# SDR 2001UALA01167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2001
- Submitted: July 10, 2001
- Operation: Air carrier
- Aircraft: [N307UA](https://openairdocs.org/aircraft/N307UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23668
- Aircraft time: 44,237 hours, 25,302 cycles
- System (JASC): [2163 · Cabin Temperature Sensor](https://openairdocs.org/jasc/2163)
- Part: Sensor
- Part number: 123CH1A
- Condition: Faulty
- Location: E/E Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA01167

## Discrepancy

UNSCHEDULED LANDING DUE TO EQUIPMENT COOLING EXHAUST WARNING.  *S/D*  M100 AVIONICS COOLING SENSOR FAILED.  REPLACED THE AVIONICS COOLING SENSOR.

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