# SDR COEA201808301921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2018
- Submitted: August 30, 2018
- Operation: Air carrier
- Aircraft: [N921FX](https://openairdocs.org/aircraft/N921FX), 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: 319
- Aircraft time: 27,284 hours, 31,417 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Part number: S53174000200
- Condition: Corroded
- Location: Zone 100
- 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/COEA201808301921

## Discrepancy

WO 186959 NR 100020 HEAVY CHECK COE/MAJOR REPAIR: FWD PRESSURE BULKHEAD HAS LEVEL 2 CORROSION AT LOWER L/H OUTBOARD BONDING POINT. CORRECTIVE ACTION: REPAIRED PER SRAS CETS-4463/16...10711 ISSUE B, DATED 8/9/2018.

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