AD 57-13-01

final rule
Data completeness: 60%

Airworthiness Directives; Colonial Model C-1 Aircraft

AD Number
57-13-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Revo, Incorporated Colonial C-1 Airworthiness Directives; Colonial Model C-1 Aircraft

Unsafe Condition

Cracks in the weld areas of engine pylon side strut attaching fittings (P/N 3208-10) may originate across the edge, leading to structural failure.

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

Required Actions

Inspect with 10-power glass the engine pylon side strut attaching fittings (P/N 3208-10) for cracks in the weld areas. Salvage fittings with edge cracks by grinding to a maximum depth of 1/16 inch if possible; replace fittings with cracks outside edge areas or exceeding salvage limits.

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

Compliance Time

within next 10 hours of operation or July 15, 1957, whichever occurs first, and every 100 hours' operation thereafter

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

Affected Aircraft

Revo, Incorporated Colonial C-1 aircraft, all serial numbers

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Revo, Incorporated Colonial C-1

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