46-37-02: Fuel Strainer Position
FAA order 46-37-02 is an airworthiness directive published June 17, 1950. The FAA's subject line: Fuel Strainer Position. It names Piper J-3 Cub: about 3,804 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: other and general.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Piper Aircraft Inc.
- Models
- J3C-65S, J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2))
- On this site
- Piper J-3 Cub 3,804 registered
Dates and paperwork
- Published
- June 17, 1950
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (545 characters)
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.)
Related safety bulletins advice on the same designs, not orders
1998-10-21ACE-99-01 ·
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/46-37-02.json · aircraft systems.