# SDR CA960723520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Engine: Pwa JT8D7A
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Gearbox Fitting
- Condition: Loose
- Location: Left Engine
- Stage of operation: CR
- Nature of condition: J, K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960723520

## Discrepancy

(CAN) LEFT ENGINE OIL QUANTITY DROPPED FROM 9 LITERS TO 3 LITERS IN APPROXIMATELY 30 MINUTES. MAINTENANCE CHECK FOUND LEFT GEARBOX FITTING TO OIL PRESSURE SWITCH LOOSE AND GEARBOX THREADS STRIPPED. RECTIFICATION INVOLVED INSTALLING A HELICOIL AS PER PRODUCTION PERMIT APPROVED BY POWERPLANT ENGINEERING. GROUND RUN AND LEAK CHECK CARRIED OUT.

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