# SDR E27R7302

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2001
- Submitted: February 15, 2001
- Operation: General aviation
- Aircraft: [N48AZ](https://openairdocs.org/aircraft/N48AZ), registered now
- Make and model: Gulstm 690A
- Aircraft serial: 11307
- Engine: Garrtt TPE33110
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Gear
- Part number: 3103435
- Condition: Failed
- Location: Bull Gear
- Part time: 6,991 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/E27R7302

## Discrepancy

BULL GEAR FOUND TO HAVE SHED APPROX 6 IN OF TEETH IN 2 SEGMENTS CAUSING EXTENSIVE DAMAGE TO GEAR BOX COMPONENTS AND CASE. WHICH RESULTED IN AN IN FLIGHT SHUTDOWN.

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