As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, LT WING O/B AILERON INTERNAL RIB CRACKED (11TH) FROM O/B. REMOVED AILERON INTERNAL RIB CRACKED 11TH FROM O/B IAW B727 SRM 51-30-2, FABRICATED NEW RIB 11TH FROM MAT 7075-T6 .025 PO 9912281 DIM 14.125 X 5.5 INCH IAW B727 SRM 57-20-2 FIG 8. TREATED AND PRIMED IAW B727 SRM 51-10-2, INSTALLED NEW WEB 11TH IAW B727 SRM 51-30-2.