As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PUSHBACK, ACCESS BUSS CAUTION MESSAGE AND EMERGENCY LIGHTS MESSAGE WOULD CYCLE ON AND OFF. GATE RETURN, COULD NOT DUPLICATE. ACCESS BUSS MESSAGE NOT ON AND EMERGENCY LIGHTS NOT COMING ON EITHER. OPS CHECKED GOOD IAW AMM 24-00-00 AND 33-51-00.