What was found
MCN - DURING C16 CHECK DISCOVERED THE L2 DOOR FRAME CRACKED, .125 INCHES, AT BS 957 JUST BELOW STR 8L. MAINTENANCE REMOVED CRACKED L2 DOOR FRAME FROM BS 957, STRINGER 8L AND INSTALLED A NEW FRAME AT THE L2 DOOR, BS 957 JUST BELOW STR 8L IAW BOEING 737-300 SRM 51-40-02-0G FIGURES 3, 6, 8 AND 12.