# SDR UPS04542587

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2004
- Submitted: June 18, 2004
- Operation: Air carrier
- Aircraft: [N419UP](https://openairdocs.org/aircraft/N419UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23906
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Seized
- Location: Right
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: G, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04542587

## Discrepancy

AT 1150Z FL390, SMOKE WAS DETECTED IN THE COCKPIT.  APPEARED TO BE LOW IN COCKPIT.  DEFERRED RIGHT PACK PER MEL 21-51-1.  FOUND RIGHT PACK SEIZED UP.  REMOVED AND REPLACED RT ACM IAW M/M 21-51-03-4, RT PACK OPS CHECKS NORMAL.  THIS CLEARS M 282798.

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