What was found
DURING C18 CHECK DISCOVERED R1 DOOR FORWARD STOP CUTOUT, FOURTH FROM TOP, CRACKED, .60 INCHES IN LENGTH. MAINTENANCE TRIMMED OUT CRACK AREA AT R1 DOOR FORWARD STOP CUTOUT, FOURTH FROM TOP IAW AMERICA WEST AIRLINES ENGINEERING REPAIR NR 03-5200-5214-SS1. FABRICATED DOUBLER IAW AWA ER 03-5200-5214-SS1. INSTALLED FABRICATED REPAIR PARTS AT R1 DOOR FORWARD STOP CUTOUT, FOURTH FROM TOP IAW BOEING 737-300 SRM 51-40-02-0 FIG 3 AND AWA ER 03-5200-5214-SS1.