# SDR 2006F00031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2006
- Submitted: July 18, 2006
- Operation: Air carrier
- Aircraft: [N37676](https://openairdocs.org/aircraft/N37676), registered now
- Make and model: Cessna 421B
- Registry model: [Cessna 421B](https://openairdocs.org/model/cessna-421b) (OpenAirDocs)
- Aircraft serial: 421B0584
- Engine: Cont GTSIO520H
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Engine
- Part serial: 218103R
- Condition: Seized
- Location: Left
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006F00031

## Discrepancy

PILOT REPORTED VIBRATION FROM LT ENGINE SHORTLY AFTER TAKEOFF.  SECURED ENGINE, RETURNED TO AIRPORT.  INITIAL INVESTIGATION FOUND ENGINE SEIZED/LOCKED UP.  SUSPECT BROKEN CRANKSHAFT OR CONNECTING ROD.  ENGINE RETURNED TO OVERHAUL FACILITY.

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