# SDR COEA2016100716921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2016
- Submitted: November 8, 2016
- 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: 26,726 hours, 30,656 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: S5317320020602
- 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/COEA2016100716921

## Discrepancy

HEAVY CHECK COE/MINOR REPAIR. LT INTERCOSTAL FROM FRAMES 12-13 LBL 19 FOUND INBD ATTACHING INTERCOSTAL HAS LEVEL 2 CORROSION. REPLACED INTERCOSTAL WITH OEM PART.

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