What was found
DURING A ROUTINE TRAINING FLIGHT, THE CREW REPORTED NR 1 ENGINE WILL NOT PRODUCE FULL POWER. DURING THE SCHEDULED ENGINE INSPECTION (EMMA NR 5) A SECTION OF BLEED AIR DUCTING WAS IDENTIFIED AS THE CAUSE. UPON FURTHER INSPECTION OF THE REMOVED DUCTING WAS NOTED THE CONTAINMENT SCREEN WAS DETERIORATED AND THE EXPANSION JOINT HAD A HOLE WORN THROUGH AT THE ACCORDIAN JOINT. REMOVED AND REPLACED THE AFFECTED DUCTING ASSEMBLY. (M)