# SDR ASAA2018122087477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2018
- Submitted: December 20, 2018
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 39,610 hours, 11,905 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: False Activation
- Location: Cabin Pressure
- Stage of operation: NR
- 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/ASAA2018122087477

## Discrepancy

PRESSURIZATION AUTO FAIL AMBER LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED AUTO FAIL LIGHT "ON" FAULT ISOLATION REF B737-800 FIM 21-31 TASK 827, C/W ETOPS GROUND SYSTEM OPERATIONAL VERIFICATION PERFORMED ON BOTH #1 & 2 CONTROLLERS, NO FAULTS NOTED.

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