# SDR 2001UALA00679

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2001
- Submitted: June 7, 2001
- Operation: Air carrier
- Aircraft: N312UA
- Make and model: Boeing 737322
- Aircraft serial: 23673
- Aircraft time: 40,768 hours, 21,393 cycles
- Engine: Ge CFM56*
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Sensor
- Part number: 123CH1A
- Condition: Faulty
- Location: Equip Cooling
- Stage of operation: NR
- 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/2001UALA00679

## Discrepancy

EQUIPMENT COOLING EXHAUST FAN NORMAL AND ALT WARNING LIGHTS ILLUMINATED.  *S/D*  REPLACED THE M100 LOW FLOW SENSOR.

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