N8590X

Part: HOSE — FAILED (HYD SYSTEM) · airframe 8,203 hrs

PRESSURE HOSE FROM THE HYD PUMP TO AN AIRFRAME HAND LINE FAILED INTERNALLY IN FLIGHT CAUSING LOSS OF HYD FLUID. SCRAPPED.

Part: MOUNT — WORN (ENGINE) · airframe 8,366 hrs

IN SERVICE FOR 11 1/2 MONTHS. REMOVED DUE TO WEAR OF THE BEARING. ALSO NOTED THE TUBE INSIDE DIAMETER IS MUCH LARGER THAT THE FITTING OUTSIDE DIAMETER CREATING A LOOSE FIT BETWEEN THE TWO. CAUSES THE HI LOC TO BECOME OVERSIZED AND BEYOND LIMITS. SCRAPPED ENGINE MOUNT.

Part: RECEIVER — MALFUNCTIONED (LORAN) · airframe 7,491 hrs

UNABLE TO PUT IN A DIFFERENT WAYPOINT DUE TO KNOB OUT. PERFORMED PRELIMINARY INSPECTION. FOUND S202 SWITCH BROKEN AND RETAINER RING MISSING FROM END OF PULL SCAN KNOB SHAFT. REPLACED S202 SWITCH AND RETAINER RING. REPAIRED. BENCH CHECK GOOD.

Part: SUPPORT — MISMANUFACTURED (ENGINE)

OVERSPRAY ON 25/28 SEAL BORE. RECEIVING INSPECTION REVEALED EXCESSIVE SPRAY ON POWER TURBINE.

Part: LINER — CRACKED (ENGINE)

PART IS CRACKED. ENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED: CRACKED BEYOND SERVICEABLE LIMITS ON COMBUSTION LINER AS MARKED.

Part: CARBON SEAL — CORRODED (MATING SURFACE)

ENGINE REMOVED DUE TO CRACKED SCROLL. DISASSEMBLY INSPECTION REVEALED: PITTED BEYOND SERVICEABLE LIMITS ON CARBON SEAL MATING SURFACE. INSTALLED A NEW CARBON SEAL.

Part: MATING RING — CORRODED (NR 1 BEARING)

ENGINE REMOVED DUE TO CRACKED SCROLL. DISASSEMBLY INSPECTION REVEALED: PITTED BEYOND SERVICEABLE LIMITS ON MATING RING MATING SURFACE. INSTALLED A NEW MATING RING.

Part: BEARING — SPALLED (NR 1)

ENGINE REMOVED DUE TO CRACKED SCROLL. DISASSEMBLY INSPECTION REVEALED: SPALLING ON NR 1 BEARING ROLLER. INSTALLED A NEW NR 1 BEARING.

Part: SPUR GEAR — WORN (SPUR ADAPTER)

ENGINE REMOVED DUE TO CRACKED SCROLL. DISASSEMBLY INSPECTION REVEALED: STEP WEAR BEYOND SERVICEABLE LIMITS ON SPUR GEAR SHAFT AFT SPLINES. FAILED NO-GO GAUGE. INSTALLED A NEW SPUR GEAR.

Part: ACTUATOR — FAILED (DROOP COMP)

MOTOR RUNS BUT ACTUATOR FROZEN.

Part: ACTUATOR — FAILED (M/R)

ACTUATOR WORKS INTERMITTENTLY.

Part: TRANSMITTER — FAILED (FUEL SYS)

TRANSMITTER FLUCTUATES.

Part: PROBE — FAILED (FUEL SYS)

PROBE FLUCTUATES.

Part: LORAN — INOPERATIVE (COCKPIT)

LORAN TOTALLY INOPERATIVE. DOES NOT COME ON.

Part: ALTIMETER — STICKS (COCKPIT)

ALTIMETER STICKS INTERMITTENTLY AT 200 FEET AFTER SETTING ON GROUND.

Part: ANTENNA — BAD COAX (RADAR ALTIMETER)

RADAR ALT ANTENNA HAS BAD COAX.

Part: CYLINDER — LEAKING (SERVO)

CYLINDER LEAKING.

Part: TRANSMITTER — WONT CALIB (FUEL QTY)

UNABLE TO CALIBRATE FUEL SYSTEM PER BELL M & O. READS ON 200 LBS WHEN ADJUSTED FULL AND WILL NOT ZERO OR EMPTY.

Part: FLEXURE — FAILED (M/R GR BOX)

FLEXURE RUBBER PROTRUSION.

Part: FIN ASSY — SEPARATION (FIN TE)

FIN ASSY SEPARATED ON TRAILING EDGE AND CORRODED.

Part: HANGAR BRACKET — DAMAGED (TAIL BOOM)

AFT VERTICAL LEG OF HANGER BEARING SUPPORT HAS A HOLE DRILLED THROUGH THE EDGE OF PART.

Part: FLOAT BAG VALVE — UNBONDED (EMERG FLOAT)

FLOAT BAG ASSY DEFECTIVE DUE TO UNBONDED VALVE.

Part: ALTIMETER — ERROR (COCKPIT RADAR)

RADAR ALTIMETER READS 50% LOWER THAN PRESSURE ALTIMETER

Part: BATTERY — WEAK (DC SYS)

BATTERY WEAK. INSPECTED BY ACCESSORY SHOP AND FOUND BATTERY WILL NOT PASS CAPACITY TEST.

Part: INDICATOR — DEFECTIVE (COCKPIT)

LOOSE NUT IN WINDOW. FOUND BEZEL TO BE BROKEN. REPLACED BEZEL. REPAIRED. UNIT HAS NO SELF-TEST OR ALTITUDE READINGS. REPLACED I301 INTERGRATED CIRCUIT. FOUND AND REPAIRED BROKEN "GROUND" FOIL. REPAIRED. PERFORMED COMPLETE ALIGNMENT. BENCH CHECK GOOD.

Part: TRANSMISSION — MAKING METAL (M/R)

TRANSMISSION MAKING METAL. CAUSE OF METAL: BEARING SPALLED. REPAIRED AND REPLACED BEARING AND RETURNED AIRCRAFT TO SERVICE.