# SDR ASAA2016122219132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2016
- Submitted: December 27, 2016
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 32,281 hours, 9,816 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Knob
- Condition: Binding
- Location: Air Temp Gauge
- Part time: 81,703 hours, 40,712 cycles
- 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/ASAA2016122219132

## Discrepancy

AIR TEMP GAUGE SELECTOR KNOB IS VERY HARD TO TURN.  ACFT GROUNDED.  CONFIRMED FAULT, REMOVED & REPLACED P5-17 TEMPERATURE CONTROL MODULE IAW AMM 21-61-15, OPS CHECKED NORMAL.

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