# SDR ASAA2015060411977

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2015
- Submitted: June 8, 2015
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 33,789 hours, 10,257 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Light
- Condition: False Activation
- 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/ASAA2015060411977

## Discrepancy

DURING PREFLIGHT, NOTICED GREEN ALTN LIGHT ILLUMINATED ON OVERHEAD PRESSURIZATION PANEL ALSO AMBER AUTO FAIL LIGHT ILLUMINATED.  ACFT GROUNDED.  PERFORMED BITE ON CABIN PRESS CONTROLLERS OPS NORMAL, NO DEFECT NOTED, ALTN GREEN LIGHT AND AMBER AUTO FAIL LIGHT EXTINGUISHED REF FIM 21-31, TASK 801.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.