What was found
EA21-C7-53-287_REV-D (PERM REPAIR - FUSELAGE SKIN PANEL - FS509, STR16L) 1.WITHIN 1,500 FLIGHT HOURS AFTER SECTION I, ACCOMPLISH A PERMANENT REPAIR ATDISCREPANT AREA INACCORDANCE WITH APPROVED PROCEDURES.2. PERFORM ULTRASONIC THICKNESS (UT) INSPECTION PER NDTM PART 1 51-20-004 TODETERMINE THE REMAININGMATERIAL THICKNESS OF THE REWORKED AREA. PROVIDE UT RESULTS TO PSA ENGINEERING FORPERMANENT REPAIRSUBSTANTIATION.A) THIS STEP IS REQUIRED REGARDLESS IF DENT IS REWORKED BACK INTO CONTOUR TOSUBSTANTIATE THE PERMANENTREPAIR.