As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND SPARK ON F-C SEAT 3A CEILING PANEL, F-C ALL SIDE WALL LIGHT AND CEILING LIGHT INOPERATIVE. WIRE BUNDLE W2884 WAS FOUND TO HAVE CHAFED AGAINST A STOW BIN CUT OUT, WHICH HAD LOST ITS PROTECTIVE "CATERPILLAR" COVER. THE WIRE HARNESS, FROM DM8470 TO DM8468, WAS REPLACED AND SECURED PER WDM 33-21-11. THE PROTECTIVE "CATERPILLAR" COVER WAS ALSO REPLACED.