# SDR 9805819975

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N9339
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47382
- Engine: Pwa JT8D7
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Left
- Stage of operation: CL
- Nature of condition: R
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9805819975

## Discrepancy

AFTER LIFTOFF, THE LEFT ENGINE N1 INDICATION DECREASED WITH ASSOCIATED VIBRATION.  CREW SHUT DOWN THE LEFT ENGINE, RETURNED TO DTW, AND LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE REPLACED THE LEFT ENGINE.

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