# SDR ASAA2022012237234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2022
- Submitted: January 26, 2022
- Operation: Air carrier
- Aircraft: [N594AS](https://openairdocs.org/aircraft/N594AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35191
- Aircraft time: 49,370 hours, 14,666 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022012237234

## Discrepancy

CONT CAB ZONE TEMP LIGHT ILLUMINATED. GROUNDED - YES. CARRIED OUT PACK/ZONE TEMPERATURE CONTROLLER BITE TEST PER B737-800 AMM 21-51-00, CONTROLLER #2 SHOWED FAULT FOR (FLT DECK TRIM) CLEARED FAULT WITH NO RETURN.

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