As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHT SIGN AFT OF R3 DOOR AND TWO EMERGENCY CEILING LIGHTS RT SIDE AFT OF R3 DOOR INOPERATIVE. REMOVED AND REPLACED EXIT SIGN AND REPLACED THE LAMPS. ALL LIGHTS STILL INOPERATIVE. WHILE PERFORMING TEST OF EMERGENCY LIGHTS, FOUND THAT THE EXIT LIGHT SIGN AFT OF DOOR , WOULD COME ON ONLY FOR 2 SECONDS. REPLACED THE BATTERY PACK IAW MM 33-51-06 OPS CHECKED GOOD.