# SDR ASAA2023111246106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2023
- Submitted: November 13, 2023
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41730
- Aircraft time: 41,003 hours, 13,056 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: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023111246106

## Discrepancy

CONT CABIN LIGHT ZONE TEMP ON RECALL, RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. VERIFIED FAULT, ACCOMP PACK /ZONE TEMP CONT. BITE CONT #2 SHOWS TRIM VALVE FLT DECK FAULT. CONT #1 NO FAULTS. ACCOMP RESET ON #2. ACCOMP BITE VERIFY TEST ON BOTH CONT. BOTH PASS TEST REF. B737-900 AMM 21-61-00-700-806-002.

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