71-12-03: Flex Drive Elevator Tab Control

FAA order 71-12-03 is an airworthiness directive in force since June 10, 1971. The FAA's subject line: Flex Drive Elevator Tab Control. It names Grumman G-21: about 35 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: Grumman American Aviation Corporation
Models: G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B)
On this site: Grumman G-21 35 registered

Dates and paperwork

In force since: June 10, 1971
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 (598 characters)

71-12-03   GRUMMAN AIRCRAFT:  Amdt. 39-1224.  Applies to Model G21A aircraft certificated in all categories. 

	Within the next 25 flight hours after the effective date of this AD, unless already accomplished, visually inspect, replace or repair P/N 7190Y-OA-1408 (flexible drive shaft, elevator tab control) in accordance with the procedure of Grumman Customer Bulletin G21A No. 71-1 dated 3 March 1971 or with equivalent method. 

	Equivalent methods or parts must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region. 

	This amendment is effective June 10, 1971.

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 12, 2026. Connections as data: /graph/directive/71-12-03.json · aircraft systems.