What was found
EO DOCUMENTS A MAJOR REPAIR. DURING D-CHECK, DAMAGE WAS FOUND TO 1 FASTENER COUNTERSUNK TO A DEEPER PROFILE (0.730"/100 DEGREE) BEYOND OHM REQUIREMENTS OF THE ORIGINAL DESIGN DIMENSION ( 0.645-0.675" /100 DEGREE REF FIG 1) OF NR 8 FLAP TRACK (PN:65B17061-116, SN:3219, POSTED SB747-27A2398). PERMANENT REPAIR WAS PERFORMED AS DESCRIBED IN PART 1 WORK INSTRUCTIONS IAW THE OHM 27-51-81 FIG 410 REF SERVICE REQUEST 1-1247645633. ENGINEER'S REMARKS/SUBSTANTIATION: A) 747 OHM 27-51-81 FIGURE 410. SERVICE REQUEST 1-1247645633.