# SDR COEA2011021020805

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2011
- Submitted: February 11, 2011
- Operation: Air carrier
- Aircraft: [N805FX](https://openairdocs.org/aircraft/N805FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 372
- Aircraft time: 32,460 hours, 36,176 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: S53871408204
- Condition: Corroded
- Location: Fuselage
- 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/COEA2011021020805

## Discrepancy

HEAVY CK / COE / LEVEL 2 CORROSION:  LOWER AFT BULKHEAD HAS AREAS OF LEVEL 2 CORROSION.  (LOWER 6 O'CLOCK AREA DEEPEST CORROSION AREA NOMINAL .040 INCH).  REMOVED SKIN DOUBLER AND REPLACED WITH OEM DOUBLER.

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