What was found
DURING HIDDEN DAMAGE INSPECTION OF WINGS, RT CHANNEL FOUND BAD. PART REPLACED AND WING RETURNED TO SERVICE. RECOMMEND BETTER HEAT TREATING AND CORROSION PROTECTION DURING MANUFACTURE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HIDDEN DAMAGE INSPECTION OF WINGS, RT CHANNEL FOUND BAD. PART REPLACED AND WING RETURNED TO SERVICE. RECOMMEND BETTER HEAT TREATING AND CORROSION PROTECTION DURING MANUFACTURE.