As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNDERNEATH INBD AILERON PCA ACCESS PANEL 661BB, FWD ATTACHMENT RAIL IS CORRODED BETWEEN PCA REACTION LINK ASSEMBLIES. R & R SEAL RETAINER IAW SRM 51-40-02. FABRICATED FROM 7075 T6 032 CLAD AFTER PO 0037486. CORRODED, EXACT FS & BS LOCATION ON ACFT FROM 484 TO 484. ACFT WAS GNDED.