N103RC
Registered owner: SONRISE AVIATION LLC, IN (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| BUSINESS AVIATION COURIER, INC. (DUFA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
Maintenance disclosures
WHILE ON A ONE MILE FINAL APPROACH, THE RIGHT HAND ENGINE DEVELOPED A SEVERE VIBRATION AND BEGAN TO LOSE POWER. THE AUXILIARY FUEL PUMP WAS SELECTED TO HIGH BUT THE LOSS OF POWER DID NOT IMPROVE. THE ENGINE WAS SHUTDOWN AND THE PROPELLER FEATHERED. THE APPROACH CONTINUED WITH AN UNEVENTFUL LANDING. UPON EXITING THE AIRCRAFT, THE PILOT NOTICED AN EXCESSIVE AMOUNT OF OIL ON THE INBOARD ENGINE COWL AND LEADING EDGE OF THE WING. MAINTENANCE WAS CALLED OUT AND UPON INSPECTION, A LARGE CRACK IN THE ENGINE CASE WAS DISCOVERED COMING FROM THE NUMBER SIX CYLINDER EXHAUST PUSHROD TUBE BOSS RUNNING THE OIL PAN FLANGE.
WHILE IN CRUISE FLIGHT, THE PILOT NOTICED THE LT ENG OIL PRESS DROPPING. ONCE THE OIL PRESS DROPPED BELOW THE GREEN ARC, SHUT DOWN THE LT ENG & CONTACTED CTR. DIVERTED TO ALTERNATE AIRPORT, MADE AN UNEVENTFUL LANDING. THE OIL WAS BEING DUMPED OVERBOARD THROUGH THE AIR & OIL SEPARATOR CAN. WHILE REMOVING THE OIL LINE FITTING AT THE SCAVENGE PUMP INLET, A RATHER LARGE CHUNK OF FOREIGN MATERIAL WAS FOUND BLOCKING THE PASSAGE THROUGH THE FITTING. THIS WAS CLEARED & THE HOSE CHECKED WHICH REVEALED NO FURTHER DEBRIS. A SERVICEABLE SCAVENGE PUMP HOSE WAS INSTALLED AS A PRECAUTION. ENG RUNS WERE PERFORMED & NO ABNORMALITIES WERE REVEALED.
RT ENGINE FINE WARNING FLICKERED ONE TIME IN FLIGHT. PILOT SECURED ENGINE AND FEATHERED PROP. UNEVENTFUL LANDING MADE AT MAINTENANCE INSPECTED ENGINE AND FOUND NO EVIDENCE OF FIRE OR FIRE DAMAGE. GROUND RUN ENGINE COULD NOT DUPLICATE PROBLEM. (K)
IN CRUISE FLIGHT, LEFT ENGINE OIL PRESSURE STARTED TO FLUCTUATE. A PRECAUTIONARY SHUT DOWN WAS MADE AND THE AIRCRAFT HAD AN UNEVENTFUL LANDING. TROUBLESHOOTING FOUND THE GEARBOX SCAVENGE OIL LINE FITTING IN THE GEARBOX HAD STARTED BACKING OUT. THE THREADS IN THE GEARBOX WERE PARTIALLY RUINED. ENGINE WAS REMOVED AND SENT OUT FOR REPAIR. SUBMITTER RECOMMENDS TORQUE CHECK OF ALL FITTINGS ON GEARBOX EVERY 200 HOURS OF ENGINE OPERATION.
ENGINE LOST FUEL FLOW IN CRUISE FLIGHT. ENGINE SHUT-DOWN AND FEATHERED. TROUBLESHOOTING DETERMINED FUEL CONTROL FAILED. THE FUEL CONTROL UNIT HAD APPROXIMATELY 450 HOURS SINCE REPAIR BY WOODWARD.