As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - MOD - THE MOUNTING PLATE FOR THE INBOARD AFT PORTION OF THE HORSE COLLAR ON THE RT ENGINE MOUNT STRUCTURE IS CRACKED APPROX .5 INCH FROM THE BOTTOM OF THE PLATE. CUT OUT DAMAGED AREA AND FABRICATED REPAIR SPLICE AND SEGMENT PER Q400 RD 8/4-54-289. FABRICATED, LOCATED, DRILLED AND DIMPLED REPAIR SPLICE AND SEGMENT IAW Q400 RD 8/4-54-289. INSTALLED REPAIR IAW Q400 RD 8/4-54-289.