# SDR 99ZZZX3911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N300RX](https://openairdocs.org/aircraft/N300RX), registered now
- Make and model: Mtsbsi MU2B35
- Aircraft serial: 572
- Propeller: Hartzl HCB3TN5
- System (JASC): [6114 · Propeller Hub Section](https://openairdocs.org/jasc/6114)
- Part: Lock
- Part number: B83037
- Condition: Worn
- Location: Hub
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX3911

## Discrepancy

PROPELLER HAS NEW STYLE BLADE LOCKS.  COTTERPIN THAT HOLDS SPRING AND LOCK IN ASSEMBLY IS FAILING OR WEARING OUT THE HOLES IN HOUSING.

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