What was found
ONE CRACK FOUND AT THE RIGHT-HAND HORIZONTAL STABILIZER LOWER INSPAR SKIN AT STA 157.10 17" FWD FROM REAR SPAR I/B OF DRAIN HOLE , CRACK LENGTH IS 0.787" . REF. AAR N/R:9644947 HOLE , CRACK LENGTH IS 0.787" . REF. AAR N/R:9644947.REQUIRES CYCLE INTERVALS (EXTERNAL).EXTERNAL LOW FREQUENCY EDDY CURRENT 56,000 FLIGHT CYLCES. REPEAT INSPECTIONS: DETAILED VISUAL INSPECTION AT 9,000 FLIGHT (LFEC) INSPECTION AT 9,000 FLIGHT CYCLE INTERVALS. THRESHOLD IS ONE CRACK FOUND AT THE RIGHT-HAND HORIZONTAL STABILIZER LOWER INSPAR SKIN AT STA 157.10 17" FWD FROM REAR SPAR I/B OF DRAIN