# SDR ASAA2014112609780

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2014
- Submitted: December 2, 2014
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 25,675 hours, 7,947 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Solenoid
- Condition: Failed
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014112609780

## Discrepancy

DURING ENGINE START,  MAX MOTORING ON NR 2 ENGINE REACHED 16.6 PERCENT N2.  ABORTED ENGINE START.  ABORTED ENGINE START QRC COMPLETED.  ACFT GROUNDED.  REPLACED APU FLOW DIVIDER SOLENOID IAW AMM 49-31-15.  OPS CHECK AND LEAK CHECK VERIFIED.

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