N158BK
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.
37 reports on file, 1995-02-23 – 2008-06-12.
Part: MODULATOR — STICKING (NR 2 AIR FLOW)
DURING ANNUAL TRAINING/CHECK RIDE, THERE DEVELOPED AN UNCOMMANDED, INTERMITTENT TORQUE SPLITS OF UP TO 25 PERCENT WITH NO COLLECTIVE MOVEMENTS OR TORQUE MATCHING ATTEMPTS. N1 AND TOT INDICATIONS FOLLOWED EACH ENGINE THROUGH THE SPLITS. FURTHER TROUBLESHOOTING PROVIDED NO CONCLUSIVE REASON FOR THESE SPLITS. THIS AIRCRAFT HAD EXPERIENCED THE SAME PROBLEMS JUST A COUPLE OF WEEKS AGO AND HAD AN ENGINE CHANGE AS A RESULT. DECISION WAS MADE TO RETURN AC TO AN AIRFIELD INSTEAD OF THE HOSPITAL PAD DUE TO THE DESIRE TO SHOOT A SINGLE-ENGINE PROFILE TO LANDING. EMERGENCY WAS DECLARED TO TOWER AND A SUCCESSFUL RUN-ON LANDING ACCOMPLISHED. AFTER MAINT EVALUATION AND TROUBLESHOOTING, IT WAS DETERMINED TO BE THE AIR FLOW MODULATOR (FENCE ACTUATOR) THAT WAS STICKING. (K)
Part: ACTUATOR — FAILED (NR 1 ENGINE)
AFTER DROPPING A PATIENT OFF AT THE HOSPITAL, ON THE RETURN LEG TO THE AIRCRAFT HOME BASE, IN CRUISE FLT, THE NR 1 ENGINE FAILED TO FOLLOW COLLECTIVE MOVEMENTS AND STAYED FIXED AT 60 PERCENT TORQUE. THE NR 2 ENGINE RESPONDED APPROPRIATELY, CAUSING LARGE TORQUE SPLITS. ATTEMPTED TO TRIM THE NR 1 ENGINE, BUT THE NR 1 ENGINE FAILED TO RESPOND TO ELECTRONIC TRIM INPUTS. WITH THE NR 1 ENGINE STUCK AT A FIXED CRUISE POWER SETTING, DECLARED AN EMERGENCY WITH TAMPA INTERNATIONAL (KTPA) TOWER AND PERFORMED A SINGLE-ENGINE (OEI) PROFILED APPROACH AND LANDING TO THE AIRPORT'S PARALLEL TAXIWAY WITH THE AIRPORT'S EMERGENCY CRASH CREW STANDING BY. AIRCRAFT WAS LANDED WITHOUT INCIDENT AND MOVED THE ADJACENT FBO RAMP, CLEAR OF THE ACTIVE TAXIWAY.
Earlier reports · 1995–2001 · 35 reports
2001
Part: IMPELLER — CRACKED (COMPRESSOR)
CRACKED COMPRESSOR IMPELLER BLADE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
2000
Part: BEARING — WORN (ENGINE)
BEARING - CYLINDER ROLLER NR 2, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
Part: SPRING — WORN (SEAL RING)
SPRING - SEAL RING EXPANDER, WORN BEYOND SERVICEABLE LIMITS. REPLACED 2 EACH WITH NEW UNITS, CORRECTED PROBLEM. (X)
Part: TUBE — WORN (FUEL MANIFOLD)
TUBE-START ASSIST TO MANIFOLD FEED WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
Part: BEARING — CORRODED (COMPRESSOR)
BEARING - ANNULAR BALL, COMPRESSOR, EXCESSIVE PITTING REPLACED WITH NEW UNIT, CORRECTED. PROBLEM. (X)
Part: THERMOCOUPLE — SHORTED (ENGINE)
THERMOCOUPLE HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
Part: SEAL — WORN (1ST TURB SHROUD)
SEAL RING - FIRST TURBINE SHROUD, WORN BEYOND SERVICEABLE LIMITS. REPLACED 2 EACH WITH NEW UNITS, CORRECTED PROBLEM. (X)
Part: THERMOCOUPLE — SHORTED (ENGINE)
THERMOCOUPLE HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
Part: SEAL — LEAKING (NR 3 BEARING)
SEAL - NR 3 BEARING, LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
Part: CURL — DAMAGED (COMBUST CHAMBER)
CURL ASSY - COMBUSTION CHAMBER, EXCESSIVE BURN IN SOME AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
Part: IGNITION LEAD — SHORTED (ENGINE) · airframe 7,645 hrs
IGNITION HAD INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
Part: IGNITION LEAD — SHORTED (ENGINE) · airframe 7,645 hrs
INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)
1999
Part: SPEED PICKUP — INOPERATIVE (NG TACHOMETER)
SPEED PICKUP INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
Part: BOLT — WORN (TAIL ROTOR)
BOLT WORN BEYOND SERVICEABLE LIMITS.
Part: BEARING — CORRODED (CLUTCH)
CLUTCH BEARING REJECTED NEW OUT-OF-BOX. EXCESSIVE CORROSION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
Part: BEARING — CORRODED (CLUTCH)
BEARING REJECTED NEW OUT-OF-BOX. EXCESSIVE CORROSION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
Part: BEARING — CORRODED (CLUTCH)
BEARING REJECTED NEW OUT-OF BOX. EXCESSIVE CORROSION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
Part: BEARING — CORRODED (CLUTCH)
BEARING REJECTED NEW OUT-OF-BOX. EXCESSIVE CORROSION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
1998
Part: BEARING — WORN (TAIL ROTOR)
BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
Part: PICKUP — FAILED (NR 2 ENGINE)
PICKUP UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
Part: HARNESS — FAILED (NR 1 ENGINE)
HARNESS HAS INTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
1997
Part: COMPUTER — INOPERATIVE (YAW CSAS)
COMPUTER UNIT INOPERATIVE. REPLACED WITH USED UNIT, CORRECTED PROBLEM.
Part: SEAL — LEAKING (LT ENGINE NR 1)
LEFT ENGINE NR 1 BEARING LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
Part: ROTOR ASSY — FAILED (POWER TURBINE)
ROTOR ASSY FAILED SB LT101-72-10-0153, Q-ROTOR = 12.36 GMIN2. EXCESSIVE IBPT BLADE SHIFT. REPLACED WITH USED UNIT, CORRECTED PROBLEM. PART TOTAL CYCLES, 3,148.
Part: SEAL — LEAKING (LT ENG NR 3)
LEFT ENGINE NR 3 BEARING LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
1996
Part: BELLOWS — TORN (M/R MAST)
BELLOWS IS TORN AROUND CLAMP AND FOLD AREAS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM
1995
Part: SEAL — LEAKING (NR 2 BEARING)
SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
Part: SEAL RING — WORN (1ST TURB SHROUD)
SEAL RING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.
Part: BLADE — SKIN DEFORMED (M/R)
BLADE FAILED INSPECTION FOR SKIN DEFORMATION AND LOOP ROVING. BLADE IS LOCATED AT CTI.
Part: BLADE — SKIN DEFORMED (M/R)
BLADE FAILED INSPECTION FOR SKIN DEFORMATION AND LOOP ROVING. BLADE IS LOCATED AT CTI.
Part: BELLOWS — TORN (M/R MAST)
BELLOWS IS TORN AROUND CLAMP AND FOLD AREAS. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.
Part: TRANSMITTER — FAILED (RMI/HSI)
TRANSMITTER DEFECTIVE. SPINS RMI/HSI. CARDS IN SLAVE MODE. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
Part: TRANSMITTER — FAILED (XMSN OIL PRESS)
PRESSURE TRANSMITTER WORKED FOR FIRST 30 MIN. FROM INSTALLATION. AFTER 30 MIN. UNIT FAILED TO INDICATE. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
Part: TRANSMITTER — FAILED (XMSN OIL PRESS)
PRESSURE TRANSMITTER WORKED FOR 30 MINUTES FROM INSTALLATION. AFTER 30 MINUTES UNIT FAILED TO INDICATE. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.
Part: FLANGE BUSHING — SCORED (M/R)
FLANGE BUSHING HAS EXCESSIVE SCORING. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.