As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX: LT CENTER WING FUEL PANEL 522AT, 522BT, 522CT AND 523AT REBATES TOP SURFACE REQUIRES STRIPPING AND CLEANING FOR DVI AND ANCHOR NUT GANG CHANNELS REQUIRE REMOVAL FOR ACCESS. MAINTENANCE REPAIRED IAW Q400 SRM 51-42-05-330-801, SRM 51-40-15-330-801, SRM 51-25-40-370-801, SRM 51-42-05-330-801 AND SRM 51-40-15-330-801.