What was found
CRACKS NOTED AT STA 727B, LBL 24.75 INBD FLANGE AFT HOLE AND OTBD AFT HOLE, 2 EA. ACFT GROUNDED. REPAIRED MAIN CABIN SEAT TRACK AT BS 727B, LBL 24.75 INBD AND OTBD FLANGE IAW EA SB737-53-1296-NG-123, REV NEW AND REO G18740, REV B, THIS IS A CATEGORY A REPAIR, NO FURTHER ACTION REQUIRED.