As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A'S REPORT A SLIGHT ELECTRICAL ODOR IN THE AFT MAIN CABIN AROUND ROW 18 AND AFT GALLEY AREA. C/W TROUBLESHOOTING ELECTRICAL ODOR IN THE ACFT REF MCN 62172-01, STEP 1A. FOUND AFT CARGO AFT LIGHT ASSY ARCING WITHIN ASSY. R & R AFT CARGO AFT LIGHT ASSY, REF AMM TASK 33-31-01-000-801, 33-31-01-400-801, OPS CHECK GOOD. GROUND RUN ENGINE AND APU WITH BLEED AIR. NO ELECTRICAL ODOR NOTED IN AFT CABIN. RETURNED TO SERVICE.