# SDR ASAA2023022842167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2023
- Submitted: March 6, 2023
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 58,799 hours, 17,361 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/ASAA2023022842167

## Discrepancy

ON RECALL, OBSERVED AMBER " ZONE TEMP" ON CONT CABIN. GROUNDED - YES. ZONE TEMP CONT-2 SHOWS FLT DECK TRIM VALVE ON BIT & PREV FLT, GREEN GO FOR VERIFY, MSG REST. RAN PACKS RE-CONFIRM BITE, OPS NML NO HISTORY PAST 30 DAYS.

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