# SDR GTIA040780

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2004
- Submitted: October 22, 2004
- Operation: Air carrier
- Aircraft: [N810NK](https://openairdocs.org/aircraft/N810NK), registered now
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48015
- Engine: Pwa JT8D217A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Left
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA040780

## Discrepancy

FLT 197 - LGA - LEFT ENGINE UNUSUAL NOISE AND VIBRATION ON CRUISE POWER CHECK (L) HYD PUMP OFF PACK (L) OFF AND NOT CHANGES.  REMOVED AND REPLACED NR 1 ENGINE.  (M)

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