# SDR CA960614006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Engine: Cont GTSIO520L
- Propeller: Mcauly 3FF32C501
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve
- Part number: 637781
- Condition: Broken  Stem
- Location: Nr 3 Cyl Exh
- Component: Cont, 6423430
- Stage of operation: NR
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960614006

## Discrepancy

(CAN)#3 CYLINDER EXHAUST VALVE STEM BROKEN JUST BELOW THE HEAD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.