What was found
DURING OVERNIGHT CHECK AT MEX STATION, IT WAS DETECTED DENT ON LEFT T/R IFS INNER WALL ACOUSTIC PANEL. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING A DENT OF 1.125" DIAMETER, 0.021" DEPTH ON LEFT T/R IFS INNER WALL ACOUSTIC PANEL, AT LOWER BIFURCATION OF 44" FROM THE TRAILING EDGE AND 12" FROM THE LOWER EDGE OF LEFT ENGINE; THE WO´S 7206767, 7209388 AND 7209398 WERE ISSUED TO REPAIR THE DAMAGES DETECTED; A DENT WAS FOUND OUT OF LIMITS IAW SRM B787-A-54-31-01-05B-661A-A, PARAGRAPH 4, TABLE 3, FIGURE 8; A ULTRASONIC INSPECTION WAS PERFORMED IAW B787 NDTM PART 4 51-00-03, WITHOUT DISBONDS AND DELAMINATIONS; A TAP TEST INSPECTION ACCOMPLISHED IAW COLLINS MESSAGE NUMBER CV20-14461 AND SRM B787-A-54-31-01-05B-661A-A, NO DISBONDS NOR DELAMINATIONS FOUND; A DETAILED VISUAL INSPECTION WAS ACCOMPLISHED IAW COLLINS MESSAGE NUMBER CV20-14461 AND SRM B787-A-54-31-01-05B-661A-A, NO MORE DAMAGES FOUND AND A PERMANENT REPAIR SHOULD PERFORM OF THE DAMAGE AT A MAXIMUM OF 4000 FC IAW COLLINS MESSAGE NUMBER CV20-14461, ALL CORRECT.