What was found
C4-CHECK - LT NACELLE TAIL PANEL, 414AR THE THIRD FRAME AFT FROM THE FWD EDGE IS CHAFED SEVERELY AT THE UPPER END. BLENDED OUT MINOR CHAFE IAW D8 Q400 SRM 51-14-00, PG 201, PARA 1-5B, STEP 2. MEASURED, BLEND MATERIAL REMOVED. ALODINED AND PRIMED IAW D8 Q400 SRM 51-21-10 AND 51-25-10. (K)