What was found
DURING HEAVY MAINTENANCE VISIT, FOUND RIGHT OUTBOARD WING MAIN WING BOX LOWER SKIN CORROSION AT WS 440. REPAIRED PER ECO NR 1684 R7. AIRCRAFT RETURNED TO SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE VISIT, FOUND RIGHT OUTBOARD WING MAIN WING BOX LOWER SKIN CORROSION AT WS 440. REPAIRED PER ECO NR 1684 R7. AIRCRAFT RETURNED TO SERVICE. (M)