# SDR UPS404508

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N673UP](https://openairdocs.org/aircraft/N673UP), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20325
- Engine: Pwa JT9D7A
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Cover Plate
- Condition: Leaked
- Location: Nr 3 Engine
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS404508

## Discrepancy

PILOT REPORTED TWO HOURS INTO FLIGHT, NR 3 ENGINE OIL QUANTITY INDICATED 3.5 GALLON OIL LOSS.  ENGINE WAS SHUTDOWN WITH 1 GALLON REMAINING.  OIL TEMPERATURE AND PRESSURE NORMAL.  MAINTENANCE FOUND OIL LEAK AT OIL PUMP COVER PLATE LOCATED ON ENGINE GEARBOX NR 3 ENGINE.  REMOVED AND REPLACED PACKING ON COVER PLATES, BAGGED ALL OIL DRAIN LINES, RAN ENGINE.  OPS AND LEAK CHECK GOOD.

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