As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEVEL 2 CORROSION, LT WING, TRAILING EDGE REAR SPAR RIBLET WITH CORROSION AT RIB 19. PERFORMED REPLACEMENT REPAIR AT RIBLET M LOCATED AT LT WING TRAILING EDGE REAR SPAR AREA AT RIB 19 IAW SRM 57-51-12-300 -007 PARG 2.B REV 157. THIS TASK IS CATEGORY A WITH NO ADDITIONAL REQUIREMENTS. (LP: 1605436) AIRCRAFT WAS GROUNDED