# SDR ASAA2015111013710

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2015
- Submitted: November 12, 2015
- Operation: Air carrier
- Aircraft: [N514AS](https://openairdocs.org/aircraft/N514AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35193
- Aircraft time: 27,228 hours, 8,280 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Filter
- Part number: 412A160041
- Condition: Dirty
- Location: Cabin
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015111013710

## Discrepancy

F/A'S REPORT CABIN TEMP EXCESSIVELY WARM DESPITE ATTEMPS TO COOL IN AUTO.  MOVED ALL 3 CABIN TEMP CONTROLLERS TO OFF, APPEARED TO RESOLVE CABIN TEMP BUT FLIGHT DECK BECAME QUITE WARM.  ACFT GROUNDED.  BITE TEST OF BOTH TEMP CONTROLLERS REF AMM FIM 21-61, TASK 801, NO DEFECTS NOTED.  COCKPIT ZONE TEMP SENSOR FAILED FLOW CHECK REF AMM FIM 21-61, TASK 861.  REPLACED FILTER REF AMM 21-61-06-000-801.  BOTH CABIN ZONE TEMP SENSORS FAILED FLOW CHECK REF AMM FIM 21-61T, ASKS 863 & 864.  REPLACED BOTH SENSORS FILTERS REF AMM 21-61-06-000-801.

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