# SDR ASAA2013011993704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2013
- Submitted: January 23, 2013
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 24,778 hours, 7,621 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/ASAA2013011993704

## Discrepancy

AFTER LANDING, DURING TRANSFER FROM ENGINE GENERATOR TO APU POWER, PRESSURIZATION AUTOFAIL AND ALTN LIGHTS CAME ON.  FOUND LRU FAIL OFV OII ON NR 2 DCPC.  RESET IAW FIM TASK 21-31, TASK 802.  ALL FAULTS CLEARED AND DID NOT RETURN. BOTH NR 1 AND NR 2 DCPCS CHECKED GOOD.  NO HISTORY OF FAULT FOR THE PAST 30 DAYS.  ACFT OK FOR SERVICE.

---
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.
