# AD 75-09-08: Engine Mount Members

- Type: Airworthiness directive
- Status: Current
- Products: Mooney M20C, M20D, M20E, M20F and M20G
- Effective: April 30, 1975
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-2181
- Registered aircraft: 3,035 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3181A7CAE970711B86256A3B006FCE47.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/75-09-08

## The airworthiness directive

75-09-08 MOONEY: Amendment 39-2181. Applies to Mooney Models M20C, M20D, M20E, M20F, and M20G airplanes with the following serial numbers having accumulated 400 or more hours' time in service: M20C - 1852, 1940 thru 3466, 670001 thru 700091, 20-0001 thru 20-1156. M20D - 101 thru 260. M20E - 101 thru 1308, 670001 thru 700061, 21-0001 thru 21-1165. M20F - 660003 thru 700072, 22-0001 thru 22-1207. M20G - 680001 thru 700006. Compliance required within the next 50-hours' time in service after the effective date of this AD or before the accumulation of 450-hours' time in service, whichever occurs later, unless already accomplished within the last 50-hours' time in service, and thereafter at intervals not to exceed 100-hours' time in service from the last inspection. a. To detect cracked engine mount members, inspect the mount in accordance with instructions in Mooney Service Bulletin No. M20-192 dated April 7, 1975, or later FAA approved revision, or an FAA approved equivalent method. b. If cracks are detected, repair or replace in accordance with instructions in Mooney Service Bulletin No. M20-192 dated April 7, 1975, or later FAA approved revision or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA, Southwest Region, Fort Worth, Texas. c. The 100-hour repetitive inspection may be discontinued upon repair of a cracked or uncracked mount, or upon installation of a new mount in accordance with Mooney Service Bulletin No. M20-192 dated April 7, 1975, or later FAA approved revision or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Southwest Region, Federal Aviation Administration, Fort Worth, Texas. This amendment becomes effective April 30, 1975.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 2A3](https://openairdocs.org/tcds/2A3): Mooney International Corporation; names 5 of 17 models: M20F, M20E, M20D, M20C, M20G

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 3,035 (3,035 by airframe model, 0 by engine model)
- Makers: Mooney 3,012, Aerostar Acft Corp Of Texas 23

Models with the most aircraft:

- [Mooney M20C](https://openairdocs.org/model/mooney-m20c): 1,258 aircraft (airframe model)
- [Mooney M20E](https://openairdocs.org/model/mooney-m20e): 829 aircraft (airframe model)
- [Mooney M20F](https://openairdocs.org/model/mooney-m20f): 721 aircraft (airframe model)
- [Mooney M-20G](https://openairdocs.org/model/mooney-m-20g): 116 aircraft (airframe model)
- [Mooney M20D](https://openairdocs.org/model/mooney-m20d): 88 aircraft (airframe model)
- [Aerostar Acft Corp Of Texas M20E](https://openairdocs.org/model/aerostar-acft-corp-of-texas-m20e): 9 aircraft (airframe model)
- [Aerostar Acft Corp Of Texas M20F](https://openairdocs.org/model/aerostar-acft-corp-of-texas-m20f): 8 aircraft (airframe model)
- [Aerostar Acft Corp Of Texas M20C](https://openairdocs.org/model/aerostar-acft-corp-of-texas-m20c): 6 aircraft (airframe model)

All 8 models: https://openairdocs.org/ad/75-09-08/models.md
Every aircraft: https://openairdocs.org/ad/75-09-08/aircraft.md

Its text cites no advisory circulars or STCs.

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