# SDR ASAA2018072325521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2018
- Submitted: July 27, 2018
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 44,474 hours, 13,327 cycles
- System (JASC): [2163 · Cabin Temperature Sensor](https://openairdocs.org/jasc/2163)
- Part: Sensor
- Part number: 213A410113
- Condition: Dirty
- Location: Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018072325521

## Discrepancy

AFTER ENGINE START AIR TEMP FWD CAB ZONE TEMP LITE-ON, LIGHT EXTINGUISHED AFTER MASTER CAUTION RESET. GROUNDED - YES. CLEANED CABIN TEMP SENSORS. PERFORMED CABIN TEMP CONTROLLER BITE, REF AMM 21-61-00-700-806-002. VERIFICATION TEST NORMAL. OPERATED PACKS, ZONE TEMP LIGHT REMAINS EXTINGUISHED ON RECALL.

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