# SDR A6WA2019041506557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2019
- Submitted: April 15, 2019
- Operation: Air carrier
- Aircraft: [N425AW](https://openairdocs.org/aircraft/N425AW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7663
- Aircraft time: 38,313 hours, 36,598 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/A6WA2019041506557

## Discrepancy

THE CREW ADVISED DISPATCH THAT THE AIRCRAFT WAS UNABLE TO PRESSURIZE AND WAS LEVELING OFF AT 10,000. CREW COMPLIED WITH QRH AND SWITCHED TO CONTROLLER 2 AND MANUAL MODE; NEITHER CORRECTED THE ISSUE. THE FLIGHT BURNED OFF FUEL AND RETURNED TO CAE.  RTN-CABIN W/N PRESSURIZE REC'D CABIN ALT CAUTION MSG RAN CABIN ALT QRH CABIN WOULD SILL NOT PRESSURIZE DELTA P REMAINED AT.1 ENTIRE TIME SWAPPED CONTROLLERS AND TRIED MANUAL, AIRCRAFT WOULD STILL NOT PRESSURIZE. NO ASSOCIATED MSG'S.

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