# SDR ASAA2022081439495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2022
- Submitted: August 15, 2022
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 55,224 hours, 16,356 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1741010301
- Part serial: 005280
- Condition: Inoperative
- Location: Flight Compartme
- Part time: 55,206 hours, 16,374 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022081439495

## Discrepancy

UPON POWER TRANSFER FROM APU TO GRD PWR, LEFT FMC DISPLAY BLANK, NO POWER TO UNIT FOR SEVERAL MINS. GROUNDED - YES. REMOVED AND INSTALLED NEW MCDU REF B737-800 AMM 34-61-01/401.

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