What was found
C4 - PDX CABIN UNDER FLOOR CENTER AT FRAME X488.50 AND STRINGER 32R THERE IS CORROSION ON THE STRINGER CLIP SPLICE. REPAIRED IAW DHC8 SRM 51-20-11, 51-20-26 AND SRM 51-40-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
C4 - PDX CABIN UNDER FLOOR CENTER AT FRAME X488.50 AND STRINGER 32R THERE IS CORROSION ON THE STRINGER CLIP SPLICE. REPAIRED IAW DHC8 SRM 51-20-11, 51-20-26 AND SRM 51-40-11.