# SDR CA160115008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2016
- Submitted: April 22, 2016
- Operation: General aviation
- Make and model: Skrsky S92A
- Aircraft time: 493 hours
- Engine: Ge CT78A
- System (JASC): [6330 · Main Rotor Transmission Mount](https://openairdocs.org/jasc/6330)
- Part: Sleeve
- Part number: 9235135113102
- Condition: Broken
- Location: Xmsn Bushing
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA160115008

## Discrepancy

(CAN) DURING REMOVAL OF MAIN ROTOR GEARBOX, THE FORWARD AND REAR MGB MOUNT BOLTS AND SLEEVE BUSHINGS WERE REMOVED, 3 OF THE 4 SLEEVE BUSHINGS WERE FOUND TO BE COMPLETELY BROKEN, WITH THE 4TH CRACKED APPROXIMATELY 75 PERCENT OF THE CIRCUMFERENCE OF THE BUSHING IN THE SAME LOCATION AS THE OTHER BROKEN BUSHINGS.

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