# SDR SWAA2015080342483

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2015
- Submitted: August 3, 2015
- Operation: Air carrier
- Aircraft: N7819A
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 30649
- Aircraft time: 43,162 hours, 26,556 cycles
- System (JASC): [2163 · Cabin Temperature Sensor](https://openairdocs.org/jasc/2163)
- Part: Sensor
- Part number: 6240181
- Condition: Faulty
- Location: Cabin Temp
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2015080342483

## Discrepancy

ON DESCENT BURNING SMELL IN COCKPIT AT 121,000', DISSIPATED BY 17,000'.  MORE OF A PLASTIC BURNING SMELL.  NO HOTSPOTS NOTED BY HAND IN COCKPIT.  NO OVERHEATED WINDOWS.  CAPTAIN MAP LIGHT WAS LEFT ON & WAS HOT BUT DID NOT SMELL.  DISSIPATED SMELL NEVER RETURNED.  R & R CONTROL CABIN TEMP SENSOR IAW SIP.

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