# SDR CA051121003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2005
- Submitted: June 6, 2006
- Operation: General aviation
- Make and model: Skrsky S76C
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Bearing Cage
- Part number: SB3615102
- Condition: Damaged
- Location: M/R Gearbox
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA051121003

## Discrepancy

BEARING CAGE SHAKE TEST EXCEEDED THE ALLOWABLE TOLERANCE OF 0.025" THE AVERAGE RECORDED ON THIS BEARING WAS 0.051".  THE BEARING WAS RETURNED TO THE OEM AND A REPLACEMENT RECEIVED.  NO CAUSE AND ANALYSIS HAS BEEN PROVIDED.  A FOLLOW UP E MAIL WAS SENT 10-NOV-05.

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