# SDR COZA20171017115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2017
- Submitted: October 18, 2017
- Operation: Air carrier
- Aircraft: N732KA
- Make and model: Boeing 737-59D
- Registry model: [Boeing 737-59D](https://openairdocs.org/model/boeing-737-59d) (OpenAirDocs)
- Aircraft serial: 25065
- Aircraft time: 45,486 hours, 39,132 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Sensor
- Part number: 6275701
- Part serial: 080C10236
- Condition: Faulty
- Location: Cabin Air Sys
- Stage of operation: NR
- 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/COZA20171017115

## Discrepancy

DUCT PNEUMATIC PRESSURE DURING CRUISE WAS 40 PSI BUT VERY LOW FLOW IN CABIN.   FOUND LEFT 35 DEG SENSOR FAULTY.   REPLACED THE SENSOR AND OPS CHECKED OK.

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