What was found
MCN - MAJOR REPAIR - DURING C-17 CHECK, A 3/4 INCH CRACK WAS FOUND IN R-1 DOOR FORWARD UPPER CORNER REVEAL. MAINTENANCE REMOVED CRACKED REVEAL FROM BS 298 TO BS 306, STR 10 RT TO STR 11 RT, INSTALLED NEW REPLACEMENT PART IAW B737-300 SRM 51-40-02.