# SDR 97UAL900287

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N7466U
- Make and model: Boeing 727222
- Aircraft serial: 21920
- Engine: Pwa JT8D15
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Pack
- Condition: Smoking
- Location: Left
- Stage of operation: TX
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900287

## Discrepancy

AIRCRAFT RETURNED TO GATE IN DEN WITH SMOKE IN CABIN FROM A OVERHEATED PACK.  NR 3 BUS TIE TRIPPED (UNDEREXCITATION), ATTEMPTED RESET SUCCESSFUL.  LT PACK OVERHEAT WITH GOOD INDICATION OF POWER DRAW WHEN PACK TURNED ON.  *S/D*  RESET LEFT PACK SWITCH, RAN ENGINES AND CYCLED PACK SWITCHES AND ALL INDICATIONS NORMAL.

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