As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT EMERGENCY EXIT LIGHTS WOULD NOT ILLUM. DURING STDBY POWER CHECK. WHEN TURNED ON EMERG EXIT LIGHTS CAME ON MOMENTARILLY THEN WENT OUT. COCKPIT EMERG LIGHT NEVER CAME ON. REPLACED BATTERIES FOR TRACK LIGHTING AT L1 AND R1 DOORS COCKPIT EMERGENCY LIGHTS. REPLACED RACK ASSEMBLY FOR EMERG LIGHT PACK AT LT OVERWING EXIT SIGN, CKS OK.