What was found
ON SWITCHING TO APU FROM GROUND POWER #2 FMCS MCDU WENT BLANK. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 807 FOR RESET AND ALL OPS CK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON SWITCHING TO APU FROM GROUND POWER #2 FMCS MCDU WENT BLANK. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 807 FOR RESET AND ALL OPS CK NORMAL.