# SDR 9601512771

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N742RW
- Make and model: Boeing 727-2M7
- Registry model: [Boeing 727-2M7](https://openairdocs.org/model/boeing-727-2m7) (OpenAirDocs)
- Aircraft serial: 21952
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Mix Valve
- Condition: Failed
- Location: Rt Pack
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9601512771

## Discrepancy

DURING FLIGHT, LOSE RIGHT AIR CONDITIONING PACK WITH LOSS OF PRESSURIZATION.  AIRCRAFT DROPPED TO 10,000 FEET AND RETURNED TO MSP.  AIRCRAFT LANDED WITHOUT INCIDENT.  REPLACED THE RIGHT HAND PACK MIX VALVE AND OPERATIONAL CHECK OK.

---
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.