What was found
DURING OVERNIGHT CHECK AT MEX STATION, IT WAS DETECTED DAMAGES AT RIGHT ENGINE THRUST REVERSER INNER WALL ACOUSTIC PANEL. MAINTENANCE PERSONNEL PERFORMED A REVISION, DETECTING THE RIGHT ENGINE AT BOTH THRUST REVERSERS INNER WALL ACOUSTIC PANELS LEADING EDGE WITH DELAMINATIONS OF 1.0" LENGTH AND 0.500" WIDTH AND 0.750" LENGTH AND 0.500" WIDTH AT 12:00 HOURS POSITION. THE WO´S 7340437 AND 7340438 WERE ISSUED TO REPAIR THE DAMAGES DETECTED; UT-TT AND UT-PE INSPECTIONS FOR DELIMITING DELAMINATED AREAS WERE PERFORMED IAW B787 NDTM PART 4, 51-00-02/03; DAMAGES WERE REMOVED IAW SRM B787-A-51-13-02-01A-280A-A; UT-TT AND UT-PE INSPECTIONS AROUND TRIM OUT EDGE WERE PERFORMED IAW B787 NDTM PART 4, 51-00-02/03; RIGHT ENGINE ON BOTH LEADING EDGE ON THRUST REVERSERS WERE PERMANENT SEALED AS PERMANENT REPAIR IAW MESSAGE COLLINS NUMBER CV21-03347 AND DETAIL VISUAL INSPECTIONS OF BOND PANELS SURFACE WITHIN 3" RADIUS OF DAMAGES CUTOUT WERE PERFORMED IAW MESSAGE COLLINS NUMBER CV21-03347, ALL CORRECT.