As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT: DURING CRUISE PUNGENT BURNING ODOR SMOKE EMENATING FROM WINDOW L2. RESOLUTION: REMOVED AND REPLACED L2 WINDOW REF AMM 56-12-11. REMOVED AND REPLACED WINDOW HEAT CONTROL UNIT REF AMM 30-41-11. OPS TEST GOOD NO FAULTS FOUND OK FOR SERVICE. REMOVED AND REPLACED L2 WINDOW WIRE HARNESS REF AMM 56-12-11. REMOVED AND REPLACED L2 CABLE ASSY REF AMM 56-12-11. OK FOR SERVICE.