What was found
LEFT FRAME 16, HOLE NR 4 REPAIRED ON NR 3576/9290576. LT FRAME 16 HOLE NR 4 REPAIRED IAW 53-11-12-300-012. CRACK WAS FOUND DURING THE ISBS REF FIG 1 SHT 1 STEP 2. CRACK FOUND IN FRAME LAYER PER FIG 002 REF FIG 1 SHT 1 STEP 3. CRACK WAS FOUND WITHIN CONCERNED LAYER PER FIG 003 REF FIG 1 SHT 1 STEP 4. HOLE 4 WAS FOUND AT ORIGINAL NOMINAL DIAMETER OF .3110 IAW FIG 004 REF FIG 1 SHT 1 STEP 5. DAMAGE FOUND AT LH FR16 HOLE 4 REF FIG 1 SHT 1 S TEP 7. FIRST OVERSIZED HOLE TO A DIAMETER OF .3270, DEFECT STILL NOTED. 2ND OVERSIZED HOLE 4 TO A DIAMETER OF .3420 REF FIG 1 SHT 1 STEP 9. PERFORMED ROTO PROBE INSP, HOLE 4 FOUND DEFECT FREE AT A DIAMETER OF .3420 REF FIG 1 SHT 2 STEP 12-13. ASSOCIATED HOLE AS HOLE 3, HOLE FOUND TO HAVE A NOMINAL DIAMETER OF .2500, NOT OVERSIZED REF FIG 1 SHT 2 STEP 21-22. HOLE 4 IDENTIFIED AS LEADER HOLE, AND HOLE 3 IDENTIFIED AS ASSOC IATED HOLE REF FIG 1 SHT 2 STEP 24.