AD 81-23-01 R1

final rule
Data completeness: 70%

Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes

AD Number
81-23-01 R1
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. 100 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65-88 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65-90 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65-A80 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65-A80-8800 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65-A90 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65-A90-1 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65-A90-2 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes
aircraft Textron Aviation Inc. 65-A90-3 Airworthiness Directives; Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F Airplanes

Unsafe Condition

Rust, pits, or cracks in bolts and nuts at the lower forward attachments of outer wing panels to the wing center section could result in wing separation.

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

Required Actions

Prior to next flight, remove and clean bolts, washers, and nuts; inspect for rust, pits, or cracks using visual and magnetic particle inspection methods; replace affected parts with specified new parts; reassemble with proper lubrication and torque. Submit reports for replaced parts and check nut tightness within specified time-in-service.

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Compliance Time

Prior to next flight

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Affected Aircraft

Beech Models 65, A65, A65-8200, 70, 65-A80, 65-A80-8800, 65-B80, 65-A88, 65-88, 65-90, 65-A90, B90 & C-90, E90, 99, 99A, B99, 100, A100, B100, Military: L23F, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4 and NU-8F with specified serial numbers, excluding those with specific kits or STCs.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

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