What was found
DURING APPROACH, HAD A SOCK ODOR, TURND OFF THE NR 1 PACK, AND SMELL DISSAPATED. IAW TSM 05-50-00, IDENTIFIED THE NR 1 ENGINE WAS THE CAUSE OF THE ODOR. FOUND DEOILER SEAL LEAKING. R & R THE SEAL AND MATING RING IAW AMM 72-60-318-72-60-29. ACCOMPLSIHED A DECONTAMINATION OF ENVIROMENTAL CONTROL SYS IAW AMM 21-00-008. NR 1 ENGINE RUNS IAW 71-00-00, ALL CHECKED NORMAL./