What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK .25 INCH CRACKS WERE FOUND ON THE FORWARD CARGO DOOR LOWER BEAM T-CHORD AT 3 FASTENER HOLES IN THE VERTICAL LEG, BS 441, 442, 443. MAINTENANCE REMOVED THE LOWER BEAM T-CHORD AT BS 441-443; FABRICATED NEW REPLACEMENT T-CHORD, AND INSTALLED REPAIR IAW EO 52-31-04, PG 81-83.