# SDR ASAA1158737

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2011
- Submitted: January 10, 2011
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 7,073 hours, 2,108 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Condition: Malfunctioned
- Location: Cockpit
- 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/ASAA1158737

## Discrepancy

CAPTAIN SIDE PFD DISPLAYING FD FLAG.  SUSPECT GROUND POWER UNIT CAUSED FAULT PUT ACFT ON APU PWR CAPTAINS F/D FLAG REMAINED OUT OF VIEW.  PERFORMED DFCS BITE CHECK PER FIM 22 11 00 NO FAULTS FOUND.  PERFORMED MMR BITE CHECK PER FIM 34 31 00.  NO DEFECTS NOTED.

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