As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL SMOKE BURNING SMELL AROUND ROWS 20 TO 23. PER FLT CREW REQUEST CHECKED ALL OVENS, COFFEEMAKERS, OVERHEAD PANELS AND LIGHT BALLASTS IN ROWS 20 - 26. OPERATED VIDEO SYS, RAN PACKS RAN BOTH ENGINES. CHECKED FWD CARGO AND A/C DISTRIBUTION AREA. NO DISCREPANCIES NOTED. UNABLE TO DUPLICATE.