What was found
PDX: LT OUTBOARD FLAP INBOARD EDGE NEXT TO NACELLE HAS A WORN SPOT 1/4" DIAMETER. MX CHAFE DAMAGE IS 4" LX, 35" W AND IS .014" MAX DEPT.MAPPED FOR ENGINEERING. HFEC INSP OF CHAFED AREA FOR CRACKS IAW Q400 NDTM PART 6, 51-00-02. NO CRACKS NOTED. PERFORMED DISBOND CHECK IAW 1-84-7Q, PT-1, 51-00-05. NO DISBOND NOTED. VERIFIED THAT CHAFE AREA IS BLENDED IAW EA 6-57-351 AND RD 8/4-57-559. HFEC INSP BLEND IAW 1-84-7A, PT-6, 51-00-02. NO CRACKS NOTED. UT THICKNESS CHECK IAW 1-84-7A PT-6, 51-00-02. NO CRACKS NOTED. UT THICKNESS CHECK IAW 1-84-7A, 51-00-04-ME .032, NIM .022. ALODINED, PRIMED AND PAINTED IAW EA 6-57-351 AND RD-8/4-57-559. REINSTALLED POLYURETHANE/ACRYLIC TAPE TO INBOARD LT FLAP AND EDGE SEALED WITH POLYU