# AD 65-21-02: Thrust Reverser Indicating Light Switch Striker Bracket

- Type: Airworthiness directive
- Status: Current
- Products: Boeing 707-300B Series, 707-300C Series and 720B Series
- Effective: October 2, 1965
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-130
- Registered aircraft: 6 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2CB5C7773BF681318625682E0058AD27.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/65-21-02

## The airworthiness directive

65-21-02 BOEING: Amdt. 39-130 Part 39 Federal Register September 2, 1965. Applies to Models 707B, 707C, and 720B Series Airplanes.

Compliance required within the next 1,200 hours' time in service after the effective date of this AD unless already accomplished.

The forward thrust reverser indicating light switch striker bracket may be distorted by reverser actuation impact loads resulting in false indications of reverser operation. To correct this condition, accomplish the following:

  (a) Replace existing sheet metal striker brackets, P/N 66-14396-1, with cast striker bracket, P/N 69-31381-1 or equivalent in accordance with Boeing Service Bulletin 2039 dated December 21, 1964 or later FAA-approved revision.

  (b) Approval of any equivalent means shall be processed through the Aircraft Engineering Division, FAA Western Region, Los Angeles, California.

NOTE. - Western Airlines EA 720-20165, dated September 6, 1964, is an equivalent that has been approved by the Aircraft Engineering Division, FAA Western Region.

This directive effective October 2, 1965.

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 4A26](https://openairdocs.org/tcds/4A26): The Boeing Company; names 2 of 4 models: 707-300B Series, 707-300C Series
- [TCDS 4A28](https://openairdocs.org/tcds/4A28): The Boeing Company; names 1 of 2 models: 720B 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/65-21-02/models.md
Every aircraft: https://openairdocs.org/ad/65-21-02/aircraft.md

Its text cites no advisory circulars or STCs.

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