# SDR 97ZZZX4326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N4162G](https://openairdocs.org/aircraft/N4162G), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0426
- Engine: Cont GTSIO520L
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Connecting Rod
- Part number: 632043
- Condition: Broken
- Location: Nr 6 Cylinder
- Part time: 2,314 hours
- Stage of operation: NR
- Nature of condition: Y, K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX4326

## Discrepancy

ENGIEN FAILED EXPLOSIVELY WITH NO PRIOR INDICATIONS NOTED IN  MAP, OIL TEMP, OR OIL PRESSURE.  ENGINE DISASSEMBLED.  INDICATIONS SHOW THAT POSSIBLY THE NR 6 CYLINDER CONNECTING ROD MAY HAVE BROKE CAUSING THE CASE TO BREAK AND COME APART.

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