As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF B-CHECK CARD 0617, REQUIRING THE OPERATIONAL TEST OF THE EMEREGNCY LIGHTING SYSTEM THE EMERGENCY LIGHT AT THE L1 DOOR FAILED TO ILLUMINATE. THIS DISCREPANCY WAS TROUBLE SHOT TO A BURNED OUT LAMP. THE LAMP WAS REPLACED AND OPERATIONAL CHECKED OK IAW MCDONNELL DOUGLAS DC0 MM REF 33-53-0. (M)