As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL SMOKE SMELL IN VICINITY OF 35HJ, SMELL DISSIPATED WHEN POWER PORTS WERE SHUTOFF. ACCOMPLISHED SMOKE & FUMES IN CABIN IAW AMM 05-51-50 & FIM 21-00-00-810-808. FOUND IFE SEAT AUDIO & VIDEO UNIT 31D INOPERATIVE. AUDIO & VIDEO UNITS 32D & 34F EMITTING ELEC ODORS. R & R AUDIO & VIDEO UNITS AT SEATS 31CD, 32CD & 34EFG IAW AMM 23-32-22. LOADED SOFTWARE TO SEATS, ALL SEATS INTERACTIVE. OPERATIONAL CHECKED OK ON GND. SEE AALA20151109007 & AALA20151109008.