# SDR OZCA20141211007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2014
- Submitted: December 16, 2014
- Operation: Air carrier
- Aircraft: [N691BC](https://openairdocs.org/aircraft/N691BC), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A041
- Aircraft time: 46,402 hours, 47,413 cycles
- Engine: Ge CT75A2
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Gearbox
- Part number: 5074T51G10
- Part serial: UDAGO0221
- Condition: Failed
- Location: Rt Engine
- Part time: 24,474 hours, 28,495 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/OZCA20141211007

## Discrepancy

ON APPROACH, RT ENG SURGED.  RIGHT ENG OIL PRESS INDICATOR AT RED LINE.  TROUBLE SHOT & FOUND RT ENG PROPELLER GEAR BOX CASE CRACKED DUE TO INTERNAL FAILURE.  R & R PROPELLER GEAR BOX & POWER UNIT ASSEMBLY IAW MM.  PERFORMED GND RUNS & LEAK CHECKS.

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