# SDR SCNA99112

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N891DB](https://openairdocs.org/aircraft/N891DB), registered now
- Make and model: Boeing 727-2K3
- Registry model: [Boeing 727-2K3](https://openairdocs.org/model/boeing-727-2k3) (OpenAirDocs)
- Aircraft serial: 22770
- Engine: Pwa JT8D17A
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Gearbox
- Condition: Inop
- Location: Nr 2 Engine
- Stage of operation: CR
- Nature of condition: Y
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA99112

## Discrepancy

DURING FLIGHT A LOSS OF ENGINE OIL PRESSURE WAS NOTED ON NUMBER TWO ENGINE.  SECURED NUMBER TWO ENGINE PER COM AND SHUTDOWN.  FOUND GEARBOX CASE STUD MISSING.  REMOVED AND REPLACED ENGINE GEARBOX PER MM 7260.  PERFORMED POWER ASSURANCE CHECK WITH ALL OPERATIONS NORMAL.

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