# SDR COEA2011111514801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2011
- Submitted: November 16, 2011
- Operation: Air carrier
- Aircraft: [N801FX](https://openairdocs.org/aircraft/N801FX), 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: 338
- Aircraft time: 33,199 hours, 37,208 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: S53871408203206
- 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/COEA2011111514801

## Discrepancy

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION:  AFT PRESSURE BULKHEAD HAS CORROSION IN MULTIPLE AREAS 29.75 INCHES RIGHT OF BL 0 (SKIN DOUBLER PN S53871408206 LENGTH 1", WIDTH 1", DEPTH .055" / SKIN DOUBLER PN S53871408203 LENGTH 1.22", WIDTH .9", DEPTH .019").  SKIN DOUBLER P/N S53871408203 REPAIR PER ATR SRAS.  SKIN DOUBLE P/N S53871408206 REPLACE PER ATR72 SRM.

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