As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SETTLEMENT AREA OF ACCESS PANEL 521AT AT LH WING. SETTLEMENT AREA OF ACCESS PANEL 521AT AT LT WING (LT SIDE FRAME HOUSING LANDING P/N: CC670-12111-5) WAS EVALUATED OUT OF LIMITS PER SRM 57-41-01-101-001-A01 REPLACED PER CRJ900 SRM 51-42-06-001-001-A01.