# SDR COEA0727821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2007
- Submitted: October 24, 2007
- Operation: Air carrier
- Aircraft: [N821FX](https://openairdocs.org/aircraft/N821FX), registered now
- Make and model: Aerosp ATR 72 202
- Registry model: [Aerosp ATR 72 202](https://openairdocs.org/model/aerospatiale-atr-atr-72-202) (OpenAirDocs)
- Aircraft serial: 253
- Engine: Pwa PW127
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Part number: S57112081200
- Condition: Corroded
- Location: Rt Wing
- 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/COEA0727821

## Discrepancy

FOUND DURING HEAVY CHECK.  MAJOR REPAIR, LEVEL 2 CORROSION.  CORROSION ON RT WING AFT SPAR UPPER CAP SLAT STRIP BETWEEEN RIBS 4 AND 7.  REMOVED CORROSION AND DAMAGE BLENDED IAW DO/TS-4073/07-9281 REPAIR INSTRUCTIONS.  WO NR 72241/ NR602018.  (K)

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