# SDR UPS06547498

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2006
- Submitted: August 4, 2006
- Operation: Air carrier
- Aircraft: [N435UP](https://openairdocs.org/aircraft/N435UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25466
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Smoke
- Location: Left
- Stage of operation: CR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS06547498

## Discrepancy

INSPECTION TYPE:N/A SMOKE IN COCKPIT POSSIBLY FROM L PACK.  PACK RAN COLD THEN EXTREMELY HOT, SMOKE POURED OUT OF VENTS.  DEFERRED LEFT PACK IAW MEL 21-51-1.  PLACARD INSTALLED.  PACK TEMP CONTROLLER VERIFY BITE WILL NOT DISPLAY GREEN "GO" LIGHT OR RESET. R/R'D PTC PER 21-51-00, OPS CK OK. R/R'D AC CTL PANEL ASSY OPS CK OK. THIS CLEARS M330385.

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