What was found
'NO FLIGHT' - FOUND DURING 'HEAVY C-MAINTENANCE CHECK' AT TIMCO HEAVY MAINTENANCE FACILITY (WINSTON/SALEM, NC). SIX INCH GOUGE ON MCD CUT OUT, AFT DOUBLER BS 650, STR S13L TO STR S15L. REPAIRED GOUGE IAW RFTS N180AX-18-20564 AND 8110-3, DATED 11-1-99. AIRCRAFT WAS RETURNED TO SERVICE. (X)