# SDR G6OA005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N605GC
- Make and model: Doug DC-10-30
- Registry model: [Doug DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30) (OpenAirDocs)
- Aircraft serial: 47925
- Engine: Ge CF650C2
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Garloc Seal
- Part number: J221P141
- Condition: Damaged
- Location: Lt Hyd Pump
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/G6OA005

## Discrepancy

GVA - APPROXIMATELY 90 MINUTES AFTER TAKEOFF, CREW REPORTED LOSS OF NR 1 ENGINE OIL QUANTITY AND OIL PRESSURE FLUCTUATION OF 30-40 PSIG.  ENGINE NR 1 WAS SHUT DOWN AND AIRCRAFT DIVERTED TO LYS AND LANDED WITHOUT FURTHER INCIDENTS.  NO EMERGENCY WAS DECLARED.  GROUND MAINTENANCE DURING INSPECTION OF NR 1 ENGINE REVEALED A LEAK AT LT ENGINE DRIVEN HYDRAULIC PUMP.  FURTHER INSPECTION REVEALED A DEFECTIVE GARLOC SEAL AT LT ENGINE DRIVEN HYDRAULIC PUMP ACCESSORY GEARCASE.  THE DAMAGED SEAL WAS REMOVED AND REPLACED WITH A NEW SEAL.  A/C WAS RETURNED TO SERVICE FOR FURTHER FLIGHTS.  (X)

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