- Published
- June 17, 1950
- Issued
- June 17, 1950
- Models
- J3C-65S, J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2))
- Data sheet
- TCDSA-691
- Registered aircraft
- 27 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 November 21, 2025.
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 | c35739cf…2678004 | FAA DRS (API key needed) |
On this page
The airworthiness directive
46-37-02 PIPER: (Was Mandatory Note 13 of AD-691-2.) Applies to J3C-65, J3C-65S, Serial Numbers 14027 Through 17959, Inclusive.
Compliance required immediately.
Affected airplanes should be examined immediately to ascertain that the fuel strainer is properly installed. The strainer should be installed with the IN port adjacent to the firewall and the OUT port facing the carburetor. If the strainer is not installed as above, it should be reversed for proper fuel flow.
(Piper Service Bulletin No. 91 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 · 27
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1940 | 3 |
|---|---|
| 1941 | 2 |
| 1942 | 1 |
| 1945 | 1 |
| 1946 | 14 |
6 with no year recorded