# SDR UPS07550126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2007
- Submitted: July 9, 2007
- Operation: Air carrier
- Aircraft: [N445UP](https://openairdocs.org/aircraft/N445UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27390
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Inoperative
- Location: Right
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07550126

## Discrepancy

INSPECTION TYPE:N/A DIVERSION - RIGHT PACK WOULD NOT HOLD CABIN PRESSURE.  SMOKE IN THE COCKPIT.  EMERGENCY WAS DECLARED.  FLIGHT LANDED IN PIT WITHOUT FURTHER INCIDENT, CREW EVACUATED THROUGH COCKPIT WINDOWS.  *S/D*  REMOVED AND REPLACED OUTFLOW VALVE ACTUATOR.  SYSTEM OPS NORMAL PER MM 21-31-04-4.  PRESSURE CHECKED A/C WITH BOTH ENGINES AND APU.  NO FAULTS WITH PACK SYSTEM.  OPS NORMAL.  A/C OK CHECK WAS GOOD.  ALL SYSTEMS TIGHT.

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