# SDR 95ZZZX637

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Certified Engines Unlimited Inc, repair station KG4R309M](https://openairdocs.org/faa-repair-station/KG4R309M/certified-engines-unlimited-inc.md) (OpenAirDocs)
- Aircraft: N2FOR
- Engine: Lyc O360A3A
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Part number: 74970
- Condition: Broke
- Location: Nr 3 Journal
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX637

## Discrepancy

WHILE IN-FLIGHT, CATASTROPHIC FAILURE -- CRANKSHAFT BROKE CLEAN IN HALF AT NR 3 CONN ROD JOURNAL.  SUSPECT HEAT/FATIGUE CRACK, OR IMPROPER UNDERSIZING PROCESS.

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