What was found
EXTERIOR UPPER FUSELAGE STATION 700, BETWEEN STATION 3L & 4L HAS A DEEP BLENDED OUT AREA. CUT OUT DAMAGED SKIN, HFEC CUT SKIN & SURROUNDING HOLES. INSTALLED REPAIR DOUBLERS & FILLER IAW ECRA 5531-01609. PLANNING TO CONTACT ENGINEERING AFTER 22 MONTHS BUT BEFORE 23 MONTH TO ACCOMPLISH PERM REPAIR AT 24 MONTHS. REV A MF2188 TO TRACK INSPECTION IAW PART 2 STEP 1 REPEAT EVERY 12000C. CF9087 CREATED FOR ONE TIME CHECK IAW PART 2 STEP 2 AFTER 30000C BUT BEFORE 36000PTC CHANGED LIMIT CF9082 TO 44300PTC FOR RECHECK PT 2 STEP 3. ACCOMPLISHED MF2188 AT HMV4 ON NR40553 MAY 7 2014. ACCOMPLISHED HFEC OF REPAIR WITH NO CRACK INDICATIONS NOTED.