AD 75-08-05

Airworthiness directive · Battery Disconnect · Twin Commander 690A

Effective
April 5, 1975
Model
690A
Data sheet
TCDS2A4
Registered aircraft
56 matched by model
Product
Aircraft · Small airplane
Amendment
39-2158

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

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.

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 56

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Rockwell International34 aircraft
  • Aero Commander22 aircraft
By year built
19731976
Registered aircraft by year built: 43 aircraft
19731
197411
197520
197611

13 with no year recorded

By model

Aircraft

See all 56 aircraft