What was found
(MAJOR REPAIR) (AIRCRAFT NOT GROUNDED) NRC 1000-0057 : THIS NRC WAS OPEN TO DOCUMENTED EVERY STEP PERFORMED ON LH SIDE BOX BEAM FLANGE IN S 15 FR 43 AREA AS PER SB A320-53-1251 REV 08 TO COMPLY WITH ALLEGIANT ERO A32X-STR-53ERO-00649. A32X-STR-53-ERO-00649 REV P2 - N293NV-AAR-FR43 SIDE BOX BEAM CRACKED FASTENER HOLE LH (AD2020-02-20), SBA320-53-1251 REV 08 ACCOMPLISHED. SEE AWS AND NDT REPORTS FOR STEP DETAILS OF WORK. PERMANENT REPAIR NO ADDITIONAL REQUIREMENTS.