# SDR ASAA2015122114375

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2015
- Submitted: December 23, 2015
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 32,044 hours, 9,567 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Sensor
- Part number: 6240181
- Condition: Dirty
- Location: Cabin Temp
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015122114375

## Discrepancy

FORWARD CAB AND AFT CAB KNOBS SEEM TO BE WAY TOO FAR TO THE LT TO HOLD A COMFORTABLE TEMP, ABOUT 21 DEG CELSIUS, THE KNOBS ARC ALMOST 90 DEG TO THE LT. CONTROL CAB ABOUT 12:30-1:00 POSITION.  FWD AND AFT KNOBS ABOUT 9:30 POSITION.  ACFT GROUNDED.  WITH PACKS ON, VERIFIED DISCREPANCY.  FOUND LITTLE TO NO INTAKE AIR FLOW TO PASSENGER CABIN TEMP SENSOR ASSYS, REF AMM 21-61-06, REMOVED SAME FILTERS AND FOUND PACKED WITH DUST.  ALSO NOTED CABIN TEMP SENSORS COVERED IN DUST. CLEANED BOTH PASSENGER CABIN TEMP SENSORS AND FILTERS.  OPS NORMAL REF AMM 21-61-10 AND CONTROL CABIN AND BOTH PASSENGER CABIN TEMP CONTROLS, OPS NORMAL WITH PACKS RUNNING.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.