# SDR ASAA2019051729384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2019
- Submitted: May 20, 2019
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 40,677 hours, 12,122 cycles
- System (JASC): [4970 · APU Indicating System](https://openairdocs.org/jasc/4970)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- 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/ASAA2019051729384

## Discrepancy

PER INBOUND FLT CREW APU FAULT LT ILLUMINATED ON APU RESTART. GROUNDED - YES. PERFORMED APU BITE TEST REF FIM 49-60 TASK 801. FOUND MX MESSAGE 49-31171. PERFORMED FIM 49-31 TASK 808 WAITED 30 MIN AND RESTARTED APU START WAS NORMAL. NO MESSAGE ON CURRENT STATUS PAGE. A/C OK FOR SERVICE.

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