# SDR ASAA2016072917549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2016
- Submitted: August 1, 2016
- Operation: Air carrier
- Aircraft: [N529AS](https://openairdocs.org/aircraft/N529AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35198
- Aircraft time: 24,916 hours, 7,481 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Message
- 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/ASAA2016072917549

## Discrepancy

AUTO FAIL AND ALTERNATE LIGHTS ILLUMINATED ON PRESSURIZATION PANEL. DISCOVERED DURING PRE-FLIGHT.  ACFT GROUNDED.  FOUND FAULT DISPLAYED ON NR 1 DCPC. PERFORMED FIM 21-31 TASK 801. CLEARED FAULTS PER FIM PROCEDURE AND NO EXISTING FAULTS.  BITE TESTS OK.  GROUND VERIFICATION TEST OK.

---
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.