# SDR CA970722008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Boeing 727171C
- Engine: Pwa JT8D7A
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Valve
- Part number: 32167431
- Condition: Open
- Location: Lt Pack
- Component: Allied Signa, 32167431
- Stage of operation: TX
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970722008

## Discrepancy

(CAN) DURING OPERATION OF APU ON GROUND THE LH PACK SHOWED TEMPERATURE WITH THE PACK SHUT-OFF VALVE CLOSED INDICATING THAT THE VALVE BUTTERFLY WAS NOT COMPLETELY CLOSED. VALVE REPLACED

---
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.