N842JH
Registered owner: JACK HARTER HELICOPTERS INC, HI (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| JACK HARTER HELICOPTERS, INC. (DCGA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
AT LANDING PILOT REPORTED MAIN BLADE CONTACT WITH TREE BRANCHES WITH NO CHANGE IN RPM. MECHANIC DETERMINED PER MDHI CSP HMI-2 THAT THERE WAS NO SUDDEN STOPAGE DUE TO NO CHANGE IN ROTOR RPM. MECHANIC INSPECTED AIRCRAFT MAIN ROTOR BLADES FOR DAMAGE AND FOUND SMALL DENTS ON THE BOTOM OF THE YELLOW S/N 733F AND GREEN SN 731F BLADES. MECHANIC MEASURED THE DENTS AND FOUND THEM TO BE IN ACCEPTABLE LIMITS THAT REQUIRE NO REPAIRS AND THE BLADES CAN CONTINUE IN SERVICE.
DURING A SCHEDULED 100 HOUR MAINTENANCE INSPECTION ON THE AIRCRAFT. THE MECHANIC QUESTIONED THE DARK BURNT APPEARANCE OF THE GREASE IN THE ⢠BEARING, OVERRUNNING CLUTCH BALL OUTPUT. PER OPERATOR REQUEST THE CLUTCH ASSEMBLY WAS DISASSEMBLED AND A SIGNIFICANT AMOUNT OF METAL WAS DISCOVERED IN THE RACE, CLUTCH OUTER. THE ASSEMBLY WAS SENT TO AN MD REPAIR STATION FOR INSPECTION. WEAR WAS FOUND ON THE CAGE OF THE SPRAG ASSEMBLY. NO EXTERNAL LOAD OPERATIONS WERE PERFORMED WITH THIS CLUTCH IN SERVICE.
DURING AIRCRAFT INSPECTION AN AIRCRAFT MECHANIC QUESTIONED DISCOLORING OF THE OVERRUNNING CLUTCH OUTPUT BEARING GREASE. THE BEARING DID NOT DEMONSTRATE ANY ABNORMAL PLAY OR ROUGHNESS. THE CLUTCH HAD THE CORRECT AMOUNT OF OIL INSTALLED. IT WAS DECIDED TO DISASSEMBLE THE CLUTCH ASSEMBLY. IT APPEARED THE FORWARD BEARING WAS ROTATING IN THE OUTER RACE HOUSING. UNOFFICIAL MEASUREMENT OF THE OUTER RACE HAD IT OVER LIMITS. METAL PARTICLES WERE FOUND IN THE REMAINING OIL IN THE BOTTOM OF THE OUTER RACE HOUSING. THE PART WAS REMOVED FROM SERVICE FOR FURTHER INSPECTION.
UDRING STRAIGHT AND LEVEL FLIGHT THE PILOT REPORTED LOW ENGINE TORQUE. THE PILOT SELECTED A LANDING SPOT AND PERFORMED AN UNEVENTFUL PRECAUTIONARY LANDING. THE AIRCRAFT WAS MOVED TO A MAINTENANCE LOCATION AND THE ENGINE WAS REMOVED FOR INSPECTION. NO CAUSE DETERMINED AT THIS TIME.
DURING FLIGHT THE PILOT NOTICED THE FUEL QUANTITY GAUGE DROPPED TO ZERO THEN THE ENGINE OIL TEMP WENT TO ZERO. THE INSTRUMENT CIRCUIT BREAKER THEN POPPED. THE PILOT LANDED WITHOUT ISSUE. THE PILOT RESET THE CIRCUIT BREAKER ONCE SHUT DOWN AND MAINTENANCE COULD NOT DUPLICATE THE PROBLEM. MOISTURE WAS FOUND ON THE FUEL QUANTITY SENDING UNIT CANNON PLUG WHICH WAS CLEANED AND INSPECTED. A LOOSE CONNECTION WAS FOUND ON THE COLLECTIVE HOBBS METER SWITCH AND THE SWITCH WAS REPLACED. OPERATIONAL CHECKS POST MAINTENANCE WERE FOUND GOOD.
DURING A POST FLIGHT INSPECTION A MECHCANIC FOUND A 1/4 X 1/4 INCH DENT IN THE LEADING EDGE OF A MAIN ROTOR BLADE 42 INCHES IBOARD FROM THE TIP OF THE BLADE.
PILOT REPORTED AND ENGINE CHIP LIGHT AND PERFORMED AN UNSCHEDULED LANDING. MAINTENANCE FOUND 1 SLIVER ON THE UPPER GEARBOX CHIP PLUG. THE PLUG WAS CLEANED AND A PENALTY ENGINE RUN WAS PERFORMED IN REFERENCE TO THE ENGINE OMM. THE PLUGS WERE FOUND CLEAN AND THE AIRCRAFT WAS PLACED BACK IN SERVICE.
DURING CRUISE FLIGHT AND ENGINE CHIP LIGHT INDICATION OCCURRED. THE PILOT PERFORMED A PRECAUTIONARY LANDING. MAINTENANCE DISCOVERED METAL FLAKES ON UPPER AND LOWER ENGINE CHIP PLUG. PER MAINTENANCE MANUAL INSTRUCTION IT WAS DETERMINED THAT THE ENGINE ASSEMBLY REQUIRED REMOVAL FROM THE AIRFRAME FOR ANALYSIS.