# SDR UIEA2019081965204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2019
- Submitted: August 19, 2019
- Operation: Air carrier
- Aircraft: [N645GT](https://openairdocs.org/aircraft/N645GT), registered now
- Make and model: Boeing 767324
- Aircraft serial: 27393
- Aircraft time: 97,128 hours, 18,648 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Heat Exchanger
- Condition: Malfunctioned
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019081965204

## Discrepancy

EICAS MSG: L PACK TEMP, OPERATES STDBY N.  TROUBLESHOOTING FOUND PRIMARY AND SECONDARY HEAT EXCHANGE SWAPPED. REMOVED AND RECONNECTED CONNECTORS IN CORRECT POSITION AND OPS CHECKED GOOD PER AMM 21-51-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.