What was found
(CAN) DURING THE REPLACEMENT OF THE IGB, INTERMEDIATE GEARBOX, SEAL, DUE TO LEAKAGE, THE LIP SPRING WAS FOUND ON THE INPUT SHAFT, INSIDE THE IGB, INSTEAD OF SITTING ON THE SEAL`S LIP ITSELF. NEW SEAL WAS INSTALLED AND INPUT SHAFT REMOVED AND REINSTALLED A FEW TIMES TO CONFIRMED THE SPRING REMAINED ON THE SEAL`S LIP. ACFT RETURNED TO SERVICE.