| AD Number | 71-12-03 | Status | Active |
| Effective Date | June 10, 1971 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-1224 |
| Product Type | ["Aircraft"] | Product Subtype | ["Small Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Grumman American Aviation Corporation |
| Model(s) | G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B) |
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.