AD 47-30-03

final rule
Data completeness: 60%

Airworthiness Directives; CESSNA Model UC-78 and AT-17 Series Airplanes

AD Number
47-30-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Cessna Aircraft Company T-50 Airworthiness Directives; CESSNA Model UC-78 and AT-17 Series Airplanes

Unsafe Condition

Incorrect identification of 5,700-pound gross weight wings (UC-78 and AT-17 series) could result in certification above 5,100 pounds gross weight, leading to structural failure due to insufficient reinforcement.

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

Required Actions

Inspect wings of 5,400- and 5,700-pound gross weight airplanes to verify proper identification as 5,700-pound wings by checking laminated birch plywood reinforcement on rear spar, plywood flanges on wing ribs, and diagonal dimensions in nose ribs. Wings not identifiable must not be certified above 5,100 pounds gross weight.

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

Compliance Time

prior to October 15, 1947

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

Affected Aircraft

Cessna Model UC-78 and AT-17 Series 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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