What was found
PDX C4 SUSPECTED CORROSION AROUND RIVET ON FRAME TO SKIN AT APPROXIMATELY X312.350 BETWEEN STRINGER 28R AND 27R UNDER FLOOR. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-40-11 AND 51-20-41.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX C4 SUSPECTED CORROSION AROUND RIVET ON FRAME TO SKIN AT APPROXIMATELY X312.350 BETWEEN STRINGER 28R AND 27R UNDER FLOOR. REPAIRED IAW DHC-8-200 SRM 51-20-11, 51-40-11 AND 51-20-41.