As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 9427166) DURING INSPECTION FOUND DURING TOW EMERGENCY LIGHT WOULD NOT TURN OFF. FOUND AFT LIGHT MODULE M1886 WITH DAMAGED CONNECTION AT TERMINAL 3C ON SWITCH AND SWITCH ALSO DAMAGED INTERNALLY. REPLACED MODULE M1886 AND TESTED PER B737 AMM 33-51. NOW EMERGENCY LIGHTS OPS NML.