# SDR JYDR20160422098

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2016
- Submitted: April 22, 2016
- Operation: General aviation
- Filed by: [Erickson Incorporated, repair station JYDR439F](https://openairdocs.org/faa-repair-station/JYDR439F/erickson-incorporated.md) (OpenAirDocs)
- Aircraft: N178A
- Make and model: Skrsky S64F
- Aircraft serial: 64097
- Aircraft time: 16,926 hours, 11,071 cycles
- Engine: Pwa JFTD12A5A
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bearing Race
- Part number: 6595211522102
- Condition: Cracked
- Location: Main Rotor
- Part time: 1,208 hours
- Component: Main Rotor Head, Skrsky, S64F
- Component part number: 6510011300080
- 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/JYDR20160422098

## Discrepancy

FOUND HORIZONTAL HINGE PIN INNER BEARING RACE CRACKED DURING REPAIR. MRH HAD 292.3 HRS.  REMAINING TO O/H.  MFG HAS BEEN INFORMED.

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