# SDR HALA2015083000179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2015
- Submitted: August 31, 2015
- Operation: Air carrier
- Aircraft: N580HA
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28140
- Aircraft time: 50,782 hours, 9,284 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3987505
- Part serial: 2252
- Condition: Malfunctioned
- Location: Lt A/C Pack
- Part time: 8,855 hours, 1,535 cycles
- Stage of operation: DE
- 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/HALA2015083000179

## Discrepancy

DURING DECENT, PACKS INCREASE TEMP TO APPROXIMATELY 85 DEG- A PACK RESET RESTORES AUTO TEMP CONTROL.  R & R LT PACK TEMP CONTROL VALVE IAW AMM 21-51-12-404-013.  OPS AND LEAK CHECK, OK.

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