AD 82-23-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Twin Commander Aircraft LLC | 685 | Airworthiness Directives; Gulfstream Model 685 Series Airplanes |
Unsafe Condition
Contamination of cabin air by engine exhaust through the induction air elbow.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the existing induction air elbow with P/N 610597-501 and inspect the exhaust system per Gulfstream American Corporation Service Bulletin No. 192. Flights may be conducted under FAR 21.197 to reach a location for compliance. Equivalent methods may be approved by the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 25 hours after the effective date of this AD, unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Gulfstream Model 685 (S/Ns 12000 through 12043, and 12045 through 12066)
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Induction Air Elbow
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_82-23-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 82-23-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Gulfstream Model 685 Series Airplanes Subject: Induction Air Elbow Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/15/1982 Make: Twin Commander Aircraft LLC Model: 685 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 82-23-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4492 AD NUMBER: 82-23-05 SUBJECT HEADING: Airworthiness Directives; Gulfstream Model 685 Series Airplanes ACTION: SUMMARY: DATES: Effective November 15, 1982. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 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. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_82-23-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 82-23-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Gulfstream Model 685 Series Airplanes Subject: Induction Air Elbow Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/15/1982 Make: Twin Commander Aircraft LLC Model: 685 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 82-23-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4492 AD NUMBER: 82-23-05 SUBJECT HEADING: Airworthiness Directives; Gulfstream Model 685 Series Airplanes ACTION: SUMMARY: DATES: Effective November 15, 1982. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 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. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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