As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON MATING SURFACES OF LT WING REAR SPAR (AFT SURFACE) COMMON TO RETRACTION JACK FITTING AROUND HOLE NR 80. CORRECTIVE ACTION: PERFORMED INSP WITH REPETETIVE INSP MON PUT IN PLACE. ER/A 588446-14AD REV ORIGINAL. OK FOR CONTINUED SERVICE.