# SDR ASAA2015111313758

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2015
- Submitted: November 16, 2015
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 28,834 hours, 8,897 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: False Activation
- Stage of operation: DE
- 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/ASAA2015111313758

## Discrepancy

ON DESCENT, "AUTO FAIL" LIGHT ILLUMINATED ALONG WITH "ALTN". COMPLIED WITH QRH CHECKLIST.  CABIN DESCENDED NORMALLY.  ACFT GROUNDED. REF FIM 21-31, TASK 801. PERFORMED CPC BITE ON BOTH NR 1 & NR 2 CONTROLLERS.  NO FAULTS WERE LOGGED, BITE TEST PASSED AND GROUND VERIFICATION WAS SUCCESSFUL.

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