What was found
YYC: FUSELAGE INTERIOR UNDERFLOOR, FRAME TO STR TIE CLIPS AT STA X48 AT STR 28S, 29S AND 30S HAVE CORROSION. MAINTENANCE REPAIRED IAW Q400 SRM 51-42-05-330-801, SRM 51-21-00-350-801, SRM 51-25-10-370-801, SRM 51-25-15-370-801 AND SRM 51-42-05-330-001.