# SDR SCNA99006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N290SC](https://openairdocs.org/aircraft/N290SC), registered now
- Make and model: Boeing 727-2J4
- Registry model: [Boeing 727-2J4](https://openairdocs.org/model/boeing-727-2j4) (OpenAirDocs)
- Aircraft serial: 20764
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 39854021
- Condition: Failed
- Location: Rt Pack
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA99006

## Discrepancy

DURING FLIGHT, THE RIGHT PACK WAS FOUND NOT TO PRODUCE ENOUGH AIR TO MAINTAIN FLIGHT AT HIGH ALTITUDE.  DIVERTED AIRCRAFT TO MCO.  REMOVED AND REPLACED THE RIGHT PACK VALVE PER MM 215571, PACK OPERATIONALLY CHECKS GOOD.

---
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.