What was found
EN ROUTE FROM BDL TO SJU - THE UPPER HALF OF THE NR 1 ENGINE OUTBOARD COWL DOOR PEELED OFF, LEAVING ITS LOWER HALF FIRMLY LATCHED IN PLACE ON THE NR 1 ENGINE. INSPECTION ON THE GROUND IN SJU, REVEALED BLOWN NOSE COWL ANTI-ICE DUCT SEALS, A 3 INCH BY 6 INCH OVAL ACCESS PLATE BLOWN FROM THE AFT BULKHEAD OF THE NOSE COWL, AND PYLON APRON DAMAGE. SUBMITTER STATES, THE PROBABLE CAUSE OCCURED WHEN THE ENGINE ANTI-ICE WAS APPLIED. THE NOSE COWL ANTI-ICE DUCT SEALS THEN BLEW. THIS PRESS BLEW THE OUTBOARD COWL DOOR. THE BLOWN ANTI-ICE DUCT SEALS WERE REPLACED, THE PYLON APRON WAS REPAIRED, AND THE COWLING DOOR WAS REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)