As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ELEC BURNING SMELL EMANATING FROM THE CABIN, NO VISIBLE SMOKE PRESENT. TRANSFERRED TO NRWC 519-ORD-01489. R & R BALLAST PS-75 & R & R FLUORESCENT TUBES ON ROWS 6CD IAW AMM 33-21-09 & 33-21-07. OPERATIONS CHECKED IAW AMM 33-21-00 FOUND GOOD IAW NRWC 519-ORD-01489 FOR INFO.