# SDR ASAA2016032516086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2016
- Submitted: March 29, 2016
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 29,493 hours, 8,982 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Part number: 3989083
- Part serial: 9171
- Condition: Failed
- Location: Cabin Temp
- Part time: 31,542 hours, 9,676 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016032516086

## Discrepancy

CABIN ZONE TEMP AMBER LIGHT ILLUMINATED ON RECALL, QRH RAN.  ACFT GROUNDED.  PERFORMED FIM TASK 21-62, TASK 801.  ZONE TEMP CONTROLLER NR 1 FLT DECK TRIM VALVE FAIL LIGHT ILLUMINATED.  R & R FLIGHT DECK TRIM VALVE IAW AMM 21-61-21.  OPS CK GOOD. LEAK CHECKED GOOD. BONDING CHECKED GOOD IAW AMM 21-61-21.

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