# SDR COZA20160815086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2016
- Submitted: August 15, 2016
- Operation: Air carrier
- Aircraft: [N733KA](https://openairdocs.org/aircraft/N733KA), registered now
- Make and model: Boeing 737-86N
- Registry model: [Boeing 737-86N](https://openairdocs.org/model/boeing-737-86n) (OpenAirDocs)
- Aircraft serial: 28643
- Aircraft time: 43,480 hours, 23,369 cycles
- Engine: Cfmint CFM567B262
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Sensor
- Part number: 1296942
- Part serial: 8915
- Condition: Faulty
- Location: Zone 600
- Stage of operation: IN
- How discovered: V
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COZA20160815086

## Discrepancy

DURING GROUND ENGINE RUN NOTICED A DUCT PRESSURE SPLIT WITH RIGHT SIDE LOW.  TROUBLESHOT USING FIM.  REPLACED RIGHT 450 DEG THERMOSTAT SENSOR.  PERFORMED ENGINE RUNS AND CONFIRMED DUCT PRESSURES MATCHED.

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