N223AM

Part: TRANSMISSION — MAKING METAL (MAIN ROTOR) · airframe 3,928 hrs

XMSN CHIP LIGHT CAME ON DURING CRUISE FLIGHT.

Part: ENGINE — MAKING METAL · airframe 3,800 hrs · 10,629 cycles

ENGINE CHIP LIGHT CAUTION ILLUMINATED DURING FLIGHT. PILOT MADE A PRECAUTIONARY LANDING ON THE SIDE OF INTERSTATE 15. MECHANIC INSPECTED THE ENGINE CHIP DETECTORS. ON THE FWD R/H CHIP DETECTOR, A VERY SMALL METALLIC SLIVER WAS FOUND. CLEANED CHIP DETECTOR AND HAD THE PILOT PERFORM A 10-MINUTE PENALTY GROUND RUN. UPON SUCCESSFUL GROUND RUN THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: NONE — NONE · airframe 3,648 hrs · 10,120 cycles

CREW SUSPECTED FUEL SMELL IN REAR SEAT. *** NOTE THIS AIRCRAFT STILL REMAINS OUT OF SERVICE AT THIS TIME FOR TROUBLE SHOOTING, NO PARTS HAVE YET BEEN FOUND AT THIS TIME TO BE FAILING AND THE FUEL SMELL HAS YET TO BE DUPLICATED.***

Part: CAP — DAMAGED (FUEL TANK) · airframe 3,393 hrs · 9,471 cycles

DURING FLIGHT THE MEDICAL CREW STATED THAT THERE WAS A STRONG SMELL OF FUEL FUMES IN THE CABIN. PILOT DISCUSSED WITH THE CREW AND THEY DECIDED TO RETURN THE AIRCRAFT TO BASE. AFTER EXTENSIVE TROUBLE SHOOTING THE MECHANINC FOUND A FAULTY FUEL FILLER CAP.

Part: FUEL CAP — UNSECURE · airframe 2,480 hrs · 7,266 cycles

AFTER TAKE OFF CREW HAD A FUEL ODOR INSIDE COCKPIT. AIRCRAFT TURN AROUND AND FOUND FUEL CAP NOT INSTALLED PROPERLY BY FBO. IAW GOM 9.4, AIRCRAFT PREFLIGHT WALK-AROUND, COWLS, CAPS AND FASTENERS SHOULD BE CHECKED FOR PROPER INSTALLATION BEFORE FLIGHT

Part: BEARING — WORN (M/R HEAD) · airframe 1,855 hrs · 5,994 cycles

DURING ENG RUN UP FOR TAKEOFF, WHEN ENG REACHED 100% RPM THE ACFT EXPERIENCED AN INCREASED MAIN ROTOR VIBRATION. AFTER TROUBLESHOOTING, DETERMINED MAIN ROTOR HUB ASSEMBLY BEARINGS WORN. THIS ACFT REMAINS OUT OF SERVICE AT THIS TIME AWAITING A REPLACEMENT MAIN ROTOR HEAD ASSEMBLY.

Part: POTENTIOMETER — DIRTY (TRNSMISSION DECK) · airframe 1,520 hrs · 4,948 cycles

WHILE INFLIGHT, THE FADEC DEGRADE & RESTART LIGHT ILLUMINATED. THE PILOT RETURNED TO BASE WITHOUT INCIDENT. DOWNLOADED FAULT CODE & DETERMINED HMU PLA POTENTIOMETER ISSUE. CYCLED THE THROTTLE SEVERAL TIMES FROM CUT OFF THROUGH 100% TO CLEAN ANY DIRT OR GRIT FORM POTENTIOMETER. CLEARED OLD FAULT CODES & HAD NO NEW FAULT CODES. GND RUN ACFT & NO NEW DISCREPANCIES OCCURRED. ACFT WAS RETURNED TO SERVICE.

Part: CHIP DETECTOR — CONTAMINATED (MR TRANSMISSION) · airframe 1,506 hrs · 4,904 cycles

TRANSMISSION CHIP LIGHT ILLUMINATED IN FLIGHT WHILE EN-ROUTE TO HOSPITAL. THE PILOT LOCATED A SAFE SPOT TO LAND, & LANDED WITHOUT INCIDENT. INSPECTED THE CHIP PLUGS & FOUND A SMALL METALLIC SLIVER ON THE BOTTOM CHIP PLUG. REMOVED & PERFORMED THE REQUIRED MX TO INCLUDE A 30 MINUTE PENALTY RUN IAW THE MM WITH NO DEFECTS NOTED. THE ACFT WAS RETURNED TO SERVICE AT THAT TIME.

Part: CHIP DETECTOR — CONTAMINATED (TRANSMISSION) · airframe 1,289 hrs · 4,240 cycles

UPON DEPARTING, THE TRANSMISSION CHIP LIGHT ILLUMINATED. PILOT LANDED & CALLED MAINTENANCE TECHNICIAN. A VERY SMALL SLIVER WAS FOUND ON THE TRANSMISSION TOP PLUG. THE LOWER PLUG WAS CLEAN & THE FREEWHEELING UNIT PLUG WAS CLEAN. CLEANED THE TOP CHIP PLUG & REINSTALLED. PERFORMED GND RUN & RETURNED TO SERVICE.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 1,157 hrs · 3,834 cycles

DURING NORMAL SHUTDOWN A FADEC DEGRADE LIGHT AS THE THROTTLE WAS PLACED TO OFF. THE MECHANIC ARRIVED & VERIFIED OVERSPEED TEST 4 & 5 FAIL & AN OVERSPEED FAIL. VERIFIED ALL CONNECTORS TO BE CLEAN & SECURE IAW RR 250 C47B MM CHPT 73-25-01 FAULT ISOLATION MANUAL. THE FAULTS WERE THEN CLEARED. PERFORMED A GND RUN WITH NO DISCREPANCIES NOTED. THE ACFT WAS RETURNED TO SERVICE AT THAT TIME.

Part: ENGINE — MAKING METAL · airframe 760 hrs · 2,588 cycles

PILOT REPORTED ENGINE CHIP LIGHT ILLUMINATED. REMOVED UPPER AND LOWER CHIP PLUGS AND REMOVED A SMALL AMOUNT OF FLAKES. CLEANED THE PLUGS AND REINSTALLED. THE ENGINE WAS RUN AT 100 PERCENT FOR 30 MINUTES WITH NO ADDITIONAL WARNING LIGHTS. THE ACFT WAS RETURNED FOR SERVICE.

Part: GEARBOX — MAKING METAL (ENGINE) · airframe 688 hrs · 1,766 cycles

ENGINE CHIP LIGHT ILLUMINATED DURING FLIGHT. PERFORMED A PRECAUTIONARY LANDING. MECHANIC ARRIVED, PULLED AND INSPECTED ALL ENGINE CHIP DETECTORS AND FOUND CHIPS/FLAKES ON THE LOWER ENGINE CHIP PLUG. CLEANED CHIP PLUG, PERFORMED 30 MINUTE PENALTY RUN. NO LIGHT INDICATED AFTER 30 MINS. FOR PRECAUTIONARY MEASURES, MECHAINC DRAINED, FLUSHED AND SERVICED ENGINE AS WELL AS REPLACED ENGINE OIL FILTER. THIS ACFT HAS RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION (ENGINE OIL) · airframe 373 hrs

DURING FLIGHT, ENGINE CHIP LIGHT ILLUMINATED. DRAINED, FLUSHED, CHANGED FILTER, GROUND RUN COMPLETE, NO CHIPS DETECTED.