# SDR C2XA99IA342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N19446
- Make and model: Aerosp ATR42-500
- Registry model: [Aerosp ATR42-500](https://openairdocs.org/model/aerospatiale-alenia-atr42-500) (OpenAirDocs)
- Aircraft serial: 504
- Engine: Pwa PW127
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 1
- Stage of operation: UK
- Nature of condition: O
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA99IA342

## Discrepancy

IAH - FLT 3366 - DURING FLIGHT, THE CREW REPORTED A THUMPING NOISE AND, ENGINE SURGES COMING FROM THE NR 1 ENGINE.  THE CREW PERFORMED A PRECAUTIONARY ENGINE SHUTDOWN AND THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT.  MAINTENANCE INSPECTED THE NR 1 ENGINE AND FOUND AN UNACCEPATABLE AMOUNT OF DEBRIS ON THE ENIGNE CHIP DETECTOR.  MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.  (M)

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