What was found
CRACKS ON ACCESS PANEL 6404A OF VERTICAL STABILIZER. (SM) (CARD 56 - ZONE 00). CRACK WAS STOPPED IAW SRM 55-01, FIG 2 AND 51-01, PAR 21. FABRICATED AND INSTALLED NEW DOUBLERS IAW SRM 55-01, FIG 2, 51-30-2, INSP WAS ACCOMPLISHED AFTER STOP DRILL AND NO CRACKS WERE FOUND IAW SRM 51-01, STEP 86 B AND NDC SPM 06-10-01. 001, NEW DOUBLER WAS TREATED AND PAINTED IAW SRM 51-10-3, PAR 21 AND 14.