# SDR COEA2014080913921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2014
- Submitted: August 26, 2014
- 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: 25,756 hours, 29,763 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- 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/COEA2014080913921

## Discrepancy

WORK ORDER 134226 NR 100058.  HEAVY CHECK COE, MAJOR REPAIR.  SERVICE DOOR THRESHOLD OUTER CHORD HAS LEVEL 2 CORROSION & SCRATCHES ON INBD SURFACE OF LOWER LEG BETWEEN FRAMES 37 - 39.  MINIMUM REMAINING THICKNESS WAS FOUND TO BE .074 INCHES.  REPAIR IAW DTS 4894 14 8655 DATED 8/22/14.

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