# SDR DL72S970581

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N540DA](https://openairdocs.org/aircraft/N540DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 22386
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Temp Controller
- Condition: Shorted
- Location: Lt Pack
- Component: 5483803
- Stage of operation: TX
- Nature of condition: B
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72S970581

## Discrepancy

ON TAXI OUT, LEFT MIX VALVE INDICATOR WAS SPORADIC IN AUTO, INOP IN MANUAL.  LOUD SPARK AND SMELL FROM AIR CONDITION F/E PANEL.  FOUND LT PACK TEMP CONTROLLER AT FAULT.  REPLACED       CONTROLLER, OP CKS OK.

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