# SDR SI3R97008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Hamilton Sundstrand World Wide Repair, repair station SI3R842L](https://openairdocs.org/faa-repair-station/SI3R842L/hamilton-sundstrand-world-wide-repair.md) (OpenAirDocs)
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Engine: Ge CT79C
- System (JASC): [7210 · Turbine Engine Reduction Gear](https://openairdocs.org/jasc/7210)
- Part: Bearing
- Part number: 7757612
- Condition: Cracked
- Location: Gc 49 Gearcase
- Part time: 8,809 hours
- Component: 6044T33TP11
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SI3R97008

## Discrepancy

DISASSEMBLY OF CASE REVEALED EXTENSIVE INTERNAL DAMAGE.  CONDITIONS ARE NOT REPAIRABLE; THUS, THIS GEAR CASE IS CONSIDERED SCRAP.  INITIAL EVALUATION OF HARDWARE FINDS POSSIBLE INITIAL BREAKDOWN DUE TO RIGHT IDLER AFT BEARING FAILURE, PN 775761-2.

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