AD 70-22-01

final rule
Data completeness: 70%

Airworthiness Directives; BEECH Model 65-90 Airplanes

AD Number
70-22-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Textron Aviation Inc. 65-90 Airworthiness Directives; BEECH Model 65-90 Airplanes

Unsafe Condition

Failure of the ventilating air blower for the fuel burning heater during ground operations may result in overheat damage and fire hazard.

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

Required Actions

Install Beech Differential Pressure Switch Kit No. 90-3053S in accordance with Beech Service Instruction No. 0372-412, or a later FAA approved revision or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

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

Compliance Time

within the next 50 hours' time in service 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 Model 65-90 airplanes with serial numbers LJ-1 thru LJ-75

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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