AD 59-17-04

final rule
Data completeness: 60%

Airworthiness Directives; Colonial Models C-1 and C-2 Aircraft

AD Number
59-17-04
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 Models C-1 and C-2 Aircraft
aircraft Revo, Incorporated Colonial C-2 Airworthiness Directives; Colonial Models C-1 and C-2 Aircraft

Unsafe Condition

Failures in service of the two AN 4 bolts attaching the wing rear spar to the hull on each side at hull Station 138.

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

Required Actions

Remove, inspect, and replace, if damaged, the two AN 4 bolts. Remove only one bolt per side at a time and replace before removing the other bolt. Ensure torque does not exceed 70 inch-pounds.

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

Compliance Time

within the next 10 hours but not later than October 15, 1959, and at each 100 hours thereafter

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

Affected Aircraft

Revo, Incorporated Colonial C-1 and Colonial C-2 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

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