What was found
PDX - REAR FUSELAGE TAIL CONE INTERNAL TOP STRUCTURE FRAME FOUR CASTELLATION IS CRACKED AT STRINGER 4R. REPAIRED IAW DHC-8 RD 8-55-199.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - REAR FUSELAGE TAIL CONE INTERNAL TOP STRUCTURE FRAME FOUR CASTELLATION IS CRACKED AT STRINGER 4R. REPAIRED IAW DHC-8 RD 8-55-199.