N1546K

Part: WIRE HARNESS — UNKNOWN (LT MLG) · airframe 23,347 hrs

AFTER TAKEOFF, WHEN LANDING GEAR WAS RETRACTED, LEFT MAIN GEAR WARNING LIGHT DID NOT EXTINGUISH. REPLACED HARNESS.

Part: RELAY — FAILED (NR 2 GENERATOR) · airframe 22,529 hrs

NR 2 GENERATOR FAILED IN FLIGHT. (DC CONTROL P/N 51530-006B, S/N 10799B) MAINTENANCE REPLACED NR 2 GENERATOR CONTROL RELAY AND ALSO NR 1 GENERATOR DC CONTROL UNIT.

Part: CONTROL UNIT — INTERMITTENT (GPS) · airframe 22,241 hrs

MENU BUTTON IS INTERMITTENT.

Part: WIRE — BROKEN (STARTER GEN)

NR 2 GENERTOR WILL NOT COME ON LINE. INSPECTED BY ACCESSORY SHOP AND FOUND STATOR LEAD WIRE TO BRUSH BOX BROKEN OFF. ALSO FOUND BRUSHES CHIPPED. SENT TO NAASCO NORTHEAST FOR WARRANTY REPAIR.

Part: BEARING — WORN (BELLCRANK)

FLT CONTROL BELLCRANK HAS WORN BEARINGS. REPAIRED.

Part: BELLOWS — RUPTURED (BLEED VALVE)

DOES NOT OPEN ON TEST RUN. REPLACED BELLOWS PN 6893483 DUE TO RUPTURED AND PITTED. REPAIRED BLEED VALVE.

Part: BLADE — SPLIT (TAIL ROTOR) · airframe 22,220 hrs

TAIL ROTOR BLADE TRAILING EDGE OF PADDLE "A" IS SPLIT OPEN. TO BE SENT TO VENDOR FOR INSPECTION AND REPAIR.

Part: BEARING — WORN (BELLCRANK)

BELLCRANK HAS WORN BEARINGS. REPLACED WITH SERVICEABLE BEARINGS.

Part: HOUSING — DAMAGED (MAIN ROTOR) · airframe 22,067 hrs

PIN PLUG IN MAIN ROTOR SERVO HOUSING BLEW OUT DURING FINAL TEST.

Part: MODULE — MALFUNCTIONED (ROTOR BRAKE)

ROTOR BRAKE PUMP MOTORS WITH NO PRESSURE.

Part: MODULE — MALFUNCTIONED (ROTOR BRAKE)

ROTOR BRAKE LIGHT WILL NOT GO OUT. LOW PRESSURE SWITCH BAD.

Part: ACTUATOR — INOPERATIVE (AFCS) · airframe 21,946 hrs

AFCS ACTUATOR INOPERATIVE.

Part: SWITCH — DAMAGED (INTERPHONE BOX) · airframe 21,937 hrs

FM BLEEDING OVER. FOUND SWITCHES S1, S2, S7, S9, S10, S11 BAD. REPLACED SAME. BENCH CHECK GOOD.

Part: ACTUATOR — INOPERATIVE (AFCS) · airframe 22,163 hrs

AFCS ACTUATOR NR 1 ROLL INOPERATIVE.

Part: INDICATOR — READS LOW (COCKPIT) · airframe 22,189 hrs

AIRSPEED INDICATOR READING LOW. REPAIRED.

Part: FLOAT — LEAKING (MLG) · airframe 22,002 hrs

RT MAIN FLOAT BAG LEAKING.

Part: BEARING — WORN (AFCS ACTUATOR) · airframe 21,959 hrs

AFCS ACTUATOR HAS WORN BEARINGS. REPAIRED.

Part: CHECK VALVE — CRACKED (ENGINE) · airframe 22,071 hrs

CHECK VALVE CRACKED AND LEAKING. SCRAPPED.

Part: STARTER GEN — FAILED (ENGINE) · airframe 21,964 hrs

STARTER GENERATOR WILL NOT TURN OVER.

Part: TRANSPONDER — INOPERATIVE (ATC) · airframe 22,138 hrs

INTERMITTENT MODE "C" OPERATION. CLEANED CORROSION FROM UNIT. FOUND WEAK MTL AND TRANSMIT POWER. TROUBLESHOT AND REPLACED V201 CAVITY OSCILLATOR AND CATHODE ASSY, ADJUSTED FREQUENCY AND POWER TO SPECS. ALSO FOUND DYNAMIC RANGE OUT OF SPECS. ALIGNED AND ADJUSTED RECEIVER AND VIDEO BOARD SEVERAL TIMES. BENCH CHECK GOOD.

Part: DAMPER — LEAKING (MAIN ROTOR)

MAIN ROTOR DAMPER LEAKING.

Part: STARTER GEN — MALFUNCTIONED (ENGINE) · airframe 22,124 hrs

STARTER GENERATOR WON'T COME ON LINE.

Part: SHAFT — WORN (ENGINE) · airframe 22,123 hrs

TORQUE SHAFT BUSHING HOLES WORN. IN SHOP REPAIR.

Part: SEAT BELT — DAMAGED (COCKPIT) · airframe 22,169 hrs

COPILOT BELT WILL NOT ADJUST. TO BE SENT TO VENDOR FOR REPAIR.

Part: FITTING — WORN (FLIGHT CONTROL) · airframe 22,115 hrs

FLIGHT CONTROL FITTING IS WORN. SCRAPPED.

Part: BLADE — DAMAGED (TAIL ROTOR) · airframe 21,922 hrs

TAIL ROTOR BLADE PADDLE "B" HAS A HOLE AT THE TIP.

Part: TIP CAP — ERODED (M/R BLADE) · airframe 22,117 hrs

MAIN ROTOR TIP CAP FIBERGLASS ERODED AND TORN ON LOWER SIDE.

Part: TIP CAP — DELAMINATED (M/ R BLADE) · airframe 22,117 hrs

MAIN ROTOR BLADE TIP CAP FIBERGLASS DELAMINATING FROM BOTTOM SIDE.

Part: WARNING LIGHT — ILLUMINATED (COCKPIT) · airframe 22,077 hrs

BATTERY HOT LIGHT ON. IN SHOP REPAIR.

Part: DAMPER — LEAKING (MAIN ROTOR)

MAIN ROTOR DAMPER LEAKING.

Part: SWITCH — FAILED (ANTI ICE WARNING) · airframe 22,157 hrs

SWITCH FAILED, ANTI ICE WARNING LIGHT WILL NOT GO OUT.

Part: STARTER GEN — FAILED (ENGINE)

STARTER GENERATOR WILL NOT TURN OVER.

Part: TRANSCEIVER — FAILED (COCKPIT) · airframe 21,713 hrs

WON'T RECEIVE ON FREQUENCY 119.27. FOUND UNIT WOULD NOT RECEIVED ON ANY FREQUENCY. REMOVED CORROSION FROM MODULATOR BOARD. REPLACED R433 POTENTIOMETER DUE TO BAD. REPLACED I303 IC CHIP DUE TO BAD VOLTAGES. REPLACED R321 RESISTOR DUE TO BAD. UNIT STARTED RECEIVING. FOUND MODULATION DISTORTED. REALIGNED TRANSMITTER. SWAPPED C513 AND C514 CAPACITORS. REPLACED C525 AND C527 CAPACITORS. REPAIRED. REMOVED CORROSION FROM BOTTOM OF SYNTHESIZER BOARD IN VCO SECTION. UNIT BENCH CHECK GOOD.

Part: BEARING CAGE — FAILED (NR 3 AND 4) · airframe 20,928 hrs

ENGINE REMOVED DUE TO METAL IN OIL. PARTS REPLACED IN COMPLIANCE WITH CEBA-72-3217 R4.

Part: BEARING — FAILED (NR 3 AND 4) · airframe 20,928 hrs

ENGINE REMOVED DUE TO METAL IN OIL. PARTS REPLACED IN COMPLIANCE WITH CEBA-72-3217 R4.

Part: GPS — INOPERATIVE (COCKPIT) · airframe 21,513 hrs

GPS UNIT HAS NO DISPLAY.

Part: CONNECTOR — DIRTY (NR 2 ENGINE)

WHILE IN CRUISE FLIGHT, THE NR 2 ENGINE FUEL FLOW INDICATOR BEGAN TO FLUCTUATE. CLEANED CANNON PLUG AT TRANSMITTER.

Part: SEAL — DISLODGED (STARTER GEN)

IN CRUISE FLIGHT, NR 1 ENGINE OIL PRESSURE BEGAN TO FLUCTUATE BETWEEN GREEN ARC AND LOWER RED ARC. MAINTENANCE FOUND STARTER GENERATOR SEAL UNSEATED. REPLACED, SERVICED ENGINE OIL SYSTEM AND RETURNED AIRCRAFT TO SERVICE.

Part: PUMP — LEAKING (HYDRAULIC SYSTEM)

HYDRAULIC PUMP LEAKING EXTERNALLY. TIME SINCE REPAIR 0:00 HOURS.

Part: INDICATOR — STICKS (FUEL QUANTITY)

NR 2 NEEDLE STICKS ON FUEL QUANTITY INDICATOR.

Part: CONTROL UNIT — INOPERATIVE (GENERATOR)

GENERATOR INOPERATIVE.

Part: GYRO — PRECESSING (COCKPIT)

PILOT ATTITUDE INDICATOR PRECESSES.

Part: BLADE — SPLIT (TIP CAP)

TRAILING EDGE SPLIT OPEN NEAR THE TIP.

Part: TRANSMISSION — LEAKING (MAIN ROTOR)

MAST SEAL LEAKING ON TRANSMISSION.

Part: BLADE — DEBONDING (MAIN ROTOR)

MAIN ROTOR BLADE HAS SKIN DEBONDING CENTER AT STATION 52 ON THE UPPER SURFACE.

Part: TRANSMITTER — READS HIGH (HYDRAULIC)

HYDRAULIC TRANSMITTER READS HIGH OUT OF TOLERANCE.

Part: INDICATOR — MALFUNCTIONED (HSI)

HSI COURSES SET KNOB INOPERATIVE.

Part: GCU — MALFUNCTIONED (DC SYSTEM)

DC CONTROL UNIT WILL NOT ALLOW NR 1 DC GENERATOR TO COME ON-LINE.

Part: SMOKE DETECTOR — FAILED (CARGO BAY)

SMOKE DETECTOR WILL NOT TEST.

Part: STARTER — MALFUNCTIONED (START/GEN)

STARTER/GENERATOR HAS INTERMITTENT STARTING AND LOUD CLANKING NOISE.

Part: CONTROL UNIT — FAILED (DC SYSTEM)

DC CONTROL WILL NOT COME ON-LINE AFTER START.

Part: ACTUATOR — CHATTERS (AFCS)

ACTUATOR CHATTERS AND SHAKES CYCLIC.

Part: BLADE — TORN (MAIN ROTOR)

FIBERGLASS TORN AT STA 120 ON THE UPPER SURFACE JUST AFT OF THE LEADING EDGE STRIP. THE NICKEL STRIP HAS NUMEROUS AMOUNT OF CRACKS.

Part: GENERATOR — FAILED (AC SYSTEM)

GENERATOR INOPERATIVE. AIRCRAFT HAS NO CURRENT.

Part: ACTUATOR — KICKS (AFCS)

ACTUATOR KICKS IN-FLIGHT.

Part: RECEIVER — WEAK (COCKPIT VOR)

VOR RECEIVER HAS WEAK RECEIVE, CAN BE OFF BY UP TO 7 POINTER.

Part: SIGNAL COND — MALFUNCTIONED (ENGINE)

SIGNAL CONDITIONER UNIT CAUSING NR 1 FLOWMETER TO PEG HIGH.

Part: SIGNAL COND — MALFUNCTIONED (NR 2 ENGINE)

FUEL FLOW HAS NO INDICATION NR 2.

Part: ACTUATOR — INOPERATIVE (AFCS)

AFCS ACTUATOR INOPERATIVE.

Part: RECEIVER — INOPERATIVE (COCKPIT)

RECEIVER INOPERATIVE.

Part: AMPLIFIER — INOPERATIVE (YAW SLICE)

NR 1 YAW INOPERATIVE.

Part: ACTUATOR — INOPERATIVE (AFCS)

NR 2 YAW SYSTEM INOPERATIVE.

Part: ALTIMETER — INOPERATIVE (COCKPIT)

ALTIMETER INOPERATIVE. PERFORMED PRELIMINARY INSPECTION, FOUND UNIT INACCURATE.

Part: ALTIMETER — MALFUNCTIONED (COCKPIT)

SIGNAL THRESHOLD WILL NOT UNLOCK. PERFORMED PRELIMINARY INSPECTION. FOUND ALTIMETER UNIT INACCURATE.

Part: PRIORITY VALVE — FAULTY (MLG)

LANDING GEAR TAKES TOO LONG TO EXTEND AND RETRACT.

Part: ACTUATOR — MALFUNCTIONED (SERVO SYS)

INSTALLED ACTUATOR ON NR 2 SIDE. ACTUATOR RUNS CONSTANTLY. CONNECTED TO NR 1 SIDE. STILL RUNS CONSTANTLY.

Part: GENERATOR — FAILED (ENGINE)

GENERATOR WILL NOT COME ON LINE.

Part: DETECTOR — FAILED (NR 2 ENGINE)

SHORTLY AFTER TAKEOFF, NR 2 ENGINE FIRE WARNING LIGHT ILLUMINATED INTERMITTENTLY (APPROXIMATELY 5 SECONDS/MINUTES). AFTER DETERMINING NO FIRE, RETURNED TO BASE. MAINTENANCE REPLACED DEFECTIVE FLAME DETECTOR. REF: S-76 IPC, CHAPTER 26-11-00, FIGURE 1, ITEM 21.

Part: SMOKE DETECTOR — MALFUNCTION (ENGINE)

SMOKE DETECTOR GAVE INDICATION OF FIRE ONCE IN FLIGHT.

Part: INDICATOR — FAILED (GAS GEN TACH)

GAS GEN TACH NO INDICATION ON DISPLAY OR ANALOG.

Part: RELAY — FAILED (DC SYS)

RELAY CONTACTS STUCK. REPLACED WITH SERVICEABLE RELAY.

Part: VERTICAL GYRO — MALFUNCTIONED (AFCS)

VERT GURO CAUSES AFCS TO PORPOISE.

Part: AMPLIFIER — FAILED (DROOP COMP)

DROOP COMPENSATOR FAILED DCA TEST.

Part: INDICATOR — STICKS (FUEL QTY)

NR 1 NEEDLE STICKS AT ZERO.

Part: DAMPER — WEAK (M/R)

M/R DAMPER WEAK.

Part: TACH — INOPERATIVE (GAS GEN)

GAS GEN TACH NEEDLE AND DIGITS INOPERATIVE.

Part: INDICATOR — LEAKAGE (VERT SPEED)

RATE OF CLIMB INDICATOR CASE LEAKAGE.

Part: DAMPER — WEAK (M/R)

M/R DAMPER WEAK.

Part: VALVE — LEAKING (MLG)

PRIORITY VALVE LEAKING.

Part: DAMPER — WEAK (M/R)

M/R DAMPER WEAK.

Part: INDICATOR — FAILED (DUAL TORQUE)

DUAL TORQUE INDICATOR WILL NOT ADJUST DOWN.

Part: POWER SUPPLY — FAILED (STROBE)

POWER SUPPLY INOPERATIVE.

Part: RECEIVER — FAILED (2101A GPS)

CDI NOT CENTERED. 2101A GPS RECEIVER MALFUNCTION

Part: ACTUATOR — SHORTED (SERVO SYS)

ACTUATOR SHORTED OUT. TRIPS CIRCUIT BREAKER.

Part: ALTIMETER — DEFECTIVE (COCKPIT)

INDICATOR HAS EXCESSIVE FRICTION ERROR.

Part: INDICATOR — FAILED (ENG OIL)

INDICATOR WAS REMOVED FROM BOWL AND CLEANED. INSTALLED INDICATOR BACK ON BOWL, TESTED AND INDICATOR STILL DID NOT WORK. SCRAPPED INDICATOR AND REPLACED WITH SERVICEABLE PART.

Part: INDICATOR — FAILED (ENG OIL)

INDICATOR WAS REMOVED FROM BOWL AND CLEANED. INSTALLED INDICATOR BACK ON BOWL, TESTED AND INDICATOR STILL DID NOT WORK. SCRAPPED INDICATOR AND REPLACED WITH SERVICEABLE PART.

Part: TRIPOD MOUNT — DEFECTIVE (ENG RT AFT)

VIBRATION IN ENGINE MOUNT BOLT HOLE LOCATION AND IN WIDTH OF OUTBOARD FLANGE. BOLT HOLE LOCATION IS 1/16" HIGHER THAN EXISTING MOUNT. OUTBOARD FLANGE IS 1/8" SHORTER THAN EXISTING MOUNT. UNABLE TO OBTAIN PROPER EDGE DISTANCE.

Part: TIP CAP — CRACKED (M/R BLADE)

CRACK IN THE LEADING EDGE ABRASION STRIP WITH SEPARATION BEYOND LIMITS. THE "C" CHANNEL ALSO HAS SEPARATION.

Part: TRANSMITTER — OUT OF TOL (XMSN OIL PRESS)

TRANSMISSION OIL PRESSURE TRANSMITTER TRANSMITTS OUT OF TOLERANCE.

Part: TRANSCEIVER — DEFECTIVE (COCKPIT)

INTERMITTENT. WILL NOT RECEIVE.

Part: ACTUATOR — DEFECTIVE (AFCS)

ACTUATOR INTERMITTENTLY MOVES FROM RIGHT TO LEFT. TIME SINCE REPAIR 905:40.

Part: GYRO — PRECESSES (COCKPIT VG)

GYRO SLOW TO BECOME OPERATIONAL, PRECESSES.

Part: SERVO — WORN (M/R)

WORN BEARINGS. SENT TO HASE FOR MODIFICATION FOR CSN76-173 AND HR TEXTRON S.B. 0006760-06.

Part: INDICATOR — ERRORS (RADAR ALTIMETER)

VARIES 500 FEET.

Part: INDICATOR — DEFECTIVE (RADAR ALT)

UNABLE TO ROTATE DECISION HEIGHT NEEDLE FULL SWING AND LOOSE GLASS. FOUND GLASS PUSHED IN AND CLAMP WHICH HOLDS GLASS DOWN TO BE BROKEN. REPLACED CLAMP. REPAIRED. FOUND FLAG TO GET STUCK WHEN PRESSING SELF-TEST. RE-POSITIONED RETAINER ON FLAG ASSY. FOUND SHIELD TO BE STOPPING FLAG FROM MOVING.

Part: ACTUATOR — MALFUNCTION (AFCS)

ACTUATOR INTERMITTENTLY FALLS OFF LINE.

Part: ACTUATOR — TRIPS BREAKER (SERVO SYS)

MOTOR POPS CIRCUIT BREAKER.

Part: BEARING — PITTED (M/R GR BOX)

EXCESSIVE PITTING ON ROLLERS AND OUTER RACE.

Part: GYRO — PRECESSES (COCKPIT VG)

VERT GYRO PRECESSING.

Part: VERTICAL GYRO — DEFECTIVE (COCKPIT)

VERT GYRO TUMBLES ADI.

Part: BLADE — DAMAGED (T/R)

HOLE THROUGH THE LEADING EDGE STRIP ON PADDLE "B".

Part: ARMATURE — FAILED (START/GEN)

STARTER GENERATOR CAUSING GRINDING NOISE AND NO VOLTAGE OUTPUT.

Part: SELECTOR — DEFECTIVE (COCKPIT)

WILL NOT SELECT STATIONS. SENT TO THE RADIO SHOP FOR INSPECTION AND REPAIR.

Part: ARMATURE — SHORTED (GENERATOR)

GRINDING NOISE AND NO VOLTAGE OUTPUT. INSPECTED BY ACCESSORY SHOP AND FOUND GENERATOR S/N 1260 HAD NO VOLTAGE OUTPUT AS RECEIVED. DISASSEMBLED AND INSPECTED, FOUND ARMATURE WAS SHORTED OUT.

Part: ENCODER — READS LOW (COCKPIT)

ENCODER READS 500 FEET LOW OUT OF TOLERANCE.

Part: INDICATOR — READS LOW (POWER TURB TEMP)

INDICATOR READS 500 DEGREES LOW.

Part: GEARSHAFT — STEPWEAR (SPUR ADAPTER)

ENGINE REMOVED DUE TO TURBINE OVERHAUL AND 1750 HOUR INSPECTION. UPON INSPECTION OF COMPRESSOR PARTS, NOTED THE FOLLOWING: STEPWEAR IN EXCESS OF MAINTENANCE MANUAL LIMITS ON SPUR ADAPTER GEARSHAFT FORWARD AND AFT SPLINES. INSTALLED NEW SPUR ADAPTER GEARSHAFT.

Part: POTIENTIOMETER — DEFECTIVE (AFCS ACTUATOR)

POTENTIOMETERS CHECKED BAD ON STRIP CHART.

Part: GYRO — DEFECTIVE (COCKPIT VERT)

V GYRO CAUSES ADI TO OSCILLATE.

Part: COUPLING — STEPWEAR (ENG N1)

ENGINE REMOVED DUE TO TURBINE OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: STEP WEAR BEYOND LIMITS ON N1 COUPLING FORWARD I.D. SPLINES. INSTALLED NEW N1 COUPLING.

Part: FILTER CAP — BROKEN (GEAR BOX OIL)

ON 5-31-95 AT 1700, PILOT REPORTED NR 2 ENGINE LOW PRESSURE LIGHT ON. OIL PRESSURE LOW. SMELL OF OIL IN CABIN. SHUT DOWN ENGINE. SINGLE ENGINE LANDING MADE IN HOUMA. FOUND EAR ON ENGINE OIL FILTER CAP BROKEN, O-RING CUT. MINIMUM OIL PRESSURE BEFORE ENGINE SHUT DOWN, 50 PSI. S-76 IPC, FIGURE 9, SECTION 72-60-00, ITEM 4.

Part: GYRO — DEFECTIVE (COCKPIT VG)

CO-PILOT GYRO RATCHETY.

Part: GYRO — PRECESSING (COCKPIT VG)

GYRO PRECESSING.

Part: GYRO — PRECESSING (AFCS)

GYRO PRECESSING.

Part: CONTROL — DEFECTIVE (COCKPIT)

THIRD NUMBER WILL NOT LINE UP HARD TO TURN.