# SDR DHL727005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N727DH](https://openairdocs.org/aircraft/N727DH), registered now
- Make and model: Boeing 727228
- Aircraft serial: 20204
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Shutoff Valve
- Part number: 39854021
- Condition: Failed
- Location: Lt Pack
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL727005

## Discrepancy

AIRCRAFT COULD NOT PRESSURIZE IN AUTO/MANUAL OR STANDBY.  FLEW AT 10,000 MSL UNPRESSURIZED, REQUIRED FUEL STOP IN MCI. REMOVED AND REPLACED LEFT HAND PACK SHUTOFF VALVE, OPS CHECKED 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.