# SDR COEA2012060602917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2012
- Submitted: July 2, 2012
- Operation: Air carrier
- Aircraft: [N917FX](https://openairdocs.org/aircraft/N917FX), 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: 354
- Aircraft time: 23,866 hours, 30,949 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Stiffener
- Part number: S55171100204
- Condition: Corroded
- Location: Rt Horiz Stab
- 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/COEA2012060602917

## Discrepancy

HEAVY CHECK / LEVEL 2 CORROSION:  RIGHT HORIZONTAL STAB REAR SPAR STIFFENER ON THE OUTBOARD SIDE OF THE INBOARD ELEVATOR ATTACH FITTING IS CORRODED (LENGTH 3", WIDTH .5", DEPTH .004").  REMOVED AND REPLACED STIFFENER WITH OEM PART PER ATR42 SRM.

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