# SDR ASAA2014112509768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2014
- Submitted: December 2, 2014
- Operation: Air carrier
- Aircraft: [N462AS](https://openairdocs.org/aircraft/N462AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 2,233 hours, 674 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Sensor
- Condition: Dirty
- Location: Cockpit Temp
- Stage of operation: TX
- 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/ASAA2014112509768

## Discrepancy

AFTER ENGINE START CONTROL CAB ZONE TEMP ILLUMINATED ON RECALL.  LIGHT WENT OUT AFTER RESET.  FOLLOWED QRH.  ACFT GROUNDED.  CLEANED CONTROL CABIN TEMP SENSOR ASSY FILTER IAW MM 21-61-06.  PACK/ZONE TEMP CONTROLLER BITE REF MM 21-61-00 SHOWED TRIM VALVE FLT DECK, NR 2 CONTROLLER, ON BIT AND PREV FLT VERIFY GO.  CLEARED ON RESET, NO HISTORY 60 DAYS.

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