- Models
- AT-6 (SNJ-2), AT-6A (SNJ-3), AT-6B, AT-6C (SNJ-4), BC-1A
- Data sheet
- TCDSA-2-575
- Registered aircraft
- 107 matched by model
- Product
- Aircraft · Small airplane
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 19 KB | 005c8f10…cebf0d8 | FAA DRS (API key needed) |
On this page
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 TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 107
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1938 | 1 |
|---|---|
| 1940 | 2 |
| 1941 | 11 |
| 1942 | 15 |
| 1943 | 15 |
| 1944 | 5 |
| 1945 | 2 |
| 1946 | 1 |
| 1956 | 5 |
| 1957 | 3 |
| 1958 | 3 |
| 1960 | 1 |
| 1961 | 2 |
| 1975 | 1 |
40 with no year recorded