# SDR ASAA2016120418926

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2016
- Submitted: December 6, 2016
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 38,216 hours, 11,460 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Filter
- Condition: Clogged
- Location: Temp Sensor
- 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/ASAA2016120418926

## Discrepancy

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL, EXTINGUISHES ON MASTER CAUTION RESET.  ACFT GROUNDED.  REMOVED AND REPLACED A CLOGGED FILTER AND CLEANED TEMP SENSOR. ACCOMPLISHED PACK TEMP CONTROL BITE IAW FIM 21-62 TASK 801, FAULTED FLT DECK TRIM VALVE ON ZONE TEMP CONT #2 (M1443). CLEARED FAULT AND "ZONE TEMP" LIGHT DID NOT ILLUMINATE ON RECALL.

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