# SDR 97ZZZX812

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N424CA](https://openairdocs.org/aircraft/N424CA), registered now
- Make and model: Casa C212200
- Aircraft serial: 242
- System (JASC): [2620 · Extinguishing System](https://openairdocs.org/jasc/2620)
- Part: Valve
- Part number: 2591C
- Condition: Failed
- Location: Nr1 Eng Fire Ext
- Part time: 9,063 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX812

## Discrepancy

THE PURPOSE OF THE TWO EXTINGUISHING VALVES IS TO LEAD BY MEANS OF ITS COORDINATE ACTION, THE DISCHARGE OF EXTINGUISHING AGENT TOWARDS THE DESIRED ENGINE.  NR 1 ENG VALVE DISK WAS FROZEN ON SHAFT.  NR 2 ENG VALVE DISK WAS PREVENTED FROM SEATING DUE MILD CORROSION.  RECOMMEND:  FREQ BE CHANGED FROM EVERY 6 YEARS TO 1 YEAR FOR FUNCTIONAL TEST OF SYSTEM.

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