# SDR ASAA2022112040894

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2022
- Submitted: November 23, 2022
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 49,974 hours, 14,695 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Part number: 6228145
- Part serial: 62281404998
- Condition: Faulted
- Location: Cabin Temp
- Part time: 50,057 hours, 14,712 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022112040894

## Discrepancy

AFT CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES.  R&R PZTC NR 1 IAW AMM 21-61-20-000-801 OPS CHECK NORMAL PER AMM BITE PROCEDURE AMM 21-61-00-700-806-002.

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