What was found
DISCREPANCY: DURING A ROUTINE MAINTENANCE CHECK, BULGING SKIN WAS DISCOVERED ON SKIN LAP BS 320 TO 330, STRINGER S19L. CORRECTIVE ACTION: ACCOMPLISHED FUSELAGE SKIN REPAIR AT BS 320 TO 330. S19L IAW B727 SRM 53-30-3, FIGURE 5 AND AVITAS ENGINEERING ORDER FASI-001R01, 8110-3 ISSUED OCTOBER 2, 2000. THE AIRCRAFT WAS RETURNED TO SERVICE.