What was found
UPON OPENING OF THE NR 1 ENGINE NACELLE, MX FOUND THE LOWER LPT COOLING MANIFOLD BROKEN AT SEVERAL LOCATIONS. REFER TO FIG 1 FOR DAMAGE LOCATION AND DETAILS. DUE TO PRESENCE OF CRACKS AROUND THE LPT COOLING MANIFOLD WAS OVER LIMITS WITH AMM 75-24-00, SUBMITTED THE PRE-EXISTING CONDITION TO GE AND PROPOSED TO CONTINUE THE ENGINE IN SERVICE "AS IS" FOR 5 FLIGHT CYCLES AFTER WHICH THE DAMAGED PART WILL BE REPAIRED AND/OR REPLACED. NOTE THAT THE SUBJECT ISSUE HAD BEEN COMMUNICATED WITH VIA SR NR 7-1-2589025022. (DISPOSITION IS TO INSPECT THE LPT COOLING MANIFOLD AREA WHERE THE CRACKS WERE FOUND FOR ANY DISTORTION/BURN MARK FOUND ON THE CASES, TUBING AND COMPONENTS ETC., IF NO DAMAGE IS FOUND APPLY THE FIBERFLECT TAPE. WITHIN 5 FLIGHT CYCLES REPLACE THE DAMAGED LPT COOLING MANIFOLD WITH A SERVICEABLE ONE.)