As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YYC: FUSELAGE INTERIOR UNDERFLOOR, FUSELAGE FRAME STA X236, FRAME FWD SIDE WEB AND STR TIE CLIPS BETWEEN STR 28S-30S AND FRAME TO SKIN FLANGES AND AFT WEB BETWEEN STR 28S-29S AND 30S-31S HAVE CORROSION. MAINTENANCE REPAIRED IAW Q400 SRM 51-42-05-330-801, SRM 51-21-00-350-801, SRM 51-25-10-370-801 AND SRM 51-25-15-370-801.