As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT FS640 SKIN DOUBLER FAILED NDT, FOUND CRACK .8 INCHES LONG. MAINTENANCE REPAIRED LT FS 640 SKIN DOUBLER BY CUTTING AWAY DAMAGED AREA OF SKIN DOUBLER. PERFORMED EDDY CURRENT INSPECTION, FABRICATED REPAIR PARTS AND INSTALLED IAW REO. (K)