As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ON THE GROUND, MAINTENANCE FOUND COCKPIT DOOR EMERGENCY EXIT LIGHT INOP. MAINTENANCE REMOVED AND REPLACED THE BATTERIES ON THE COCKPIT EMERGENCY EXIT LIGHT ASSEMBLY IAW MM 33-50-101. PERFORMED ADJ/TEST IAW MM 33-50-01 GRD, OPS CK'D GOOD.