AD 79-16-01

final rule
Data completeness: 70%

Airworthiness Directives; BEECH Models 65 (Military Models L-23F or U-8F), 65- 80, 65-A80 and 65-A80-8800, and 65-90 Airplanes

AD Number
79-16-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. 65 Airworthiness Directives; BEECH Models 65 (Military Models L-23F or U-8F), 65- 80, 65-A80 and 65-A80-8800, and 65-90 Airplanes
aircraft Textron Aviation Inc. 65-80 Airworthiness Directives; BEECH Models 65 (Military Models L-23F or U-8F), 65- 80, 65-A80 and 65-A80-8800, and 65-90 Airplanes
aircraft Textron Aviation Inc. 65-90 Airworthiness Directives; BEECH Models 65 (Military Models L-23F or U-8F), 65- 80, 65-A80 and 65-A80-8800, and 65-90 Airplanes
aircraft Textron Aviation Inc. 65-A80 Airworthiness Directives; BEECH Models 65 (Military Models L-23F or U-8F), 65- 80, 65-A80 and 65-A80-8800, and 65-90 Airplanes
aircraft Textron Aviation Inc. 65-A80-8800 Airworthiness Directives; BEECH Models 65 (Military Models L-23F or U-8F), 65- 80, 65-A80 and 65-A80-8800, and 65-90 Airplanes

Unsafe Condition

Fatigue cracks may exist in certain critical components of the wing structure, specifically the right and left lower forward inboard and outboard wing to center section attach fittings.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the wing attach fittings for cracks using dye penetrant procedures per specified service instructions. Report results within 48 hours. Replace cracked components with new parts as required.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

On or before September 7, 1979, except in no event sooner than 30 days after the last inspection under AD 70-25-01 or 70-25-04.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

BEECH Models 65 (Military Models L-23F or U-8F), 65-80, 65-A80, 65-A80-8800, and 65-90 with specific serial ranges: Models 65 (L-1-L-6, LC-1-LC-180, LF-7-LF-76); 65-80 (LD-1-LD-33, LD-35-LD-45, LD-47-LD-150); 65-A80/65-A80-8800 (LD-34, LD-46, LD-151-LD-244); 65-90 (LJ-1-LJ-67).

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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