# SDR ASAA2018040624162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2018
- Submitted: April 9, 2018
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 42,431 hours, 12,591 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Warning Light
- Condition: False Activation
- Location: Apu
- Stage of operation: CR
- 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/ASAA2018040624162

## Discrepancy

APU FAILED CSS AT FL 360. FAULT LIGHT ON START ATTEMPT.  ACFT GROUNDED. PERFORMED FIM 49-30/803.  NO FAULTS FOUND. OK FOR SERVICE.

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