# SDR COEA0805917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2008
- Submitted: November 19, 2008
- 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
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Stiffener
- Part number: S53174000202
- Condition: Corroded
- Location: Bulkhead
- 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/COEA0805917

## Discrepancy

MAJOR REPAIR AND LEVEL 2 CORROSION.  FWD BULKHEAD EXTRUDED STIFFENER HAS SURFACE CORROSION AROUND ATTACHMENT RIVETS.  CORROSION BLEND-OUT WAS BEYOND ACCEPTABLE LIMITS.  FOUND AT COE MAJOR REPAIR AND LEVEL 2 CORROSION.  FWD BULKHEAD EXTRUDED STIFFENER HAS SURFACE CORROSION AROUND ATTACHMENT RIVETS.  CORROSION BLEND OUT WAS BEYOND ACCEPTABLE LIMITS.  BLENDED OUT DAMAGED AREA ON THE VERTICAL STIFFENER AND LEFT AS IS.  R&R FASTENERS IN AREA OF CORROSION AND INSPECTED HOLES FOR CRACKS.

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