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57-19-01: Elevator Rod End Bearing

FAA order 57-19-01 is an airworthiness directive published January 23, 1958. The FAA's subject line: Elevator Rod End Bearing. It names Piper PA-23 Apache and Aztec: about 1,315 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: flight controls.

What it applies to as the FAA lists it

Kind of product
Aircraft
Makes
Piper Aircraft Inc.
Models
PA-23
On this site
Piper PA-23 Apache and Aztec 1,315 registered

Dates and paperwork

Published
January 23, 1958
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 (839 characters)
57-19-01 PIPER: Applies to Model PA-23, Serial Numbers 23-129, 23-132 to 23-228 Inclusive; 23-230 to 23-766 Inclusive; 23-768 to 23-850 Inclusive; 23-852 to 23-883 Inclusive; 23-885 to 23-937 Inclusive; 23-939 to 23-1017 Inclusive; 23-1019, 23-1020, 23-1022 to 23-1030 Inclusive; 23-1032 to 23-1042 Inclusive; 23-1044, 23-1046 to 23-1057 Inclusive; 23-1059 to 23- 1064 Inclusive; 23-1066, 23-1069 to 23-1074 Inclusive; 23-1076, 23-1078 to 23-1082 Inclusive. Compliance required by November 1, 1957. Inspect the Heim rod end bearing (P/N HMX-4M) located where the front elevator control tube attaches to the lower horn on the control column. If more than six threads show on the rod end, rerig the control column so that six or less threads are exposed. (Piper Service Bulletin No. 156 dated July 2, 1957, covers this subject.)

Related safety bulletins advice on the same designs, not orders

2018-11-21SW-18-31 · NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM
2017-02-21CE-17-08 · Main Landing Gear Drag Link Bolt
2012-09-17CE-12-44 · Exhaust systems
2008-01-09CE-08-11 · Landing Gear
2005-07-07CE-05-67 ·

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/57-19-01.json · aircraft systems.