NPARTO

Part: TURBINE WHEEL — OUT OF TOLERANCE (ENGINE)

FOUND FLOW AREA BELOW MIN. EFA 5.770. RETURNING PART TO VENDOR FOR WARRANTY CREDIT.

Part: TURBINE WHEEL — OUT OF TOLERANCE (ENGINE)

FOUND FLOW AREA BELOW MIN. RETURNING PART TO VENDOR FOR WARRANTY CREDIT.

Part: CASTING — CRACKED (HORIZONTAL STAB) · airframe 2,092 hrs

HORZ STAB WAS REMOVED FOR DAMAGE TO BOOM ASSY. WHEN FIN ASSY WAS REMOVED TOP AFT 5.

Part: NOZZLE — MISMANUFACTURED (ENGINE)

OMEGA RING GROOVE MEASURED AT .021 INCH BELOW SERVICABLE LIMIT OF .100 RETURNED PART TO VENDOR FOR WARRANTY CREDIT.

Part: COUPLING — GALLED (N1)

N1 COUPLING FOUND TO HAVE INTERNAL SPLINES GALLED ON INSPECTION.

Part: COUPLING — DEFECTIVE (ENGINE)

N1 COUPLING FOUND TO HAVE INTERNAL SPLINES DAMAGED ON INSPECTION. RETURNED PART TO VENDOR FOR WARRANTY CREDIT.

Part: FUEL NOZZLE — DEFECTIVE (ENGINE)

NEW PART CAUSED FUEL NOZZLE TO STREAK ON FINAL TEST AFTER INSTALLATION. REMOVED AND REPLACED.

Part: COUPLING — GALLED (ENGINE)

N1 COUPLING FOUND TO HAVE INTERNAL SPLINES GALLED. RETURNING PART TO VENDOR FOR WARRANTY CREDIT.

Part: COUPLING — GALLED (ENGINE)

N1 COUPLING FOUND TO HAVE SPLINES GALLED ON INSPECTION. RETURNED PART TO VENDOR FOR WARRANTY CREDIT.

Part: COUPLING — GALLED (ENGINE)

N1 COUPLING FOUND TO HAVE SPLINES GALLED ON INSPECTION. RETURNED PART TO VENDOR FOR WARRANTY CREDIT.

Part: WINDSHIELD — CRACKED (COCKPIT)

UPON STOCKING OF PART,FOUND DAMAGE(CRACKED AREA) ON WINDOW EDGE. SENT PART TO VENDOR FOR WARRANTY CREDIT.SUBMITTED BY:PRESTON BARZARE

Part: VOLT REGULATOR — INOPERATIVE (NR 1 GENERATOR)

NR 1 GENERATOR VOLT REGULATOR IS INOPERATIVE.

Part: ACTUATOR — INOPERATIVE (STEP)

LT STEP WON'T COME UP. REPLACED STEP ACTUATOR.

Part: INDICATOR — READS LOW (FUEL QTY)

RT FUEL INDICATOR READING 100 POUNDS LOW.

Part: GEARSHAFT — CORRODED (GEARBOX)

GEARSHAFT HAS CORROSION ON SURFACE OF GEAR.

Part: SHROUD — MISMANUFACTURED (FUEL NOZZLE) · airframe 7,914 hrs

FOUND PART TO BE MACHINED WRONG. RETURNED PART TO MANUFACTURER. FOR WARRANTY CREDIT.

Part: MOUNT — MISMANUFACTURED (COMPRESSOR) · airframe 8,165 hrs

FOUND MOUNT PADS HEIGHT DIMENSION UNDER LIMITS.

Part: MOUNT — MISMANUFACTURED (COMPRESSOR) · airframe 7,492 hrs

FOUND MOUNT PAD MEASURING BELOW MIN. LIMITS.

Part: NOZZLE — FLAKING (TURBINE)

FOUND METAL FLAKING OFF ON 1ST STAGE BLADE PATH.

Part: NOZZLE — MISMANUFACTURED (ENGINE)

TROUBLESHOOTING LOW POWER ON TEST CELL. FOUND 1ST STG. NOZZLE MATING SURFACE MEASURING UNDER PRINT DIMENSION. ACTUAL DIM: .610

Part: PINION GEAR — SPALLED (GEARBOX) · airframe 9,260 hrs

HEAVY SPALLING ON DRIVE SIDE OF PINION GEAR TEETH CAUSING METAL IN OIL.THIS IS A REOCCURRING EVENT. VENDOR NEEDS TO UPGRADE THEIR QUALITY CONTROL ON GEAR MATERIAL AND FABRICATION OF GEARS.

Part: COUPLING — GOUGED (TURBINE)

FOUND N1 COUPLING INTERNAL SPLINES CHIPPED/GOUGED AND O.D. RUSTED.

Part: BEARING RACE — CORRODED (PT SHAFT)

FOUND CORROSION PITTING ON INNER POWER TURBINE SHAFT BEARING RACE.

Part: COUPLING — GOUGED (ENGINE)

FOUND SPLINES DAMAGED FROM MAUFACTURING PROCESS OF N1 COUPLING.

Part: COUPLING — GOUGED (ENGINE)

FOUND GOUGES ON CROWNS OF SPLINES OF N1 COUPLING, NEAR ADAPTER MATING SURFACE.

Part: COUPLING — GOUGED (TURBINE)

FOUND DEEP GOUGES ON SPLINES OF N1 COUPLING ON POWER TURBINE.

Part: BEARING RACE — CORRODED (TURBINE)

FOUND CORROSION PITTING ON POWER TURBINE SHAFT INNER RACE.

Part: SHAFT — DEFECTIVE (GEARBOX)

ON INSTALLATION GEARSHAFT WOULD NOT FIT INSIDE OIL PUMP DRIVE GEAR.

Part: COVER — DEFECTIVE (FUEL CONTROL)

ON ASSEMBLY FOUND COVER LEAKING EXCESSIVE. REMOVED.

Part: COVER — DEFECTIVE (FUEL CONTROL)

ON ASSEMBLY FOUND COVER LEAKING EXCESSIVE. REMOVED.

Part: NOZZLE — MISINSTALLED (2 ND STAGE)

NEWLY OVERHAULED 2ND STAGE NOZZLE. DIAPHRAGM IS IMPROPERLY POSITIONED, FORWARD TO AFT FLANGEDIM. OUT OF LIMITS AND INTERSTAGE SEAL IMPROPERLY SPRAYED. RETURNED FOR REPAIR.

Part: NOZZLE — MISINSTALLED (2ND STAGE)

NEWLY OVERHAULED 2ND STAGE NOZZLE. DIAPHRAGM IS IMPROPERLY POSITIONED AND FOWARD TO AFT FLANGE OUT OF LIMITS. RETURNED FOR REPAIR.

Part: WHEEL — MISMANUFACTURED (TURBINE SECTION)

THIS IS A NEW PART. PART CAN NOT BE DYNAMIC BALANCED, DUE TO BEING TOO HIGH OUT OF BALANCE AND OFF SCALE ON THE X10 SCALE AND ON UPPER SCALE.

Part: HOUSING — CORRODED (OIL PUMP)

OIL PUMP HOUSING HAS CORROSION IN FWD AND AFT GEAR BORES, AND OIL PORT.

Part: FORK — DAMAGED (NLG)

FOUND RADIAL SCORING IN STRUT BARREL OF NLG FORK APPROX. .003 INCH DEEP.