What was found
DURING HMV, A CRACK WAS FOUND OF 0.046" OF LENGTH ON FUSELAGE SKIN OF THE FWD CARGO COMPARTMENT AT THE UPPER FWD DOOR JAMB CORNER STA Y=374 AND BTW LONGERONS 20 RT AND 21 RT. DAMAGE AREA WAS TRIMMED OUT AND FILLER, DOUBLER, AND TRIPLER WERE INSTALLED IAW ER/A 506630-14AD REV ORIG.