| AD Number | 75-08-05 | Status | Active |
| Effective Date | April 05, 1975 | Issue Date | Not specified |
| Docket Number | Unknown | Amendment | 39-2158 |
| Product Type | ["Aircraft"] | Product Subtype | ["Small Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | N/A |
| Citation | This information is not available. | ||
| Manufacturer(s) | Twin Commander Aircraft LLC |
| Model(s) | 690A |
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.