# SDR CALA2021072301164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2021
- Submitted: July 23, 2021
- Operation: Air carrier
- Aircraft: N412UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 465
- Aircraft time: 86,714 hours, 33,041 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Condition: Failed
- Location: Cabin Temp
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021072301164

## Discrepancy

SD BLEED PAGE SHOWSAMBER XX FOR PACK1 OUTLET TEMP.PACK1 BYPASS V ALVE POS. PACK COMP OUTL LOCKED PER TOMC.  H CASTRO ITEM UNLOCKED BY TOMC REPLACED PACK 1 TEMP CONTROLLER 7HH PER AMM 21-61-34. OPS CHECK WAS GOOD AT THIS TIME

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