- Model
- Navion (Army L-17A)
- Data sheet
- TCDSA-782
- Registered aircraft
- 373 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 | 18 KB | 7816c3e9…c8691dd | FAA DRS (API key needed) |
On this page
The airworthiness directive
47-11-01 NAVION: (Was Mandatory Note 1 of AD-782-3.) Applies Only to Serial Numbers NAV-4-2 to NAV-4-550, Inclusive.
To be accomplished immediately.
Remove present rudder-nose gear steering bellcrank, P/N 145-34175 and replace with new part of the same number furnished by North American. The replacement part is to be identified by a yellow dot and the stamp (SPL).
(North American Service Bulletin No. 21, dated January 23, 1947, 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 · 373
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1946 | 78 |
|---|---|
| 1947 | 98 |
| 1948 | 88 |
| 1949 | 23 |
| 1950 | 2 |
| 1951 | 1 |
| 1956 | 1 |
| 1958 | 1 |
| 1959 | 1 |
80 with no year recorded