As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LEFT WING INBOARD FLAP LOWER SKIN FROM WS50.498- WS100.009. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED DAMAGED SECTION ON LEFT WING INBOARD FLAP LOWER SKIN FROM WS50.498 WS100.009. CUTOUT DIMENSIONS L= 29.700X W= 21.250. RESTORED SURFACE PROTECTIVE FINISH. PERFORMED HFEC WITH NO INDICATIONS. ALL WORK WITHIN LIMITS PERFORMED IAW EA AWAC-CRJ257-01943 REV IR,