# SDR C2XA01BT054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2001
- Submitted: April 6, 2001
- Operation: Air carrier
- Aircraft: N25811
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 094
- Aircraft time: 27,825 hours, 31,580 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Channel
- Part number: S5411058620100
- Condition: Cracked
- Location: Rt Cowling
- 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/C2XA01BT054

## Discrepancy

DURING C-CHECK INSPECTION FOUND RIGHTHAND ENGINE HALF MOON COWL (446AT) HAS LEFTHAND CHANNEL CRACKED.  MAINTENANCE REMOVED THE DAMAGED CHANNEL AND NEW CHANNEL FABRICATED IAW ATR42 SRM 54-12-61 FIGURE 101.  INSTALLED IAW ATR42 SRM 51-25-01.

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