What was found
PDX - C4 CHECK - LEFT AILERON TOP SURFACE LEADING EDGE IS WORN FROM CHAFE WITH SEAL INBOARD OF INBOARD HINGE. REMOVED LEFT AILERON TOP SURFACE IAW CRJ SRM. INSTALLED NEW TOP SURFACE TO LEFT AILERON IAW CRJ 700 SRM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - C4 CHECK - LEFT AILERON TOP SURFACE LEADING EDGE IS WORN FROM CHAFE WITH SEAL INBOARD OF INBOARD HINGE. REMOVED LEFT AILERON TOP SURFACE IAW CRJ SRM. INSTALLED NEW TOP SURFACE TO LEFT AILERON IAW CRJ 700 SRM.