What was found
CAPT FMC FAIL LT ILLUMINATED WITH SCREEN BLANK. " BIT PASS" WAS OBSCURED ON SCREEN- IN ABOUT 20-30 SEC. FMC CAME BACK ON WITH NO LOSS OF DATA. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 836, CYCLED FMCS C/B NO DEFECTS NOTED.
- Difficulty date
- October 18, 2021
- Submitted
- October 20, 2021
- Operation
- Air carrier
- Aircraft
- N531AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35199
- Aircraft time
- 40,319 hours, 11,701 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.