# SDR SIMA201112602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2011
- Submitted: May 6, 2011
- Operation: Air carrier
- Aircraft: [N737MW](https://openairdocs.org/aircraft/N737MW), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145396
- Aircraft time: 22,297 hours, 19,716 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Fitting
- Part number: 1456938260714569
- Condition: Worn
- Location: Aileron
- Component: Aileron, Emb
- Component part number: 14569000423
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201112602

## Discrepancy

DURING MAINTENANCE BASE INSPECTION FOUND THAT THE LEFT AILERON ACTUATOR FITTING HAS MIGRATING HAT BUSHINGS AND THE DAMPNER FITTING BORE IS OUT OF LIMITS.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE AILERON DUE TO SPAR DAMAGE DURING REMOVAL AND REPLACEMENT OF FITTING.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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