As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MOMENTARY ELECTRICAL ODOR AND SMALL PUFF OF SMOKE FROM VICINITY OF CAPT'S NR 2 WINDOW, NO OTHER INDICATIONS. SECOND OCCURENCE OF ODOR. SHUTOFF WINDOW HEAT TO CAPT'S NR 2 WINDOW, ODOR SEEMS TO ORIGINATE FROM BOTTOM EDGE OF THE WINDOW. ACFT GROUNDED. AS PRECAUTIONARY R & R WHCU LT SIDE, REF AMM 30-41-11. ACCOMPLISHED WHCU OPS CHECKS NORMAL R & R CAPTAIN'S OPENABLE WINDOW ASSY REF AMM 56-12-11. OPS CHECKS NORMAL.