models 707 and 720 Series Airplanes.

Compliance required within the next 1,800 hours' time in service after the effective date of this AD unless already accomplished.

To prevent further false indications of thrust reverser operation as a result of malfunction of the thrust reverser indicating light switch and switch wiring, accomplish the following:

  (a) On airplanes equipped with JT3D turbofan engines, modify as follows:

  (1) On airplanes modified in accordance with Boeing Service Bulletin No. 1896, dated November 1963, replace each aft thrust reverser indicating light switch with sealed switch, P/N 2HT13, in accordance with Boeing Service Bulletin No. 1896, or an equivalent.

  (2) On airplanes not modified in accordance with Boeing Service Bulletin No. 1896, replace each aft thrust reverser indicating light switch with sealed switch, P/N 2HT13, in accordance with Boeing Service Bulletin No. 1884, dated January 1964, or an equivalent.

  (3) Interchange the electrical leads on the forward and aft thrust reverser indicating light switches in accordance with Boeing Service Bulletin No. 2170, dated May 1965, or an equivalent.

  (b) On airplanes equipped with JT3C or JT4A turbojet engines, modify the thrust reverser indicating light switch wiring by interchanging the electrical leads in accordance with Boeing Service Bulletin No. 2170 or an equivalent.

  (c) Approval of any equivalent shall be processed through the Aircraft Engineering Division, FAA Western Region.

This directive effective October 29, 1965.

## Affected data sheets (3) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 4A21](https://openairdocs.org/tcds/4A21): The Boeing Company; names 4 of 4 models: 707-100B Short Body, 707-200, 707-100 Long Body, 707-100B Long Body
- [TCDS 4A26](https://openairdocs.org/tcds/4A26): The Boeing Company; names 4 of 4 models: 707-300B Series, 707-400 Series, 707-300 Series, 707-300C Series
- [TCDS 4A28](https://openairdocs.org/tcds/4A28): The Boeing Company; names 2 of 2 models: 720B Series, 720 Series

## 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: 6 (6 by airframe model, 0 by engine model)
- Makers: Boeing 6

Models with the most aircraft:

- [Boeing 707-338C](https://openairdocs.org/model/boeing-707-338c): 2 aircraft (airframe model)
- [Boeing 707-368C](https://openairdocs.org/model/boeing-707-368c): 1 aircraft (airframe model)
- [Boeing 707-321B](https://openairdocs.org/model/boeing-707-321b): 1 aircraft (airframe model)
- [Boeing 707-323B](https://openairdocs.org/model/boeing-707-323b): 1 aircraft (airframe model)
- [Boeing 707-351B](https://openairdocs.org/model/boeing-707-351b): 1 aircraft (airframe model)

All 5 models: https://openairdocs.org/ad/65-24-02/models.md
Every aircraft: https://openairdocs.org/ad/65-24-02/aircraft.md

Its text cites no advisory circulars or STCs.

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