What was found
CORROSION ON SEVERAL AREAS OF FWD FUSELAGE MAIN CABIN, LT FLOOR TRACK PN 170-03264-001, BETWEEN FRAME 16 & 19 AT Y= -273, LD07, X=4520 - 5645, Y= -260. R & R FWD CABIN LT FLOOR TRACK IAW SRM 51-41-01 & 51-43-01 ON WO 19451651D3 IAW EO E175-53MR-061 REV 5.