As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: EXTERIOR RIGHT HAND FORWARD OVERWING EMERGENCY LIGHT IS INOPERATIVE. REMOVED AND REPLACED M01676 EMERGENCY LIGHTING POWER SUPPLY, PERFORMED SATISFACTORY EMERGENCY LIGHTS OPERATIONAL TEST ON RIGHT HAND FORWARD OVERWING LIGHT ASSEMBLY. PER B737-NG AMM 33-51-00.