# SDR ASAA2022120541033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2022
- Submitted: December 7, 2022
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 31,300 hours, 9,955 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Faulted
- Location: First Officer'S
- Stage of operation: TX
- How discovered: O
- Nature of condition: P, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022120541033

## Discrepancy

WHILE FO WAS INPUTTING DATA INTO RT FMC THE SCREEN WOULD GO BLANK THEN SHOW BITE PASS AND RETURN TO SCREEN. HAPPENED 5 TIMES,  DID NOT LOOSE ANY DATA DURING THE BLANK SCREEN TIME. GROUNDED - YES.  PERFORMED RESET AND BITE TEST OF FO'S FMC, IAW FIM 34-61, TASK 804. RESET CHECKED OK.

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