As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MBV INSPECTION, QA FOUND CORROSION ON FR 22 AROUND LOWER NUT PLATE HOLE. AIRCRAFT WAS REMOVED FROM SERVICE FOR MBV INSPECTION AND WILL BE RETURNED TO SERVICE AFTER MBV INSPECTION. REPAIRED FR 22 CORROSION AROUND LOWER NUT PLATE HOLE IAW SRM 53-00-04 RE STEP 16. AIRCRAFT WILL BE RETURNED TO SERVICE AFTER MBV INSPECTION.