As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMV3, AFT CARGO STA 1309 L27L-27R CORROSION ON FRAME. FOUND FRAME STA 1309 L27-27L TO BE OUT OF LIMITS DUE TO EXFOLIATION IAW SRM 51-10-3. REMOVED AND CUT FRAME BTW L25R-26R AND L25L-26L. DRILLED, TRIMMED AND INSTALLED FRAME REPAIR PARTS IAW SRM 53-03D FIG 2A.