# SDR UIEA2017112502292

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2017
- Submitted: November 27, 2017
- Operation: Air carrier
- Aircraft: [N649GT](https://openairdocs.org/aircraft/N649GT), registered now
- Make and model: Boeing 767375
- Aircraft serial: 25864
- Aircraft time: 85,391 hours, 22,155 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Switch
- Part number: 6258781
- Condition: Malfunctioned
- Location: Lt A/C Pack
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017112502292

## Discrepancy

RECEIVED AN EICAS MESSAGE FOR THE LT PACK TEMP,  FOLLOWED QRH,  RAN PACK, FOUND NORMAL.  REMOVED AND REPLACED THE PACK ALTITUDE SWITCH IAW AMM 21-51-17,  PERFORMED BITE TEST IAW AMM 21-51-14,  TEST PASSED,  NO FAULTS NOTED.

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