As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
21F EMERGENCY EXIT WINDOW LIGHT LIGHT INOPERATIVE. AIRCRAFT MOVED OFF GATE TO TAXI WAY UNABLE TO WORK ON ACFT ON TAXIWAY. NOT EMERGENCY LIGHT, BUT WINDOW LIGHT. DEFERED PER MEL 3321A. REMOVED AND REPLACED OVERWING EXIT LIGHT ASSY AT 21F REF AMM 33-21-00-960-802. OPS CHECK GOOD.