# SDR 2006FA0000645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2005
- Submitted: July 6, 2006
- Operation: General aviation
- Aircraft: [N918UP](https://openairdocs.org/aircraft/N918UP), registered now
- Make and model: Boeing 727-30C
- Registry model: [Boeing 727-30C](https://openairdocs.org/model/boeing-727-30c) (OpenAirDocs)
- Aircraft serial: 19008
- Engine: Pwa JT8D5
- System (JASC): [2620 · Extinguishing System](https://openairdocs.org/jasc/2620)
- Part: Control Valve
- Part number: 511000
- Part serial: 2615
- Condition: Failed
- Location: Fire Extinguish
- Component part number: 511000
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006FA0000645

## Discrepancy

NR 2 ENGINE FIRE EXTINGUISHING SELECTOR CONTROL VALVE FAILED TO OPEN DURING ROUTINE TESTING IAW UPS ROUTINE TASK CARD TC 2-221-12.  THE VALVE SOLENOID HOUSING WAS  NOTED AS BEING CORRODED.  (K)

---
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.