# SDR ASAA2021022834216

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2021
- Submitted: March 3, 2021
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 46,380 hours, 14,083 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Condition: Faulted
- Location: Cockpit Temp
- Stage of operation: NR
- 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/ASAA2021022834216

## Discrepancy

CONT CAB ZONE TEMP LIGHT ILLUMINATED AFTER MASTER CAUTION RECALL. GROUNDED - YES. REF B737-800 FIM 21-62 TASK 832 FOR PZTC 2 FAULT FLT DECK TRIM VALVE. RESET FAULT OPERATED PACKS AND FAULT DID NOT RETURN.

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