As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YIP - PER AD 66-04-02 INSPECTION,RIGHT WING NR 3 EXHAUST AREA. THREE INCH LONG SUBSURFACE RP/UT CORROSION/CRACK INDICATION IN PLANK 5 AT 4/5 PLANK JOINT, RWS 199-202. ROUTED OUT CRACKED AREA, RWS 198 TO RWS 202, PER SB620. REPAIRED PER ZIA DRAWING F25-R05. (M)