What was found
RIGHT HORIZONTAL STAB, STATION 138.70 INBD RIVET ROW, BETWEEN NR 8 & 9 RIVET, FROM AFT SIDE OF LOWER SKIN, FOUND CRACK INDICATION. CONFIRMED CRACK TO BE 1/2" IN LENGTH. LOWER INSPAR SKIN AT STATION 138.70 HAS BEEN REPAIRED IAW SRM. COMPONENT FC FOLLOWED BY REPEAT INTERVALS AT 55-10-01 REP 11. STATION 147.90 REPAIR DIP CLOSED & INSPECTION DATA EVERY 9000 FC BY DVI & LFEC IAW SRM 55-10-01 REPAIR 11 ADDED TO THIS DIP. BOTH CRACKED AREAS ARE NOW COVERED BY ONE COMMON DOUBLER. INSPECTION THRESHOLD AT 56000 FC TOTAL COMPONENT TIME & REPEAT EVERY 9000 FC THEREAFTER. DIP 95942.