# SDR UIEA2019071504751

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2019
- Submitted: July 17, 2019
- Operation: Air carrier
- Aircraft: [N645GT](https://openairdocs.org/aircraft/N645GT), registered now
- Make and model: Boeing 767324
- Aircraft serial: 27393
- Aircraft time: 96,890 hours, 18,593 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Sensor
- Part number: MS280341
- Condition: Failed
- Location: Ac Bay
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019071504751

## Discrepancy

LEFT AND RIGHT PRIMARY HEAT EXCHANGER IN SENSORS HAVE NO VALUES ON ECS/MSG EICAS PAGE. (<P>REMOVED AND REPLACED LEFT AND RIGHT PRIM HX IN SENSORS PER AMM 21-51-06. SENSORS VALUES ARE RIGHT 127, LEFT 130.  </P><P><BR /></P>)

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