What was found
STARTING TO TAXI, BOTH GENERATORS DROPPED OFF-LINE. MAINTENANCE PERFORMED BIT CHECK ON ALL GCU'S; RAN BOTH ENGINES; LOADED ALL SYSTEMS; UNABLE TO GET THE GENERATORS TO DROP. RAN ALL CHECKS IAW MM 24-20-01, PAGE 501. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STARTING TO TAXI, BOTH GENERATORS DROPPED OFF-LINE. MAINTENANCE PERFORMED BIT CHECK ON ALL GCU'S; RAN BOTH ENGINES; LOADED ALL SYSTEMS; UNABLE TO GET THE GENERATORS TO DROP. RAN ALL CHECKS IAW MM 24-20-01, PAGE 501. (X)