What was found
PDX: RT CENTER WING FUEL PANEL 622AT, 622BT, 622CT AND 623AT REBATES TOP SURFACE REQUIRES STRIPPING AND CLEANING FOR DVI AND ANCHOR NUT GANG CHANNELS REQUIRE REMOVAL FOR ACCESS. MAINTENANCE REPAIRED IAW Q400 SRM 51-26-10-150-801, SRM 51-26-00-110-801, SRM 51-25-40-330-801, SB 87-57-10, AND SRM 51-40-15-330-801.