# SDR COEA2011101205919

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2011
- Submitted: November 17, 2011
- Operation: Air carrier
- Aircraft: [N919FX](https://openairdocs.org/aircraft/N919FX), 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: 266
- Aircraft time: 26,690 hours, 34,280 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Structure
- Part number: S53671318272
- 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/COEA2011101205919

## Discrepancy

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION:  RT AFT DOOR THRESHOLD OUTBOARD CHORD HAS CORROSION AROUND THE FASTENERS ON UNDERSIDE.  ALSO FOUND LEVEL 2 CORROSION ON WEBS P/N S53671318212 (LENGTH 4", WIDTH 4", DEPTH .028") AT STRINGER 14R, FRAME 37 - 39 AND P/N S5367131318210 (LENGTH 4", WIDTH 4", DEPTH .028") AT STRINGER 14 R, FRAME 37-39 RT.  FABRICATED AND REPLACED WEBS P/N S53671318212 AND P/N S5367131318210.  REMOVED AND REPLACED CHORD WITH OEM PART.

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