# AD 59-12-05: Plastic Control Surface Locks

- Type: Airworthiness directive
- Status: Current
- Products: Revo Colonial C-1 and Colonial C-2
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/81B7E5271BF1B41B86256A4C0044F58B.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/59-12-05

## The airworthiness directive

59-12-05 COLONIAL: Applies to Models C-1 and C-2 Aircraft Serial Numbers 1 Through 132.

Compliance required as indicated.

Due to a recent incident where the plastic lock for the control surface hinge pin cracked, thus making it possible for the hinge pin to work out, the following inspection and replacement of all plastic locks is required. Prior to next flight inspect the control surface hinge pin locks.

  (1) If made of metal, no further action necessary.

  (2) If made of plastic material inspect for cracks. Parts found cracked must be replaced with locks fabricated of 0.025 2024-T3 aluminum alloy material or equivalent before further operation.

  (3) All plastic locks must be replaced within the next 10 hours of operation with metal locks fabricated of 0.025 2024-T3 aluminum alloy material or equivalent.

(Colonial Service Bulletin No. 15 covers this same subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 1A13](https://openairdocs.org/tcds/1A13): Revo Incorporated; names 2 of 7 models: Colonial C-1, Colonial C-2

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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