What was found
DURING INSPECTION, THREE CRACKS WERE FOUND IN THE SKIN AND DOOR SURROUND STRUCTURE IN THE LOWER AFT CORNER OF THE L1 DOOR CUTOUT. ALL CRACKS GO THROUGH THE SKIN, BONDED DOUBLER AND THE BEAR STRAP. CRACK LENGTH VARIED FROM 1 TO 2 INCH LENGTH. IN ACCORDANCE WITH FAA/DER FORM 8110-3 DATED 02-28-96, THE DAMAGED AREA WAS CUT OUT AND A DOUBLER AND TRIPLER WERE INSTALLED.