# AD 46-46-02: Elevator Stop

- Type: Airworthiness directive
- Status: Current
- Products: Boeing AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, AT-6C (SNJ-4) and BC-1A
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 107 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/942A72984382797486256A450068668B.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/46-46-02

## The airworthiness directive

46-46-02 NORTH AMERICAN: Was Mandatory Note 6 of AD-2-575-3.) Applies to Army BC-1A, AT-6, -6A, -6B, -6C; Navy SNJ-2, -3, -4 Aircraft.

To be accomplished prior to January 1, 1947.

Inspect all airplanes having Vest Two-Place Chum Seats installed prior to October 9, 1946, to determine that an elevator rear stop is installed on the horizontal stabilizer rear spar directly in front of the elevator horn and that the modification incorporates revised self-aligning rudder balance brackets, rudder balance cable, rudder pedal adjustment bar and reinforcement plates on forward side of firewall at the balance pulley bracket attachment points in accordance with Vest Installation Instructions dated October 9, 1946.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-2-575](https://openairdocs.org/tcds/A-2-575): The Boeing Company; names 5 of 9 models: AT-6A (SNJ-3), BC-1A, AT-6C (SNJ-4), AT-6 (SNJ-2), AT-6B

## 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: 107 (107 by airframe model, 0 by engine model)
- Makers: North American 82, North American/Victoria MNT LT 20, North American / Crosser G 1, North American-Collins 1, North American/Case M V JR 1, North American/Levrett 1, North American/Walker/Screws 1

Models with the most aircraft:

- [North American AT-6C](https://openairdocs.org/model/north-american-at-6c): 43 aircraft (airframe model)
- [North American AT-6](https://openairdocs.org/model/north-american-at-6): 28 aircraft (airframe model)
- [North American/Victoria MNT LT AT-6A](https://openairdocs.org/model/north-american-victoria-mnt-lt-at-6a): 20 aircraft (airframe model)
- [North American AT-6A](https://openairdocs.org/model/north-american-at-6a): 5 aircraft (airframe model)
- [North American AT-6B](https://openairdocs.org/model/north-american-at-6b): 3 aircraft (airframe model)
- [North American AT-6C(SNJ-4)](https://openairdocs.org/model/north-american-at-6c-snj-4): 3 aircraft (airframe model)
- [North American-Collins AT-6A](https://openairdocs.org/model/north-american-collins-at-6a): 1 aircraft (airframe model)
- [North American/Walker/Screws AT6C](https://openairdocs.org/model/north-american-walker-screws-at6c): 1 aircraft (airframe model)
- [North American / Crosser G AT6A](https://openairdocs.org/model/north-american-crosser-g-at6a): 1 aircraft (airframe model)
- [North American/Levrett AT6-C](https://openairdocs.org/model/north-american-levrett-at6-c): 1 aircraft (airframe model)
- [North American/Case M V JR AT-6](https://openairdocs.org/model/north-american-case-m-v-jr-at-6): 1 aircraft (airframe model)

All 12 models: https://openairdocs.org/ad/46-46-02/models.md
Every aircraft: https://openairdocs.org/ad/46-46-02/aircraft.md

Its text cites no advisory circulars or STCs.

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