AD 81-09-01

final rule
Data completeness: 70%

Airworthiness Directives; Beech Models C90, E90 and H90 Airplanes

AD Number
81-09-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. C90 Airworthiness Directives; Beech Models C90, E90 and H90 Airplanes
aircraft Textron Aviation Inc. E90 Airworthiness Directives; Beech Models C90, E90 and H90 Airplanes
aircraft Textron Aviation Inc. H90 Airworthiness Directives; Beech Models C90, E90 and H90 Airplanes

Unsafe Condition

Malfunction of the landing gear retraction system caused by improper alignment of bearings in the landing gear retract system.

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

Required Actions

Within the next 100 landings after the effective date, use specified Beechcraft Service Instructions to determine bearing alignment, correct improper alignment with shims, inspect torque shaft for cracks if misalignment and landing thresholds are exceeded, replace cracked shafts, install new bolts and washer assemblies, and restore airworthiness.

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

Compliance Time

within the next 100 landings after the effective date of this AD

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

Affected Aircraft

Beech Models C90 (Serial Numbers LJ-642 through LJ-935, LJ-937, and LJ-939 through LJ-941), E90 (Serial Numbers LW-118 through LW-344), and H90 (Military T-44A) (Serial Numbers LL-1 through LL-40 and LL-42 through LL-61) airplanes.

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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