AD 75-08-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Twin Commander Aircraft LLC | 690A | Airworthiness Directives; Rockwell International Corp., General Aviation Division Model 690A Airplanes |
Unsafe Condition
Incorrect connection of wires P42B22 and P53B22 may result in improper operation of the battery select switch, leading to potential loss of electrical power.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Check operation of the battery select switch per Service Bulletin No. 149 or equivalent; interchange wires P42B22 and P53B22 if the check indicates incorrect connection.
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Compliance Time
within the next 25 hours time in service after the effective date of this AD
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Affected Aircraft
Rockwell International Corp., General Aviation Division Model 690A airplanes with serial numbers 11100 through 11196, 11198 through 11215, 11219 through 11227, and 11231 through 11233.
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Federal Register Abstract
Battery Disconnect
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-08-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-08-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Rockwell International Corp., General Aviation Division Model 690A Airplanes Subject: Battery Disconnect Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/05/1975 Make: Twin Commander Aircraft LLC Model: 690A Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-08-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2158 AD NUMBER: 75-08-05 SUBJECT HEADING: Airworthiness Directives; Rockwell International Corp., General Aviation Division Model 690A Airplanes ACTION: SUMMARY: DATES: Effective on April 5, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-08-05 ROCKWELL INTERNATIONAL CORP., GENERAL AVIATION DIVISION: Amendment 39-2158. Applies to Model 690A airplanes, Serial Numbers 11100 through 11196, 11198 through 11215, 11219 through 11227, and 11231 through 11233. Compliance required within the next 25 hours time in service after the effective date of this AD, unless already accomplished. To assure correct battery disconnect, accomplish the following: (a) Check operation of the battery select switch in accordance with Rockwell International, General Aviation Division, Service Bulletin No. 149, dated February 20, 1975, or later approved revision or in accordance with an equivalent operational check approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration. (b) If the check indicates incorrect connection, interchange Wires P42B22 and P53B22. This amendment becomes effective on April 5, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-08-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-08-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Rockwell International Corp., General Aviation Division Model 690A Airplanes Subject: Battery Disconnect Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/05/1975 Make: Twin Commander Aircraft LLC Model: 690A 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: 75-08-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2158 AD NUMBER: 75-08-05 SUBJECT HEADING: Airworthiness Directives; Rockwell International Corp., General Aviation Division Model 690A Airplanes ACTION: SUMMARY: DATES: Effective on April 5, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-08-05 ROCKWELL INTERNATIONAL CORP., GENERAL AVIATION DIVISION: Amendment 39-2158. Applies to Model 690A airplanes, Serial Numbers 11100 through 11196, 11198 through 11215, 11219 through 11227, and 11231 through 11233. Compliance required within the next 25 hours time in service after the effective date of this AD, unless already accomplished. To assure correct battery disconnect, accomplish the following: (a) Check operation of the battery select switch in accordance with Rockwell International, General Aviation Division, Service Bulletin No. 149, dated February 20, 1975, or later approved revision or in accordance with an equivalent operational check approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration. (b) If the check indicates incorrect connection, interchange Wires P42B22 and P53B22. This amendment becomes effective on April 5, 1975. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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