N761P

Part: BATTERY — OVERHEATED (ZONE 100) · airframe 7,244 hrs · 12,385 cycles

ON RETURN FLIGHT, SULFUR LIKE FUMES WERE COMING FROM THE AIR CONDITIONER VENTS. SMELL WENT AWAY WHEN THE AIR CONDITIONER IS TURNED OFF. LT SYS OFF & COMPLETED FLIGHT WITHOUT INCIDENT. INSPECTED ACFT & NOTICED ACFT BATTERY VERY HOT & THE SULFUR SMELL IS FROM BATTERY. REPLACED BATTERY, ALL CHECKED GOOD. ACFT RETURNED TO SERVICE.

Part: CONTROL SWITCH — MALFUNCTIONED (TRIM) · airframe 2,837 hrs

DURING TAKEOFF, AFTER RELEASING THE FORCE TRIM BUTTON AT (4), CYCLIC WOULD COME AFT. MAINTENANCE INSPECTED THE AIRCRAFT, CONNECTED A HYDRAULIC MULE AND WORKED ALL CONTROLS. THEY WERE UNABLE TO DUPLICATE THE DISCREPANCY.

Part: TRANSDUCER — FLUCTUATES (NR 2 ENGINE) · airframe 2,744 hrs

IN CRUISE FLIGHT AT 5000 FT IFR NR 2 ENGINE DECELLED THEN CAME BACK TO NORMAL. ENGINE OUT LIGHT, AUDIO BOTH CAME ON FOR ABOUT 1 SECOND DURATION. ENGINE RECOVERED. AFTER DESCENDING TO 2000 FT TO START APPROACH, AFTER ABOUT 20 SEC LEVEL AT 2000 FT. N1 ON NR 2 ENGINE AGAIN DROPPED 30, T5, TORQUE FLUCTUATED FOR ABOUT 5 SECONDS THEN STABILIZED AND REMAINED STABLE TILL LANDING. MAINTENANCE REPLACED TRANSDUCER.

Part: INVERTER — INOPERATIVE · airframe 2,625 hrs

APPROX 7 MILES EAST, AIRCRAFT HAD A COLLECTIVE TRIM FAILURE, THE FUEL ON THE NR 1 SIDE WENT TO ZERO AND THE IDS DISPLAY ON THE NR 1 SIDE FAILED, ALONG WITH A YELLOW FUEL LIGHT INDICATING ONLY 210 POUNDS OF FUEL ON BOARD. THE OAT GAUGE ON THE NR 2 IIDS DISPLAY TURNED AMBER. MAINTENANCE REPLACED INVERTER AND RADU -76450-01098-106.

Part: LINE — CHAFED (HYD SYSTEM) · airframe 2,570 hrs

DURING SHORT FINAL LANDING AT VK989, NR 1 HYDRAULIC LIGHT CAME ON. COMPLETED LANDING SAFELY ON DECK, SHUTDOWN. MAINTENANCE FOUND HYDRAULIC TUBE BELOW TAIL ROTOR GEARBOX TO HAVE A HOLE CHAFED IN IT. REPLACED TUBE ASSY.

Part: ROD END — WARNING LIGHT (MLG) · airframe 2,270 hrs

AFTER RAISING GEAR, RED LIGHT REMAINED ILLUMINATED. RETURNED TO HUM FOR LANDING. ADJUSTED EXPLOSIVE LINK ROD END REPLACED.

Part: HMU — INOPERATIVE (NR 2 ENGINE) · airframe 2,257 hrs

DURING ENROUTE DESCENT NR 2 FUEL PRESSURE LIGHT ILLUMINATED. NO SECONDARY NOTED. DIVERTED AND LANDED WITHOUT INCIDENT. DURING SUBSEQUENT START ATTEMPT FOR TROUBLESHOOTING, ENGINE WOULD NOT START. MAINTENANCE FOUND THE HMU TO BE AT FAULT. REPLACED HMU.

Part: STARTER GEN — FAILED (NR 2) · airframe 2,191 hrs

DURING CRUISE FLIGHT IFR, THE NR 2 GENERATOR FAILED. RETURNED TO HOUMA BP. MAINTENANCE REPLACED THE NR 2 STARTER GENERATOR.

Part: ROD END — OUT OF ADJUST (MLG DOOR) · airframe 2,143 hrs

UNSAFE GEAR RETRACT INDICATION WHEN ATTEMPTING TO RAISE GEAR AFTER TAKEOFF. PERFORMED EMERGENCY PROCEDURE. ADJUSTED DOOR LINK ROD END OUT ONE HALF TURN. OPS CHECK GOOD.

Part: WIRE — CHAFED (LIGHT SWITCH) · airframe 1,742 hrs

10NM SOUTH OF HOUMA THE AHRS LIGHT BLINKED, WITH A BURNING SMELL. RETURNED TO HOUMA. MAINTENANCE REPAIRED CHAFED WIRING TO THE COPILOTS OVERHEAD LIGHT SWITCH PANEL. THE OVERHEAD TRIM PANEL WAS ALSO TRIMMED TO PREVENT FURTHER CHAFING.

Part: GEARBOX — OVERSERVICED (MAIN TRANSMSN) · airframe 1,156 hrs

AFTER LEVEL OFF NOTED THAT MAIN GEARBOX OIL PRESSURE WAS STEADY AT 50 PSI WITH OCCASSIONAL DIPS TO 49 PSI. RETURNED TO HOUMA. MAINTENANCE FOUND THE TRANSMISSION TO BE OVERSERVICED. DRAINED THE FLUID LEVEL TO THE PROPER LEVEL. PRESSURE CHECKED GOOD ON CHECK FLIGHT.

Part: PROXIMITY SWITCH — OUT OF ADJUST (LANDING GEAR) · airframe 943 hrs

AFTER TAKEOFF RAISED GEAR, THREE GREEN GEAR LIGHTS EXINGUISHED, RED TRANSIT LIGHT EXTINGUISHED, RED LIGHT STARTED BLINKING EVERY 3 TO 5 SECONDS. PERFORMED LANDING GEAR UNSAFE EP, RECEIVED THREE GREEN LIGHTS. LANDED AT HBP WITHOUT INCIDENT. RESET THE GAP ON THE PROXIMITY SWITCH TO SPECIFICATIONS.

Part: ACTUATOR — INOPERATIVE (YAW) · airframe 537 hrs

DURING CRUISE FLIGHT, THE AIRCRAFT STARTED FISH TAILING. RETURNED TO DEPARTURE. MAINTENANCE REPLACED THE NR 1 AFCS YAW ACTUATOR.