# SDR CA080221006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2007
- Submitted: November 3, 2008
- Operation: General aviation
- Make and model: Hughes 369A
- Registry model: [Hughes 369A](https://openairdocs.org/model/hughes-369a) (OpenAirDocs)
- Aircraft time: 15,664 hours
- Engine: Allsn 250C20B
- System (JASC): [6330 · Main Rotor Transmission Mount](https://openairdocs.org/jasc/6330)
- Part: Bolt
- Part number: 369H5105
- Condition: Cracked
- Location: M/R Transmission
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA080221006

## Discrepancy

(CAN) MAIN ROTOR TRANSMISSION RECEIVED FOR OVERHAUL AFTER NDT INSPECTION 31 OF THE 32 RING GEAR BOLTS P/N 369H5105 WERE FOUND CRACKED UNDER THE BOLT HEADS. (TC NR 20080221006)

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