# SDR MAC040802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2008
- Submitted: April 15, 2008
- Operation: Air carrier
- Aircraft: [N909FX](https://openairdocs.org/aircraft/N909FX), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 275
- Aircraft time: 23,531 hours, 27,455 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Fitting
- Part number: S5761006000200
- Condition: Corroded
- Location: Rt Aileron
- 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/MAC040802

## Discrepancy

DURING INSPECTION LEVEL 2 EXFOLIATION CORROSION WAS FOUND ALONG EDGE OF BEARING OUTER FITTING I/B ON THE RT AILERON OUTBOARD HINGE/SHACKLE ASSEMBLY.  THE BEARING OUTER HINGE WAS REPLACED.  INSPECTION REASON:  MRB 576108-01
REFERENCE ATR 42 SRM 57-61-10 P115-116 FIG 1.

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