# SDR ASAA1159619

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2011
- Submitted: May 11, 2011
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 8,376 hours, 2,517 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Filter
- Part number: 412A160041
- Condition: Dirty
- Location: Cabin Temp
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1159619

## Discrepancy

AFT CABIN TEMPERATURE DIFFICULT TO CONTROL IN AUTO, EITHER TOO HOT OR TOO COLD.  BITE CHECKED TEMP CONTROLLERS NO FAULTS.  FOUND CABIN TEMP SENSOR FILTERS VERY DIRTY.  CHANGED FWD & AFT FILTERS.

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