# SDR ASAA2023062943794

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2023
- Submitted: July 3, 2023
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 58,153 hours, 17,227 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: LD
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023062943794

## Discrepancy

AFTER LANDING, MASTER CAUTION ILLUMINATED WENT AUTO FAIL ON PRESS PANEL AND GREEN ALTN LIGHT ON. GROUNDED - YES. ON DEFERRAL.

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