# SDR ASAA2022102540475

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2022
- Submitted: October 27, 2022
- Operation: Air carrier
- Aircraft: [N530AS](https://openairdocs.org/aircraft/N530AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36578
- Aircraft time: 44,568 hours, 13,013 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Indication
- Location: Zone Temp
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022102540475

## Discrepancy

FAULT CODE 216 224 00 - ZONE TEMPERATURE CONTROL: ZONE TEMP LIGHT COMES ON UNEXPECTEDLY DURING MASTER CAUTION RECALL - CONT CAB GROUNDED - YES. RESET RIGHT PZTC CONTROL CABIN TRIM AIR VALVE FAULT. OBSERVED TAV DURING BITE, NO DEFECTS NOTED. VALVE MOVED FULL TRAVEL SMOOTHLY OPEN AND CLOSE.

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