As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) WINDOW LIGHT LOCATED AT ROW 10 GAVE A BURNING SMELL. INVESTIGATION FOUND THE A BURNT FLUORESCENT LAMP HOLDER AND LAMP. CAUSE OF THE BURNING WAS AN INCORRECTLY INSTALLED LAMP WHICHCAUSED ARCING AT THE LAMP HOLDER. PERSONNEL/MAINTENANCE ERROR.