- Models
- GC-1A, GC-1B
- Data sheet
- TCDSA-766
- Registered aircraft
- 541 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 | 31b41750…f822b34 | FAA DRS (API key needed) |
On this page
The airworthiness directive
46-33-02 GLOBE: (Was Mandatory Note 2 of AD-766-5.) Applies to Models GC-1A, GC-1B Aircraft Serial Numbers 3 to 174 Inclusive.
Compliance required prior to October 1, 1946.
Install stiffeners, Globe P/N 11-213-1471-1 R & L, on the flange of the upper bulkhead at fuselage Station 167, with six rivets per stiffener, to prevent the formation of cracks originating at the joggles in the flange outboard of the stabilizer attachment points. Any crack should be stop drilled. If it extends into the web of the bulkhead an 0.040-inch 24ST alclad reinforcing plate extending to the flange should be installed on the web with rivets spaced not more than 3/4 inches apart.
(Globe Customer Service Maintenance Bulletin No. 2 covers this same subject.)
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 541
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1945 | 1 |
|---|---|
| 1946 | 317 |
| 1947 | 7 |
| 1948 | 80 |
| 1949 | 10 |
| 1950 | 11 |
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1956 | 3 |
| 1957 | 1 |
| 1978 | 1 |
104 with no year recorded