# SDR 99ZZZX3837

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 1999
- 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 CT79B
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Shaft
- Part number: 7757583
- Condition: Nicked
- Location: Prop Aft Roller
- Part time: 13,584 hours
- Component: Hamstd
- 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/99ZZZX3837

## Discrepancy

UPON DISASSEMBLY OF GEARBOX, THE FOLLOWING WAS OBSERVED:  ON AFT SIDE OF BULKHEAD AT THE RT IDLER GEAR OPENING, THERE IS A 360 DEGREE GROOVE, .078 INCH DEEP BY .200 INCH WIDE, (PN 775775-31, SET NR 242).  RT IDLER FORWARD TAB WASHER (PN 789578-1) BROKEN.  BEARINGS REJECTED FOR NICKS/PITS TO ROLLER AND RACE SURFACES.  HSS SO NR 325699 SO.  CUST:  KENDELL.  REF:  OPER CNTRL NR 99ZZZX3833 THROUGH 99ZZZX3839.

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