# SDR RAG2003F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2003
- Submitted: November 5, 2003
- Operation: Air carrier
- Engine: Lyc R68013
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Screw
- Part number: 559E
- Condition: Broken
- Location: Master Rod
- 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/RAG2003F00000

## Discrepancy

SB NR 126, 41.146 HAD NOT BEEN COMPLIED WITH.  KNUCKLE PINS BACKED OUT OF THE MASTER ROD, HIT THE CRANKSHAFT AND CAUSED A CATASTROPHIC ENGINE FAILURE.  CRANKSHAFT SEIZED AND BROKE JUST AFT OF THE PROPELLER.  PROPELLER DEPARTED THE AIRCRAFT AND PILOT WAS FORCED TO MAKE AN EMERGENCY LANDING IN A PLOWED FIELD.  (SW15200402816)

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