AD 58-23-03

Airworthiness directive · Aileron Counterbalance Brace · Mooney M20

Model
M20
Data sheet
TCDS2A3
Registered aircraft
23 matched by model
Product
Aircraft · Small airplane

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

58-23-03 MOONEY: Applies to Model M-20 Aircraft Serial Numbers 1002 Through 1051. Compliance required as soon as practicable but not later than December 15, 1958. Several failures of the aileron counterbalance buttweld at the aileron spar have occurred. The affected airplanes do not have a 3/8 inch O.D. x 0.028 inch x 3 inch steel reinforcing brace installed. It must be determined whether this brace has been incorporated. If not, the following inspection and repair must be accomplished: 1. Remove the paint from the subject welded joint and inspect for cracks. 2. Reweld the joint if cracks are present. 3. Install the 3/8 inch O.D. x 0.028 inch x 3 inch 4130 steel tubular brace (trimmed to fit). (Mooney Aircraft, Inc. Service Letter 20-7 Revision B covers this same subject.)

Affected TCDS · 1

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

Registered aircraft · 23

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
  • Mooney23 aircraft
By year built
19561976
Registered aircraft by year built: 18 aircraft
19566
19576
19601
19622
19651
19661
19761

5 with no year recorded

By model

Aircraft

See all 23 aircraft