55-07-02: Landing Gear Tube Reinforcement
FAA order 55-07-02 is an airworthiness directive published December 4, 1956. The FAA's subject line: Landing Gear Tube Reinforcement. It names Piper PA-22 Tri-Pacer and Colt: about 2,943 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: landing gear.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Piper Aircraft Inc.
- Models
- PA-22
- On this site
- Piper PA-22 Tri-Pacer and Colt 2,943 registered
Dates and paperwork
- Published
- December 4, 1956
- 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 (548 characters)
55-07-02 PIPER: Applies to All Model PA-22 Aircraft Except Serial Numbers 22-2377, 22-2379, 22-2385, 22-2388, 22-2389, 22-2391, 22-2394 and Up.
Compliance required by June 1, 1955.
Numerous instances have been reported of cracking in the leading edge of the streamlined tube of the landing gear at the point where the tube joins the inboard end of the axle. To prevent future failures, this joint should be reinforced by welding a steel strap reinforcement.
(Piper Service Letter No. 124 dated August 30, 1954, covers the same subject.)
Related safety bulletins advice on the same designs, not orders
2018-11-21SW-18-31 · NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM
2005-07-07CE-05-67 ·
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/55-07-02.json · aircraft systems.