N3893S
Operators of this aircraft
Who operated this tail, and how firmly we know it.
No operator established for this aircraft.
Accident & incident history
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.
95 reports on file, 1995-04-10 – 1999-11-15.
Part: INDICATOR — FLUCTUATING (DUAL TORQUE)
TORQUE INDICATOR FLUCTUATING.
Part: COMPUTER — MALFUNCTIONED (AFCS)
AFCS ACTUATORS SLOW TO TRIM AND RE-CENTER.
Part: PUMP — FAILED (FUEL BOOST)
PUMP HAD LOW PRESSURE.
Part: INDICATOR — INOPERATIVE (DUAL TORQUE)
TORQUE INDICATOR'S LIGHTS INOPERATIVE.
Part: CONTROL UNIT — FAILED (DC CONTROL)
VM PEGGED OUT, THEN DIED.
Part: STARTER — VIBRATING (STARTER/GEN)
HIGH FREQUENCY VIBRATION FELT IN AIRFRAME WITH GENERATOR TURNED ON.
Part: TRANSCEIVER — MALFUNCTIONED (VHF COMM)
TRANSMITS GARBLED. TIME SINCE REPAIR 316:50. HOURS.
Part: INDICATOR — STUCK (ITT)
ITT INDICATOR STUCK AT 500 DEGREES.
Part: TRANSCEIVER — FAILED (COCKPIT)
RECEIVER/TRANSMITTER QUITS AFTER 5 SECONDS.
Part: BLADE — CRACKED (TAIL ROTOR)
TAIL ROTOR BLADE FAILED IN-FLIGHT. APPROXIMATELY 14 INCHES OF THE OUTBOARD END OF ONE TAIL ROTOR BLADE SEPARATED CAUSING AN IMBALANCE CONDITION WHICH CAUSED THE TAIL ROTOR ASSEMBLY AND TAIL ROTOR GEARBOX TO SEPARATE THE AIRCRAFT. ENGINEERING EVALUATION FOF THE FAILED BLADE REVEALED THE FAILURE ORIGINATED FROM A STRESS FRACTURE THAT WAS CAUSED BY CORROSION IN THE INSIDE OF THE BLADE SKIN.
Part: RECEIVER — MALFUNCTIONED (COCKPIT)
RMI WILL NOT ALIGN.
Part: ACTUATOR — FAILED (STEP)
STEP ACTUATOR WILL NOT RAISE ON ITS OWN.
Part: SMOKE DETECTOR — FAILED (CABIN)
SMOKE DETECTOR FAILED FUNCTION TEST.
Part: CONTROL UNIT — MALFUNCTIONED (DC SYSTEM)
CONTROL UNIT ON BATTERY WILL NOT KICK OFF WHEN SECOND GENERATOR PUT ON LINE. CANNOT ADJUST VOLTAGE.
Part: TRANSMITTER — READS HIGH (FUEL QUANTITY)
TRANSMITTER READS HIGH.
Part: INDICATOR — MALFUNCTIONED (TRIPLE TACH)
TRIPLE TACHOMETER INDICATOR HAS 4 PERCENT SPLIT BETWEEN NR 1 AND NR 2 NEEDLES.
Part: GEARBOX — MAKING METAL (COMBINING)
COMBINING GEARBOX MAKING METAL.
Part: ACTUATOR — STUCK (STEP)
STEP ACTUATOR STUCK IN MID-TRAVEL.
Part: PROBE — READS HIGH (FUEL QUANTITY)
PROBE READS HIGH OUT OF TOLERANCE.
Part: CONTROL UNIT — FAILED (DC CONTROL)
CONTROL UNIT CAUSES GENERATOR TO KICK OFF-LINE.
Earlier reports · 1995–1998 · 75 reports
1998
Part: INDICATOR — INACCURATE (FUEL QUANTITY)
INDICATOR WILL NOT ADJUST TO ZERO WHEN EMPTY.
Part: BRAKE ASSY — WORN (MAIN ROTOR)
BRAKE ASSEMBLY HAS WORN LININGS.
Part: INDICATOR — MALFUNCTIONED (TRIPLE TACH)
TRIPLE TACHOMETER HAS NEEDLE SPLIT, JERK MOVEMENT.
Part: ACTUATOR — STICKING (ROTARY)
ROTARY ACTUATOR NOT RELEASING, STICKING.
Part: INDICATOR — MALFUNCTIONED (TRIPLE TACH)
TRIPLE TACHOMETER HAS SEVERE NEEDLE SPLIT.
Part: TRIM COMPENSATOR — FLUCTUATES (COCKPIT)
IN-FLIGHT ITT FLUCTUATES OK ON GROUND.
Part: RECEIVER — FAILED (ADF)
UPON INSTALLATION TRANSCEIVER, ADF WOULD NOT TEST OR IDENT AND WEAK SIGNAL.
Part: TRANSCEIVER — INOPERATIVE (COCKPIT)
TRANSCEIVER INOPERATIVE.
Part: ACTUATOR — INOPERATIVE (STEP)
STEP ACTUATOR WILL NOT EXTEND.
Part: BATTERY — DISCHARGED (CABIN)
BATTERY VOLTAGE READS 13 VOLTS.
Part: INDICATOR — MALFUNCTIONED (XMSN OIL)
INDICATOR STICKS AT 30 PERCENT PRESSURE SIDE.
Part: INDICATOR — ERRATIC (COCKPIT ITT)
READING ON ITT INDICATOR ERRATIC AND STICKS.
Part: BATTERY — DISCHARGED (CABIN)
BATTERY PACK READS ZERO VOLTS.
Part: INDICATOR — MALFUNCTIONED (FLIGHT MANAGE)
KNOB STICKS ON INDICATOR COURSE SELECTOR.
Part: COMPENSATOR — FAILED (ENGINE)
TOT COMPENSATOR CHECKS HIGH ABOVE 60 OUT OF TOLERANCE.
Part: INDICATOR — STICKING (TRANSMISSION OIL)
TRANSMISSION O8IL PRESSURE PSI NEEDLE STICKY AT 20 PSI.
Part: EJECTOR — CRACKED (EXHAUST)
EJECTOR ASSY CRACKED.
Part: EJECTOR — CRACKED (EXHAUST)
EJECTOR ASSEMBLY CRACKED.
Part: TRANSCEIVER — FAILED (COCKPIT)
TRANSCEIVER WEAK AND GARBLED. REPAIRED AND FUNCTION CHECKED GOOD.
Part: SEAL — LEAKING (M/R GEARBOX)
MAIN ROTOR SEAL IS LEAKING.
Part: ACTUATOR — MALFUNCTIONED (FLIGHT CONTROL)
ACTUATOR WILL NOT TEST IN LATERAL MODE.
Part: RATE GYRO — MALFUNCTIONED (COCKPIT)
TURN INDICATOR WOULD NOT OPEN.
Part: LIGHT — INOPERATIVE (STROBE)
STROBE LIGHT UNIT IS INOPERATIVE.
Part: INDICATOR — UNSERVICABLE (COCKPIT)
HYDRAULIC PRESSURE SIDE MARKINGS FADED.
Part: INDICATOR — STICKS (COCKPIT)
RT FLAG SLOW TO PULL AND RT POINTER STICKS.
Part: GYRO — MALFUNCTIONED (COCKPIT)
RT FLAG WILL NOT PULL.
Part: SWITCH — FAILED (FUEL SYS)
CAPACITANCE READS HIGH ON RIGHT POSITION.
Part: TRIM COMPENSATOR — FAILED (ENGINE)
TRIM COMPENSATOR WILL NOT ADJUST.
Part: INDICATOR — DEFECTIVE (RATE OF CLIMB)
SMALL SCREW LOOSE INSIDE RATE OF CLIMB GAUGE.
Part: INDICATOR — ERROR (COCKPIT)
INDICATES 1500 FEET OFF. READJUSTED TO ZERO. BENCH CHECK GOOD.
Part: ACTUATOR ROTARY — FAILED (M/R)
ROTARY ACTUATOR INOPERATIVE.
Part: ACTUATOR — FAILED (STEP)
STEP ACTUATOR DOESN'T RETRACT.
Part: ACTUATOR — FAILED (STEP)
STEP ACTUATOR CAUSES STEP CIRCUIRT BREAKER TO POP.
Part: ACTUATOR ROTARY — FAILED (M/R)
ROTARY ACTUATOR WILL NOT TEST.
Part: COMPUTER — FAILED (AFCS)
COMPUTER WILL NOT RELEASE LATERAL AXIS BRAKE MOTOR.
Part: ATT INDICATOR — FAILED (COCKPIT)
POWER FLAG WON'T PULL - DOESN'T APPEAR TO COME ON. REPLACED WITH SERVICEABLE PART.
Part: ACTUATOR — INOPERATIVE (STEP)
STEP ACTUATOR INOPERATIVE.
Part: CONTROL — BROKEN (AUTOPILOT)
AUTO PILOT SAS/ATT. INDICATOR LIGHT BROKEN.
Part: INDICATOR — DEFECTIVE (ALTIMETER)
LOOSE OBJECTS INSIDE UNIT.
Part: INDICATOR — FAILED (FUEL QTY)
FUEL QTY INDICATOR NEEDLE STUCK AT 400 LBS.
Part: TARSYN — DEFECTIVE (AUTOFLIGHT)
TARSYS KICKS IN PITCH.
Part: BLADE — DAMAGED (M/R)
PIECE OF INBOARD ABRASION STRIP MISSING ON THE TOP OUTBOARD END OF M.R BLADE.
Part: ACTUATOR — FAILED (STEP)
STEP ACTUATOR WON'T EXTEND OR RETRACT.
Part: ACTUATOR — INOPERATIVE (STEP)
STEP ACTUATOR INOPERATIVE.
Part: ACTUATOR — FAILED (STEP)
STEP ACTUATOR POPS CIRCUIT BREAKER.
Part: BLADE — CRACKED (M/R)
BLADE HAS SKIN CRACK NEAR THE INBOARD TRIM TAB ON THE LOWER SURFACE WHERE A REPAIR WAS DONE PREVIOUSLY AT COMPOSITE TECHNICS WITH A TOTAL TIME OF 7978:15.
Part: ACTUATOR — INOPERATIVE (STEP)
STEP ACTUATOR INOPERATIVE.
Part: INDICATOR — INOPERATIVE (TRIPLE TACH)
NR1 TRIPLE TACH INDICATOR NEEDLE INOPERATIVE.
1997
Part: CONTROL — FAILED (TEMP CONTROL)
TEMPERATURE CONTROL INOPERATIVE.
Part: IGNITER LEAD — INOPERATIVE (ENGINE)
IGNITER LEAD INOPERATIVE.
Part: TRANSCEIVER — FAILED (COCKPIT)
TRANSCEIVER PEGS ON HIGH SIDE. FAILED 5.1 ON SST.
Part: TRANSMITTER — MALFUNCTION (FLUX VALVE)
PRECESSES 30 TO LEFT AND UNABLE TO ADJUST. SENT TO HONEYWELL, TEXAS FOR EXCHANGE.
Part: SWITCH — FAILED (FUEL SYS)
READS HIGH OUT OF TOLERANCE ON LEFT AND RIGHT.
Part: BLADE — WONT BALANCE (M/R)
BLADE TOO HEAVY, COULDN'T BALANCE.
Part: BLADE — WONT TRACK (M/R)
BLADE WILL NOT TRACK (DIVING).
Part: BLADE — CRACKED (M/R)
BLADE SKIN CRACKED ON THE UPPER SURFACE AT STA. 106. THERE ARE SEVERAL AREAS OF STRESS CRACKS NEAR MIDSPAN TAB AREA.
Part: BLADE — CRACKED (M/R)
CRACK IN BLADE OUTBOARD LEADING EDGE STRIP NEAR THE SPLICE AREA.
Part: SKIN — CRACKED (RT DOOR POST)
R/H UPPER DOOR POST AT WINDSHIELD HAD OUTER SKIN, P/N 204-030-619-146 CRACKED OR BROKEN. INNER CHANNEL OF WINDSHIELD P/N 205-030-619-012S PARTIALLY CRACKED. REPLACED WITH SERVICEABLE PARTS.
Part: INDICATOR — INOPERATIVE (3 AXIS GYRO)
ATTITUDE INDICATOR INOPERATIVE AND HELI PILOT WILL NOT COME ON LINE. UNIT FAILED GYRO VALID TEST ON SST.
Part: TACH GENERATOR — SHAFT SHEARED (ENGINE)
SHAFT SHEARED. INSPECTED BY ACCESSORY OVERHAUL AND FOUND NO PROBLEM WITH TACH. GEN THAT WOULD HAVE CAUSED SHAFT TO SHEAR.
Part: TRANSCEIVER — FAILED (COCKPIT)
RADIO TRANSMITS BUT DOES NOT RECEIVE. TIME SINCE REPAIR 1:15.
Part: TARSYN — MALFUNCTION (AUTOFLIGHT)
D.G. WILL NOT BECOME VALID ON SST.
Part: BLADE — DEFECTIVE (M/R)
BLADE DEFECT, EXCESSIVE LATERAL VIBRATION -- UNABLE TO TRACK.
Part: BLADE — DEFECTIVE (M/R)
M/R BLADE HAS SKIN VOID ON THE LOWER SIDE WHICH STARTS FROM STATION 263" TO STATION 271" SPANWISE AND 2.5" CHORDWISE.
Part: FLOAT BAG — LEAKING (EMERG GEAR)
FLOAT BAG LEAKING DURING FLOAT INSPECTION.
1996
Part: EJECTOR ASSY — CRACKED (LT EXH)
EJECTOR IS CRACKED. (ROUND CRACK AND WORKING RIVETS) SENT TO ALPINE AEROTECH LTD. FOR INSPECTION AND REPAIR.
Part: BOLT — FLAKING (M/R)
TUNGSTEN COATING FLAKING FROM BOLT. SENT TO BELL HELICOPTER TEXTRON FOR INSPECTION AND REPAIR.
Part: RECEIVER — INOP (COCKPIT NAV)
VOR/LOC RECEIVER INOPERATIVE.
Part: ENGINE — RUMBLE (POWER SECT)
WHEN ENGINE IS HOT, THERE IS A RUBBING SOUND IN ENGINE. RUMBLE SOUND WITH HIGH FREQUENCY WHEN RUNNING.
Part: INDICATOR — DEFECTIVE (TORQUE)
INDICATOR IS CAUSING NUMBER 1 TORQUE CIRCUIT BREAKER TO POP.
Part: TRANSCEIVER — DEFECTIVE (COCKPIT)
DISPLAY DIM AND LENS FADED.
Part: CVR — INOPERATIVE (COCKPIT)
CVR INOPERATIVE.
1995
Part: ELT — DEFECTIVE (COCKPIT)
WHEN ARM SWITCH IS "ON" UNIT IS ACTIVATED AND WILL NOT TURN OFF.
Part: TRANSCEIVER — DEFECTIVE (COCKPIT)
TRANSCEIVER WILL NOT TUNE.
Part: COMPUTER — FAILS TEST (COCKPIT AFCS)
FAILS TEST #15.2 ON SST; NO POWER OUTPUT.