# SDR COEA2010102958803

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2010
- Submitted: November 1, 2010
- Operation: Air carrier
- Aircraft: [N803FX](https://openairdocs.org/aircraft/N803FX), 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: 362
- Aircraft time: 33,106 hours, 36,974 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- Part number: S53671217372
- 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/COEA2010102958803

## Discrepancy

COE HEAVY CHECK / LEVEL 2 CORROSION:  LT AFT PAX/CREW DOOR THRESHOLD PLATE HAS AREAS OF CORROSION ON TOP & BOTTOM SURFACES.  REMOVED CORROSION IAW ATR72 SRM 51-21-42, REVISION 78 AND ATR72 SRM 51-21-58 REVISION 78.  FOUND TO BE OUT OF LIMITS.  REPLACED THRESHOLD WITH OEM REPLACEMENT.

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