# SDR ASAA2018081325735

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2018
- Submitted: August 13, 2018
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 39,637 hours, 12,147 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: False Activation
- Location: Pressure Panel
- Stage of operation: TX
- 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/ASAA2018081325735

## Discrepancy

DURING PREFLIGHT,  FOUND THE AUTO FAIL & MANUAL LIGHTS ILLUMINATED ON PRESSURIZATION CONTROL PANEL.  ACFT GROUNDED.  REPOSITIONED PRESSURIZATION MODE TO MANUAL & BACK TO AUTO, LIGHTS EXTINGUISHED.  PERFORMED A BITE ON DCPC, FOUND NO FAULTS IAW FIM 21-31, TASK 801.

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