As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LT AND RT AFT OVERWING EMERGENCY EXIT SIGNS WERE INOPERATIVE, AND THE EGRESS LIGHTS IN THE FIRST CLASS CABIN WERE INOPERATIVE. REPLACED THE BATTERY CELLS (P/N 408822-101) FOR THE EXIT SIGNS, AND THE BATTERY PACK (P/N 5822-2) FOR THE EGRESS LIGHTS. CHECK-C 6-5-00 MCI.