# SDR 2004UALA00118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2004
- Submitted: February 17, 2004
- Operation: Air carrier
- Aircraft: [N643UA](https://openairdocs.org/aircraft/N643UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25093
- Aircraft time: 55,910 hours, 8,997 cycles
- Engine: Pwa PW4060
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Jackscrew
- Condition: Failed
- Location: Lt Pack
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00118

## Discrepancy

FLIGHT DIVERTED DUE TO LEFT PACK TEMPERATURE CONTROL MESSAGE AND LIGHT.  THE LEFT PACK INLET ACTUATOR WAS FOUND MECHANICALLY FROZEN. THE JACK SCREW ASSEMBLY FAILED. THE ACTUATOR WAS REPLACED AND NO FURTHER PROBLEMS WERE REPORTED.

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