# SDR LR7A9806

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N289F
- Make and model: Lkheed 188C
- Aircraft serial: 1110
- Engine: Allsn 501D13
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Gearbox
- Part number: 6825694
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/LR7A9806

## Discrepancy

NR 2 ENGINE SHUTDOWN AT 1545Z DUE TO LOW ENGINE AND REDUCTION GEARBOX OIL PRESSURE.  FOUND TACH DRIVE GEARS AND OIL PUMP DRIVE GEARS WOULD NOT TURN WHEN PROP WAS TURNED.

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