# SDR CA130922001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2013
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bell 212
- Registry model: [Bell 212](https://openairdocs.org/model/bell-212) (OpenAirDocs)
- Aircraft time: 16,484 hours
- Engine: Pwa PT6T3B
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Washer
- Part number: 204030913005
- Condition: Failed
- Location: Main Rotor
- 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/CA130922001

## Discrepancy

(CAN) TRANSMISSION MOUNT UPPER WASHER FOUND CRACKED DURING DAILY INSPECTION.  2 CRACKS FOUND OF LESS THAN .2500" LENGTH STARTING FROM THE OUTSIDE DIAMETER OF THE WASHER.  TRANSMISSION SUPPORT CASE SURFACE INSPECTED FOR DEFECTS, NONE FOUND, AND REPLACEMENT WASHER INSTALLED.

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