As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH MLGWW, MATING STRUCTURE FOR PANEL 542AZ HAS SURFACE CORROSION AND MULTIPLE RUSTED NUT PLATES. (C-CHECK) RO 2/6/2021 REMOVED AND REPLACED NEW P/NC670-10338-1 ON LH MLGWW, MATING STRUCTURE FOR PANEL 542AZ REF CRJ700 SRM 51-42-21-001-001-A01 AND DWG CC670-10338 REV -A. COMPLIED WITH FORM 337, COMPLIED 51-900-1002-SKY