AD 75-08-07

Airworthiness directive · Bleed Air Line · Twin Commander 690A

Effective
April 10, 1975
Model
690A
Data sheet
TCDS2A4
Registered aircraft
56 matched by model
Product
Aircraft · Small airplane
Amendment
39-2160

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

75-08-07 ROCKWELL INTERNATIONAL CORP., GENERAL AVIATION DIVISION: Amendment 39-2160. Applies to Model 690A airplanes, Serial Numbers 11100 through 11208.

Compliance required within 25 hours' time in service after the effective date of this AD, unless otherwise accomplished.

To minimize the possibility of bleed air line failure and resultant leakage, accomplish the following:

Modify Model 690A airplanes in accordance with Rockwell International, General Aviation Division, Service Bulletin Number 147 dated November 27, 1974, except that the requirements of Paragraphs "s" and "u" may be ignored and the first item under "SUPPLY DATA" may be deleted, or later approved revision, or in accordance with an equivalent procedure approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, Federal Aviation Administration.

This amendment becomes effective on April 10, 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