# SDR ASAA2023100445451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2023
- Submitted: October 6, 2023
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 56,644 hours, 16,867 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: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023100445451

## Discrepancy

ZONE TEMP-CONT CAB ILLUMINATED ON MASTER RECALL. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 801, FLT DECK TRIM VALVE FAULT LIGHT ILLUMINATED. FAULT CLEARED & BITE PASSED, ZONE TEMP CONTR REMAINS EXTINGUISHED ON RECALL.

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