# SDR 97ZZZX4316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N40EA](https://openairdocs.org/aircraft/N40EA), registered now
- Make and model: Bell 222
- Registry model: [Bell 222](https://openairdocs.org/model/bell-222) (OpenAirDocs)
- Aircraft serial: 47061
- System (JASC): [2823 · Fuel Selector/Shut-Off Valve](https://openairdocs.org/jasc/2823)
- Part: Switch
- Part number: 10648BH11
- Condition: Failed
- Location: Fuel Sov
- Part time: 1,586 hours
- Stage of operation: CR
- Nature of condition: Y
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX4316

## Discrepancy

FUEL VALVE SWITCH VIBRATED LOOSE DURING FLIGHT CAUSING FUEL VALVE TO CLOSE AND ENGINE TO SHUT DOWN DUE TO FUEL STARVATION.  SUSPECTED CAUSE OF FAILURE MECHANICAL LOCKING (INTERNAL).  SUBMITTER RECOMMENDS REPLACEMENT OF SWITCH FOLLOWING 7,500 CYCLES OF SWITCH OPERATION.  CYCLES BASED ON 2 ENGINE STARTS PER HOUR, 4 SWITCH OPERATIONS PLUS 1,500 OPERATIONS FOR MAINTENANCE WORK AND GROUND RUNS, ETC.

---
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.