What was found
LIGHTNING STRIKE ON FUSELAGE SKIN FASTENER BS 440 BETWEEN STR 20-21 RT. REMOVED FASTENER 321764 A. HEFC IAW NDT PART 6, 51-00-01. OK, NO CRACKS. OK TO TREAT/PAINT. OK TO INSTALL FASTENER. HFEC INSPECTED OPEN HOLE INSPECTION IAW NDT PART 6, 51-00-06 OK. INSTALLED BLIND BOLT IAW SRM 53-00-01, FIG 201 AND RI 535500-14 FASTENER REQUIRES REPEAT INSPECTIONS AT 1,000 FLIGHT CYCLES AND PERMANENT REPAIR REQUIRED WITHIN 24 MONTHS OR 3,000 FLIGHT CYCLES WHICHEVER COMES FIRST. ER/A 535500-14, SECTION I ISSUED FOR LIGHTNING STRIKE REPAIR AT BS 439 BETWEEN S-19R AND S-20R. FOLLOW ON ACTION IS REQUIRED. ACCOMPLISH SECTION II REPEAT INSPECTIONS AT 500 CYCLE INTERVALS UNTIL SECTION III. ACCOMPLISH SECTION III PERMANENT REPAIR AT THE NEXT C-CHECK, NOT TO EXCEED 24 MONTHS OR 3000 CYCLES. REDEFERRED LOG TO QC, ESTABLISH MONITOR INSPECTION, 20-0553-8-5532, SN 05815 REP SEC II, 20-0553-8-5533, SN 05815.