As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK {B737-33-3-0235} - RIGHT OVERWING EXIT LIGHT SIGNS DO NOT TURN ON DURING OP CHECK. REMOVED AND REPLACED BATTERY PACK FOR RIGHT OVERWING EXIT LIGHT SIGNS. OPS CHECKS GOOD. REF AMM 33-51-06-960-804.