# AD 82-23-05: Induction Air Elbow

- Type: Airworthiness directive
- Status: Current
- Products: Twin Commander 685
- Effective: November 15, 1982
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-4492
- Registered aircraft: 8 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/74563C911B8B52C386256A4D0047B146.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/82-23-05

## The airworthiness directive

82-23-05 GULFSTREAM AMERICAN: Amendment 39-4492. Applies to Model 685 (S/Ns 12000 through 12043, and 12045 through 12066) airplanes certificated in any category.

COMPLIANCE: Required within 25 hours after the effective date of this AD, unless already accomplished.

To prevent possible contamination of cabin air by engine exhaust, accomplish the following: (a) Replace the existing induction air elbow with an improved P/N 610597-501 elbow and inspect the exhaust system in accordance with Gulfstream American Corporation Service Bulletin No. 192 dated August 20, 1982.

  (b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

  (c) An equivalent method of compliance with this AD may be used if approved by the Manager, Aircraft Certification Division, ASW-100, Southwest Regional Office, FAA, Fort Worth, Texas 76101; telephone (817) 624-4911, extension 511.

This amendment becomes effective on November 15, 1982.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 2A4](https://openairdocs.org/tcds/2A4): Twin Commander Aircraft LLC; names 1 of 21 models: 685

## 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: 8 (8 by airframe model, 0 by engine model)
- Makers: Aero Commander 8

Models with the most aircraft:

- [Aero Commander 685](https://openairdocs.org/model/aero-commander-685): 8 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/82-23-05/models.md
Every aircraft: https://openairdocs.org/ad/82-23-05/aircraft.md

Its text cites no advisory circulars or STCs.

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