AD 70-15-03

Airworthiness directive · Fuel Selector Valve · Textron 19A, 23, A23 and 4 more

Effective
July 21, 1970
Models
19A, 23, A23, A23-19, A23-24, A23A, B23
Data sheet
TCDSA1CE
Registered aircraft
579 matched by model
Product
Aircraft · Small airplane
Amendment
39-1037

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 January 21, 2026.

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The airworthiness directive

70-15-03 BEECH: Amdt. 39-1037. Applies to Models 23, A23, A23A and B23 (Serial Numbers M-1 through M-1162); A23-24 (Serial Numbers MA-1 through MA-333); and A23-19 and 19A (Serial Numbers MB-1 through MB-392) Airplanes.

Compliance: Required as indicated, unless already accomplished.

To prevent stiff operation, binding and seizing of Beech P/N 169-920000-127 fuel selector valve assembly, accomplish the following:

Within 25 hours' time in service after the effective date of this AD, modify Beech P/N 169-920000-127 fuel selector valve assembly in accordance with Beechcraft Service Instructions No. 0364-289, or later FAA approved revision, or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

This amendment becomes effective July 21, 1970.

Affected TCDS · 1

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

Registered aircraft · 579

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
  • Beech579 aircraft
By year built
19621969
Registered aircraft by year built: 468 aircraft
196230
196381
196421
196557
1966101
196767
196869
196942

111 with no year recorded

By model

Aircraft

See all 579 aircraft