As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STA 300 LOWER LOBE FRAME, 3 EXTRA HOLES WERE DRILLED AND PLUGGED INTO THE 141U1021-21 DOUBLER AND 1 OF THE EXTRA HOLES IS COMMON TO THE 141U1021-9 FRAME AT THE STR 27A 4H CLIP LOCATION. LOCATED AND DRILLED NEW -9 FRAME, DISCREPENT HOLES NOT DRILLED IN NEW FRAME. FRAME PER SERVICE BULLETIN 747-53-2272 REV 18 AND DRAWING 624110003 SH 3A, 4D.