N118BH
Registered owner: BIGHORN AIRWAYS INC, WY (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
10 reports on file, 1997-10-28 – 2014-07-20.
Part: ALTERNATOR — FRACTURED (ZONE 400) · airframe 10,819 hrs
THE RT ENGINE LOCKED UP DURING FLIGHT GOING INTO FEATHER AND COULD NOT BE RESTARTED. MAINTENANCE FOUND THE ENGINE NEARLY LOCKED UP BUT COULD STILL BE TURNED WITH DIFFICULTY USING THE PROPELLER. THE ALTERNATOR ROTOR SHAFT HAD SHEARED OFF FLUSH WITH THE ALTERNATOR INNER BEARING CAUSING THE COUPLER, PN 630995 AND THE INPUT PORTION OF THE ROTOR SHAFT TO DROP INTO THE ENGINE CAUSING IT TO LOCK UP AND CAUSING SIGNIFICANT DAMAGE TO THE CASE. THE ENGINE DRIVE GEAR BOLTS WERE SHEARED. THE ALTERNATOR STILL TURNED FREELY AND THE FAILURE DOES NOT SEEM BEARING RELATED. AT THIS TIME IT IS UNCLEAR IF THE BOLTS OF THE ALTERNATOR DRIVE GEAR SHEARED OR BEGAN TO SHEAR CAUSING VIBRATION AND BROKE THE END OF THE ROTOR SHAFT OR THE ROTOR SHAFT SIMPLY FAILED CAUSING THE DRIVE GEAR BOLTS TO SHEAR WHEN THE ALTERNATOR COUPLER JAMMED IN THE CASE AGAINST THE ENGINE DRIVE GEAR. IF FURTHER INFORMATION IS AVAILABLE A FOLLOW UP WILL BE SUBMITTED.
Part: DOWNLOCK SWITCH — BROKEN (MLG) · airframe 8,151 hrs
LT MLG DOWN LIGHT FAILED TO ILLUMINATE ON APPROACH. EMERGENCY GEAR SYSTEM ACTIVATED. AIRCRAFT LANDED SAFELY AT MAIN BASE. FOUND LT MLG DOWNLOCK SWITCH ACTUATOR BROKEN.
Part: CLAMP — CRACKED (EXHAUST SYS)
NEW AEROQUIP EXHAUST CLAMPS ARE CRACKING AROUND OUTER PERIPHERY. APPEAR TO BE MANUFACTURING DEFECTS.
Part: CLAMP — CRACKED (EXHAUST SYS)
NEW AEROQUIP EXHAUST CLAMPS ARE CRACKING AROUND OUTER PERIPHERY. APPEAR TO BE MANUFACTURING DEFECTS.
Part: CLAMP — CRACKED (ENGINE)
NEW AEROQUIP EXHAUST CLAMPS ARE CRACKING AROUND OUTER PERIPHERY. FOUR CLAMPS IN 201 HOURS. ALL CLAMPS APPEAR TO BE MANUFACTURING DEFECTS. NON LIFE LIMITED CLAMPS.
Part: CLAMP — CRACKED (EXHAUST SYS)
NEW AEROQUIP EXHAUST CLAMPS ARE CRACKING AROUND OUTER PERIPHERY. APPEAR TO BE MANUFACTURING DEFECTS.
Part: CLAMP — CRACKED (EXHAUST SYS)
NEW AEROQUIP EXHAUST CLAMPS ARE CRACKING AROUND OUTER PERIPHERY. APPEAR TO BE MANUFACTURING DEFECTS.
Part: CLAMP — CRACKED (EXHAUST SYS)
NEW AEROQUIP EXHAUST CLAMPS ARE CRACKING AROUND OUTER PERIPHERY. APPEAR TO BE MANUFACTURING DEFECTS.
Part: CLAMP — CRACKED (EXHAUST SYS)
NEW AEROQUIP EXHAUST CLAMPS ARE CRACKING AROUND OUTER PERIPHERY. APPEAR TO BE MANUFACTURING DEFECTS.
Part: FUEL METERING — OBSTRUCTED (ENGINE FUEL)
PILOT NOTED REDUCED FUEL FLOW AND SOME POWER LOSS ON CLIMB-OUT. RETURNED TO AIRPORT. INVESTIGATION FOUND .3750 INCH LONG BY .1250 INCH WIDE PIECE OF FERROUS MATERIAL LODGED IN FUEL METERING UNIT DOWNSTREAM OF INLET SCREEN RESTRICTING FUEL FLOW. OBJECT SENT TO TCM ANALYZATION LAB. SOURCE OF OBJECT DETERMINED TO HAVE ORIGINATED FROM CLEANING BATH POROUS MEDIA.