# AD 82-03-05: Engine Stoppage Prevention

- Type: Airworthiness directive
- Status: Current
- Products: Maule Aerospace Technology M-5-235C and M-6-235
- Effective: February 11, 1982
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-4309
- Registered aircraft: 260 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B05263826EA603F986256A4D00457419.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/82-03-05

## The airworthiness directive

82-03-05 MAULE AIRCRAFT CORPORATION: Amendment 39-4309. Applies to Model M-5-235C, serial numbers 7322C, 7350C, A7354C, A7355C, A7358C, A7360C, A7361C, 7364C, 7365C, A7366C, A7367C; Model M-6-235, serial numbers 7356C, 7379C, 7380C, 7382C through 7388C, and 7390C, airplanes certificated in all categories.

Compliance is required within the next 25 hours time in service after the effective date of this AD unless already accomplished. To prevent engine stoppage, accomplish the following:

Install drain tube, using Maule P/N 5393A and using two hose clamp P/N 10047A-32, in the engine alternate air hose at the lowest point in the hose in accordance with Maule Service bulletin #3 dated November 6, 1981.

An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, 3400 Norman Berry Drive, East Point, Georgia 30344.

Maule Aircraft Service Bulletin #3 dated November 6, 1981, pertains to this subject.Make an appropriate maintenance record entry. This amendment becomes effective February 11, 1982.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 3A23](https://openairdocs.org/tcds/3A23): Maule Aerospace Technology Inc.; names 2 of 50 models: M-6-235, M-5-235C

## 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: 260 (260 by airframe model, 0 by engine model)
- Makers: Maule 260

Models with the most aircraft:

- [Maule M-5-235C](https://openairdocs.org/model/maule-m-5-235c): 181 aircraft (airframe model)
- [Maule M-6-235](https://openairdocs.org/model/maule-m-6-235): 79 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/82-03-05/models.md
Every aircraft: https://openairdocs.org/ad/82-03-05/aircraft.md

Its text cites no advisory circulars or STCs.

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