# SDR IXXA

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2022
- Submitted: May 21, 2022
- Operation: Air carrier
- Aircraft: [N753CX](https://openairdocs.org/aircraft/N753CX), registered now
- Make and model: Boeing 757-2Y0
- Registry model: [Boeing 757-2Y0](https://openairdocs.org/model/boeing-757-2y0) (OpenAirDocs)
- Aircraft serial: 26152
- Aircraft time: 64,638 hours, 24,990 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Eicas
- Condition: Fault Message
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A, B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IXXA

## Discrepancy

APPROXIMATELY FL 310 CABIN PRESSURE EICAS MESSAGE DISPLAYED. MASTER CAUTION OUTFLOW VALVE SHOWED CLOSED. NO CHANGE WHEN SWITCHED FROM AUTO 1 TO AUTO 2. AIR TURN BACK TO PKWA WITH AN EMERGENCY DECLARATION. LANDING WAS UNEVENTFUL
ON ARRIVAL, AIRACRAFT GROUNED FOR UNSCHEDULED MAINTENANCE. WORK IN PROGRESS.

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