What was found
DURING CLIMBOUT, FLIGHT CREW DETECTED A BURNING ODOR. NO SMOKE NOTED. ODOR DISSAPATED AFTER FIVE MINUTES. FOUND RESIDUAL HYD FLUID NEAR THE APU INLET WITH NO LEAKS FOUND. THE APU INLET WAS CLEANED AND THE DUCT BURNOUT WAS COMPLETED IAW WC 4950-2215. THE COALESCER BAGS WERE ALSO REPLACED. EXCESS PARKER LUBE NOTED ON THE WATER SEPARATOR PACKINGS. THE WATER SEPARATORS WERE ALSO CLEANED WITH NO FURTHER ODOR NOTED AFTER MX WAS PERFORMED. THE ACFT WAS RETURNED TO SERVICE.