As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT FWD AND LT FWD EMERGENCY SLIDE LIGHTS WERE INOPERATIVE, AND THE AFT SECTION OF EGRESS LIGHTS WERE VERY DIM. CLEANED DIRTY PINS AT THE BATTERY PACK FOR THE SLIDE LIGHTS, AND CLEANED AND DRIED THE EGRESS LIGHT STRIP AND CONNECTIONS. CHECK-C 9-7-99 MCI.