# SDR ASAA2019031728640

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2019
- Submitted: March 19, 2019
- Operation: Air carrier
- Aircraft: [N423AS](https://openairdocs.org/aircraft/N423AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35206
- Aircraft time: 23,282 hours, 7,647 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Unknown
- Condition: Malfunctioned
- Location: Electrical Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019031728640

## Discrepancy

ON TAXI OUT APU KICKED OFFLINE AND BOTH ENGINE CONTROL LIGHTS ILLUMINATED. GROUNDED - YES. APU PWR KICKED OFF LINE PRIOR TO ENG ELEC SYS PWR UP. POWERED DOWN ALL SYSTEMS AND REBOOTED SHIPS POWER- ALL FAULTS CLEARED. ACFT CLEAR FOR SERVICE REF AMM 71-00-00.

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