# SDR ASAA2023031042288

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N978AK](https://openairdocs.org/aircraft/N978AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43348
- Aircraft time: 2,464 hours, 720 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/ASAA2023031042288

## Discrepancy

"MAINT" LIGHT ILLUMINATED ON OVERHEAD PANEL. GROUNDED - YES. INTERROGATED OMF, FOUND FAULT MESSAGE FOR CONT CAB VLV. PERFORMED SYSTEM TEST PER B737-9 IFIM 21-61-00-810. OPS GOOD. FAULT CLEARED.

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