What was found
DURING THE ACCOMPLISHMENT OF EO E175-5300-163, MX DISCOVERED ELONGATED FASTENER HOLES IN CF III LOWER SKIN PN 170-91883-005 & DOUBLER 170-87558-001. REQUESTED & RECEIVED RELIEF IN THE FORM OF ETD 2016-170-046409 TO REAM THE DAMAGED FASTENER HOLES OVERSIZED. FABRICATE & INSTALLATION OF REPAIR BUSHINGS IAW ETD 2016-170-046409. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED BY ENGINEERING AS A MAJOR REPAIR DUE TO STRENGTH RESTORATION. FOLLOW UP INSPECTIONS WILL BE ACCOMPLISHED ON EO E175-53MR-260.1. REF TASK 53-23-003-0001 EXTERNAL DET THRESHOLD OF 20,000FC, INTERVAL OF 6,673FC, IS SUFFICIENT. ACCOMPLISHMENT OF THIS MAJOR REPAIR WAS ON EO E175-53MR-260 UNDER WO 2067743.