What was found
ORD - FLT 1418 - DURING APPROACH TO ORD WHEN LANDING GEAR EXTENDED, NOSE LANDING GEAR DOOR LIGHT REMAINED ILLUMINATED WITH NO OTHER ABNORMAL INDICATIONS. AIRCRAFT LANDED ORD WITHOUT INCIDENT. REPLACED NOSE LANDING GEAR DOOR BULKHEAD SEAL DUE TO OLD SEAL TRAPPING WATER WHICH THEN FROZE AND MADE DOOR DIFFICULT TO OPEN OR CLOSE. ACCOMP NOSE LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)