AD 47-50-12

final rule
Data completeness: 60%

Airworthiness Directives; Stinson Model 108 Series

AD Number
47-50-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available

Applicability

TypeManufacturerModelDetails
aircraft Univair Aircraft Corporation 108 Airworthiness Directives; Stinson Model 108 Series
aircraft Univair Aircraft Corporation 108-1 Airworthiness Directives; Stinson Model 108 Series

Unsafe Condition

Fatigue cracks in the stabilizer leading edge attachment to the fuselage

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

Required Actions

Inspect for fatigue cracks after each 100 hours of operation. Add reinforcements if cracks are present. Discontinue inspection after reinforcement installation.

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

Compliance Time

every 100 hours of operation

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

Affected Aircraft

Univair Aircraft Corporation Model 108 Series, serial numbers 1 through 3500

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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