N230UN
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.
238 reports on file, 1995-01-08 – 1999-04-07.
Part: RECEIVER — INTERMITTENT (COCKPIT)
VHF NAVIGATOR RECEIVER INTERMITTENT.
Part: LIGHT — FAILED (COCKPIT)
FUEL PRESSURE LIGHT WILL NOT ILLUMINATE.
Part: BEARING — DEBONDED (MAIN ROTOR)
METAL PLATE DEBONDED.
Part: BEARING LINER — DAMAGED (XMSN MOUNT)
BEARING LINER COATING IS DAMAGED AND METAL IS CHAFED.
Part: FITTING — CHAFED (M/R DRIVE)
FITTING ASSEMBLY CHAFED BEYOND LIMITS.
Part: RESTRAINT ASSY — FRAYED (M/R TRANSMISSION)
RESTRAINT ASSEMBLY FRAYED AND I.D. TAG UNREADABLE.
Part: SUPPORT — CRACKED (CREW DOOR)
SUPPORT ASSEMBLY FOR DOOR FOUND CRACKED.
Part: DOOR — CORRODED (COCKPIT)
DOOR HAS CORROSION BEYOND LIMITS.
Part: SLAT ASSY — SEPARATED (FUSELAGE)
RIGHT SLAT ASSEMBLY SEPARATED. UNABLE TO PROVIDE ASSY, PURCHASED PIECE PARTS: 4 EACH, 222-035-002-101, SUPPORT; 1 EACH, 222-035-002-103, SUPPORT; 1 EACH, 222-035-002-105, SUPPORT; 1 EACH, 222-035-003-111, RIGHT SLAT.
Part: BEARINGS — WORN (CREW DOOR)
DOOR HAS WORN BEARINGS.
Part: FLEXURE ASSY — CHAFED (MAIN ROTOR)
FLEXURE ASSEMBLY CHAFED.
Part: SEAT BACK — BROKEN (COCKPIT)
SEAT BACK IS BROKEN AT LOWER CORNER.
Part: BEARING — UNBONDED (MAIN ROTOR)
LOWER PLATE CHAFED AND UNBONDED ON MAIN ROTOR.
Earlier reports · 1995–1998 · 225 reports
1998
Part: COVER — CRACKED (M/R GEARBOX)
COVER CRACKED AND BROKEN. MOUNT FLANGE MISSING.
Part: TRANSDUCER — READS HIGH (OIL PRESSURE)
TRANSDUCER READS HIGH.
Part: ANTENNA — INOPERATIVE (MARKER BEACON)
BEACON INTERMITTENT, INOPERATIVE.
Part: VALVE — DAMAGED (AIR COND)
VALVE HAS INTERMITTENT OPERATION.
Part: BEARING — CRACKED (TAIL ROTOR)
HUB REMOVED FOR 2500 HOUR OVERHAUL. FOUR EACH BLADE BEARINGS CRACKED.
Part: HUB — DAMAGED (TAIL ROTOR)
HUB REMOVED FOR 2500 HOUR OVERHAUL. FOUR EACH BLADE BEARINGS CRACKED.
Part: LORAN — DAMAGED (COCKPIT)
RIGHT SIDE OF GLASS CRAZED. HARD TO SEE FROM PILOT SEAT.
Part: SEAT BACK — CRACKED (COCKPIT)
SEAT BACK BROKEN (CRACKED).
Part: SHUNT — FAILED (AC SYSTEM)
GENERATOR DROPS OFF LINE WITH HIGH VOLTAGE.
Part: LINK — WORN (T/R)
T/R P/C LINKS BEARINGS WORN.
Part: BEARING — UNBONDED (MAIN ROTOR)
METAL SLIDER ON BEARING PAD CAME UNBONDED ON LEFT AFT AND RIGHT AFT SIDE OF NODAL BEAM. SERIAL NUMBERS REMOVED ARE 0042 AND BR146.
Part: BEARING — CRACKED (T/R GEARBOX)
T/R GEARBOX BEARINGS CRACKED.
Part: ISOLATION MT — WORN (M/R)
ISOLATION MOUNT HAS WORN BEARING.
Part: BUSHING — DAMAGED (M/R DRIVE)
BUSHING DAMAGED. REPLACED WITH SERVICEABLE PART.
Part: BEARING — DAMAGED (T/R)
BEARING WORN AND DAMAGED. REPLACED WITH SERVICEABLE PART.
Part: BEARING — WORN (M/R CONTROL)
BEARINGS WORN. REPLACED WITH SERVICEABLE PART.
Part: BEARING — WORN (M/R CONTROL)
BEARINGS WORN. REPLACED WITH SERVICEABLE PART.
Part: BEARING — ROUGH (FLT CONTROL)
BEARING ROUGH. REPLACED WITH SERVICEABLE PART.
Part: BEARING — WORN (M/R DRIVE)
BEARINGS WORN. REPLACED WITH SERVICEABLE PART.
Part: BEARING — WORN (M/R CONTROL)
BEARINGS WORN. REPLACED WITH SERVICEABLE PART.
Part: BEARING — WORN (M/R DRIVE)
BEARINGS WORN. REPLACED WITH SERVICEABLE PART.
Part: BEARING — WORN (T/R CNTR WT)
BEARINGS WORN. REPLACED WITH SERVICEABLE PART.
Part: FILTER — DEFECTIVE (ENG OIL)
ENG OIL FILTER NO BYPASS INDICATION.
Part: SEARCH LIGHT — FAILED (EXT LIGHT)
SEARCH LIGHT BULB WILL NOT ILLUMINATE.
Part: SHUNT — FAILED (NR 1 GEN)
NR1 GENERATOR WOULD NOT COME ON LINE.
Part: SPRING — DETERIORATED (M/R FLAP)
M/R FLAPPING ELASTOMER CRACKING AND DETERIORATED. SERIAL NUMBERS REMOVED LK0092 AND LK0067.
Part: IDLER — WORN (T/R)
IDLER BEARING HAS PLAY.
1997
Part: SWITCH — DEFECTIVE (FLOAT)
FLOAT SWITCH HAS LOOSE PARTS INSIDE.
Part: CONTROL — CHIPPED (COCKPIT NAV)
PAINT CHIPPED. PERFORMED PRELIMINARY INSPECTION. FOUND PAINT ON FACEPLATE CHIPPED. REPLACED FACEPLATE P/N 088-1103-18. REPAIRED. BENCH CHECK GOOD.
Part: BEARING — SEPARATED (M/R)
BEARING SEPARATED.
Part: BEARING — CRACKED (T/R HEAD)
BEARING CRACKED. SCRAPPED BEARINGS.
Part: FLEXURE ASSY — WORN (M/R)
FLEXURE ASSY WORN WHERE THEY MOUNT TO FORWARD/AFT FITTING.
Part: BEARING LINER — WORN (TRANSMISSION)
BEARING LINER WORN.
Part: BEARING — CRACKED (M/R)
BEARING IS CRACKED UNDER MOUNTING SURFACE.
Part: BEARING LINER — WORN (TRANSMISSION)
BEARING LINER WORN.
Part: BEARING LINER — WORN (TRANSMISSION)
BEARING LINER WORN.
Part: BEARING — WORN (NODAL BEAM)
NODAL BEAM BEARING FAILED FEELER GAUGE TEST.
Part: BEARING — WORN (NODAL BEAM)
NODAL BEAM BEARING FAILED FEELER GAUGE TEST.
Part: BEARING — WORN (NODAL BEAM)
NODAL BEAM BEARING FAILED FEELER GAUGE TEST.
Part: BEARING — CRACKED (M/R)
BEARING IS CRACKED UNDER MOUNTING SURFACE.
Part: RIB — CRACKED (TAIL BOOM)
RIB CRACKED.
Part: FITTING ASSY — DEFECTIVE (TAIL BOOM)
EVALUATE TAIL ROTOR GUARD MOUNT HOLE.
Part: ARM — DEFECTIVE (M/R)
BUFFER PADS MISSING.
Part: LEVER — WORN (M/R)
LEVER BEARING IS RATCHETY.
Part: THERMOVALVE — DEFECTIVE (XMSN)
METAL CONTAMINATION IN TRANSMISSION.
Part: CAP ASSY — DEFECTIVE (M/R)
BUFFER PADS MISSING.
Part: CAP ASSY — DEFECTIVE (M/R)
BUFFER PADS MISSING.
Part: FITTING ASSY — DEFECTIVE (TAILBOOM)
ELONGATED TAIL ROTOR GUARD HOLE.
Part: LINK — WORN (T/R)
LARGE BEARING HAS .008 RADIAL PLAY.
Part: OIL COOLER — CONTAMINATED (XMSN)
METAL CONTAMINATION IN TRANSMISSION.
Part: EXHAUST STACK — CRACKED (ENGINE)
EXH STACK CRACKED.
Part: PANEL ASSY — DAMAGED (XMSN)
TRANSMISSION ASSY DAMAGE ON R/H TOP SIDE.
Part: ARM — CHAFED (RT AFT NODAL)
RT AFT NODAL ARM CHAFED.
Part: THERMOVALVE — CONTAMINATED (OIL TEMP)
OIL TEMP REGULATOR METAL CONTAMINATION.
Part: INNER RACE — WORN (T/R)
T/R INNER RACE WORN.
Part: OIL COOLER — CONTAMINATED (ENG OIL)
OIL COOLER METAL CONTAMINATION.
Part: BELLCRANK ASSY — WORN (T/R CONTROL)
BELLCRANK BEARINGS ARE ROUGH.
Part: LIFT LINK ASSY — SEPARATED (M/R)
LIFT LINK BEARING SEPARATED.
Part: LOCK RING — WORN (T/R)
T/R LOCK RING WORN.
Part: UP-STOP — CHAFED (TRANSMISSION)
TRANSMISSION UP STOP LINK CHAFED.
Part: BEARING — WORN (M/R)
BEARING WORN AND DELAMINATED. SERIAL NUMBERS REMOVED ARE LK0126 AND LK 0123.
Part: BEARING LINER — BROKEN (XMSN MOUNT)
BEARING LINER IS BROKEN.
Part: BEARING — CORRODED (M/R)
BEARING HAS CORROSION AND PITTING INSIDE OF BOLT HOLES. SERIAL NUMBERS REMOVED ARE RX1312 AND RX1293.
Part: SEAL — LEAKING (M/R GR BOX)
SEAL LEAKING.
Part: MAST POLE ASSY — CORRODED (M/R)
MAST POLE ASSY CORRODED AND ALSO TOP SPLINE RUSTY AND WORN.
Part: SWASHPLATE — WORN (M/R)
SWASHPLATE ASSY BALL ASSY P/N 222-010-405-115 HAS LARGE GOUGES IN GUIDE SLOTS. SUPPORT ASSY ALSO HAS LARGE AREA WHERE THE PROTECTIVE ANODIZED SURFACES ARE REMOVED. (BALL ASSY IS WORN AND LEVER HARDWARE IS RUSTY)
Part: TRANSMISSION — MAKING METAL (MAIN ROTOR)
M/R TRANSMISSION MAKING METAL.
Part: ROD END — WORN (M/R XMSN)
ROD END BUSHING WORN.
Part: CHIP DETECTOR — FAULTY (T/R GR BOX)
T/R GEARBOX OIL DRAINS WHEN CHIP DETECTOR PULLED.
Part: ISOLATION MOUNT — WORN (M/R XMSN)
ISOLATION MOUNT WORN BEARING.
Part: VALVE — STICKS (AIR COND)
VALVE STICKS IN "ON" POSITION.
Part: GYRO — MALFUNCTION (COCKPIT)
GYRO STUCK IN A RIGHT ROLL POSITION, RADAR WILL NOT PAINT CORRECTLY.
Part: LIGHT — FAILED (STROBE)
STROBE LIGHT BURNT OUT.
Part: SKID ASSY — HOLE ELONGATED (TAIL)
SKID ASSY [TAIL] ATTACHMENT HOLE ELONGATED.
Part: PICKUP ASSEMBLY — FLUCTUATE (NR 2 N2)
ENGINE NUMBER 2 N2 TACH. FLUCTUATING.
Part: BRAKE ASSY — INOPERATIVE (ROTOR)
ROTOR BRAKE INOPERATIVE.
Part: ISOLATION MT — TORN (M/R XMSN)
ELASTOMER IS TORN AND SEPARATED CAUSING LATERAL VIBRATION IN CRUISE FLIGHT.
Part: ALTIMETER — INOPERATIVE (COCKPIT)
RADAR ALT INOPERATIVE. NEEDLE GOES TO MAX ALTITUDE WHEN TESTED.
Part: CONTROL — INTERMITTENT (COCKPIT ADF)
ADF CONTROL LED INTERMITTENT.
Part: INDICATOR — INOPERATIVE (HYD OIL)
GAUGE INOPERATIVE.
Part: ALTIMETER — INOPERATIVE (COCKPIT)
RADAR ALTIMETER INOPERATIVE.
Part: SKID SHOE — WORN (MLG)
RIGHT AFT SKID SHOE WORN.
Part: SWITCH GUARD — BROKEN (INST PANEL)
PLASTIC COVER BROKEN. PART SCRAPPED IN FIELD.
Part: ELT — MALFUNCTION (COCKPIT)
ELT COMES ON WITH SWITCH IN OFF POSITION.
Part: PC LINK — BEARING WORN (T/R)
PC LINK OUTBOARD BEARING WORN.
Part: ACTUATOR ASSY — LEAKING (SPLIT LINE)
ACTUATOR LEAKING BETWEEN CASE HALVES.
Part: EXHAUST DUCT — CRACKED (AFT SIDE)
CRACK IN EXHAUST DUCT AFT SIDE, CENTER.
Part: LINK — WORN (T/R)
WORN BEARING.
Part: LEVER ASSY — BEARING WORN (T/R)
LEVER ASSY BEARING WORN.
1996
Part: ISOLATION MOUNT — SEPARATION (M/R GR BOX)
RUBBER SEPARATED FROM CENTER SECTION.
Part: ISOLATION MOUNT — DEFECTIVE (M/R GR BOX)
TEFLON COMING OUT OF THE BEARING.
Part: EXHAUST STACK — CRACKED (ENGINE)
EXHAUST DUCT CRACKED.
Part: HANGER ASSY — BEARING ROUGH (T/R DRIVE)
HIGH FREQUENCY VIBRATION IN AIRFRAME. FOUND BEARING ROUGH AT T/R DRIVE #3 LOCATION.
Part: ACTUATOR ASSY — BINDING (PILOT VALVE)
ACTUATOR ASSY PILOT VALVE BINDING, CAUSING FEEDBACK IN CYCLIC.
Part: BEARING — WORN (M/R XMSN MT)
WORN BEARING.
Part: BEARING — WORN (RT XMSN MT)
PART IS WORN EXCESSIVELY. (BEARING WORN ON RIGHT TRANSMISSION ISOLATION MOUNT)
Part: ISOLATION MOUNT — BEARING WORN (XMSN)
ISOLATION MOUNT WORN BEARING.
Part: FITTING ASSY — HOLE WORN (T/R)
WORN BOLT HOLE.
Part: INDICATOR — DEFECTIVE (COCKPIT)
DOES NOT PICK UP GOOD SIGNAL BEYOND 15-20 MILE RANGE, VERY WEAK. TIME SINCE REPAIR 2310:55.
Part: LATCH ASSY — BROKEN (RT DOOR)
PILOT'S DOOR LATCH BROKEN.
Part: ISOLATION MOUNT — ERRODED (M/R XMSN)
TEFLON ERRODED AND BEARING GALLED.
Part: LATCH ASSY — CRACKED (RT DOOR)
PITLOT DOOR LATCH MECHANISM CRACKED.
Part: SHUNT — DEFECTIVE (AC SYS)
CAUSING OPPOSITE GENERATOR TO DROP OFF LINE.
Part: LEVER ASSY — BEARING WORN (T/R)
PIVOT BEARING WORN.
Part: LIGHT — FAILED (SEARCH LIGHT)
LIGHT WILL NOT COME ON.
Part: EXHAUST DUCT — CRACKED (NR 1 ENG)
EXHAUST DUCT CRACKED ON #1 ENGINE.
Part: SPRING — SEPARATION (M/R FLAPPING)
SEPARATION OF FLAPPING SPRINGS. SERIAL NUMBERS REMOVED LK0208M AND LK0181M.
Part: LINK ASSY — HOUSING LOOSE (T/R COUNTERWT)
BEARING HOUSING LOOSE IN LINK. (T/R COUNTERWEIGHT)
Part: RADAR RT — INTERMITTENT (COCKPIT)
INTERMITTENT OPERATION. TIME SINCE REPAIR 212:15.
Part: SKID ASSY — HOLE WORN (TAIL)
SKID MOUNT HOLE WORN.
Part: ACTUATOR ASSY — LEAKING (SPLIT LINE)
SERVO LEAKING FROM SPLIT LINE. LOWER BEARING WORN.
Part: BLADE — CRACKED (T/R)
BLADE IS CRACKED. BEARINGS P/N 222-312-753-103, 4 EACH BEARINGS ON BOTH BLADES ARE CRACKED. REPLACED BLADES.
Part: BLADE — CRACKED BEARING (T/R)
BEARINGS, 4 EACH P/N 222-312-753-103 BEING CRACKED ON BOTH BLADES.
Part: VALVE — DEFECTIVE (EMERG FLOAT)
VALVE IS DEFECTIVE. (DEFECTIVE PART NUMBER INSTALLED AS PER BELL HELICOPTERS)
Part: INDICATOR — DEFECTIVE (OIL FILTER)
UPON POSTFLIGHT CHECK OF #1 ENGINE NOTED OIL FILTER BYPASS INDICATOR EXTENDED. REPLACED OIL FILTER WITH NO CHANGE. INDICATOR REPLACEMENT CORRECTED PROBLEM. REPLACED DISCREPANT PART. PERFORMED FUNCTIONAL TEST. INDICATOR FAILED OPERATIONAL TEST PRESSURE RANGE.
Part: HANDLE ASSY — CRACKED (DOOR)
HANDEL IS CRACKED. (HOUSING IS CRACKED)
Part: GOVERNOR — MALFUNCTION (ENGINE)
ERRATIC POWER SETTINGS (GOVERNOR WOULD NOT STAY WITHIN UPPER LIMITS)
Part: FAIRING ASSY — CRACKED (GEAR ASSY)
FAIRING ASSY IS CRACKED AND WORN.
Part: FAIRING ASSY — CRACKED (GEAR ASSY)
FAIRING ASSY IS CRACKED AND WORN.
Part: INDICATOR — INOPERATIVE (COCKPIT DME)
INDICATOR READ OUT INOPERATIVE
Part: RADAR RT — MALFUNCTION (RADAR)
RT UNIT INTERMITTENT OPERATION.
Part: FUEL NOZZLE — DEFECTIVE (ENGINE)
REMOVED FUEL NOZZLE DUE TO CAUSING HUNG STARTS AND DELAYED LIGHT OFF. UPON INSPECTION OF FUEL NOZZLE FOUND MODERATE STREAKS IN SPRAY PATTERN, FOUND EXCESSIVE CARBON BUILD UP BETWEEN INNER TIP AND TIP NUT UNDER MAGNIFICATION AFTER ACCUMULATING 8:05SINCE LAST CLEANING AND INSPECTION. CLEANED, BENCH CHECKED, CALIBRATED AND FOUND ACCEPTABLE FOR RETURN TO SERVICE.
Part: BLEED VALVE — DEFECTIVE (ENGINE)
BLEED VALVE CAUSING ENGINE SURGE DURING POWER CHECK AT 70% TORQUE SINGLE ENGINE.
Part: TRANSMISSION — DEFECTIVE (M/R)
REPLACEMENT PART INFORMATION LISTED BELOW: 1 EACH, P/N 222-340-044-001, BEARING,S/N J0154, T.T. 2560:55, SPALLED 1 EACH, P/N 222-040-112-103, SUN GEAR, S/N A187, T.T. 2560:55, GEARTEETH BROKEN 1 EACH, P/N 222-040-079-002, CASE, S/NA268, T.T. 2560:55, CHIPPED AROUND INSERT 2 EACH, P/N 222-340-049-001, RETAINER ASSY, S/N FD582 & FD693, FLAKING 1 EACH, P/N 222-040-117-107, GEAR, S/N A267, SEATING SURFACE NOT FULL CONTACT 1 EACH, P/N 222-040-123-001, SHAFT, S/N A188, SEATING SURFACE NOT FULL CONTACT 1 EACH , P/N 222-040-115-101, GEAR, S/N A104, TOOTH CHIPPED 1 EACH, P/N 222-040-131-101, GEAR, S/N A168,SCARRED FROM MATING GEAR 1 EACH, P/N 222-040-062-101, CASE, S/N A190, WORN LINER
Part: SHAFT ASSY — CORRODED (M/R DRIVE)
CORROSION PITS ON I/D OF SHAFT.
Part: SHAFT ASSY — CORRODED (M/R DRIVE)
CORROSION PITS ON I/D OF SHAFT.
Part: CONTROL UNIT — DEFECTIVE (FUEL QTY)
R/H FUEL QUANTITY INTERMITTENTLY READS ZERO.
Part: GEARBOX — CORRODED (T/R)
300 HOUR INSPECTION DUE. NOTE: CORROSION FOUND BEYOND LIMITS)
Part: ACTUATOR ASSY — LEAKING (FLIGHT CONT)
ACTUATOR LEAKING FROM LOWER PISTON SEAL.
Part: EXHAUST STACK — CRACKED (ENG)
EXH STACK IS CRACKED.
Part: SHUNT — DEFECTIVE (DC GEN SYS)
#1 AND #2 GENERATOR NOT COMING ON LINE INTERMITTENTLY.
Part: GOVERNOR — FAILED (ENGINE)
HIGH SIDE GOVERNOR FAILURE.
Part: FUEL CONTROL — FAILED (ENGINE)
FUEL CONTROL INVOLVED IN A HIGH SIDE GOVERNOR FAILURE AND ROTOR WENT TO 112%.
Part: ISOLATION MT — BEARING WORN (M/R XMSN)
LATERAL ISOLATION MOUNT HAS WORN BEARING BEYOND LIMITS.
Part: CASE ASSY — BUSHING WORN (M/R LINK)
WORN INBOARD IDLER LINK LUG BUSHINGS.
Part: ACTUATOR — DEFECTIVE (ENG CONTROL)
UNABLE TO BEEP DUAL ENGINE RPM UP OR DOWN.
Part: LINK — WORN EXCESS (T/R)
LINK IS WORN EXCESSIVELY. (SPHERICAL BEARINGS WORN)
Part: PITCH LINKS — WORN (T/R)
PITCH LINK BEARINGS WORN.
Part: ISOLATION MOUNT — BEARING WORN (M/R XMSN)
MOUNT BEARING WORN.
Part: HOSE ASSY — CHAFED (HYD SYS)
HOSE CHAFED
Part: ACTUATOR — DEFECTIVE (M/R)
STROKE ADJUSTMENT WAS NOT CONSTANT AND WOULD NOT ADJUST TO MINIMUM RANGE.
Part: RELAY — FAULTY (DC SYS)
WHEN STARTING EITHER #1 OR #2 ENGINES FIRST, RESPECTIVE STARTER GENERATOR WOULD NOT COME ON LINE. (INTERMITTENT PROBLEM)
Part: RELAY — FAULTY (DC SYS)
TROUBLESHOOTING GENERATORS COMING OFF LINE, AFTER ENGINE START. FOUND RELAY FAULTY.
Part: BLOWER — DEFECTIVE (RAM AIR)
RAM AIR BLOWER INTERMITTENT OPERATION.
Part: SENSOR — DEFECTIVE (M/R RPM)
MAIN ROTOR NEEDLE ON TRIPLE TACH IS ERRATIC.
Part: HOSE — TORN (AIR COND)
AIRCONDITION RETURN VENT HOSE TORN AND COLLAPSED. SCRAPPED IN FIELD.
Part: BEARING — WORN (T/R)
T/R BEARING RACE WORN.
Part: CHIP DETECTOR — SHORTED (TRANSMISSION)
CHIP PLUG HAS INTERNAL SHORT CAUSING TRANS CHIP LIGHT.
Part: BELLCRANK ASSY — BEARING WORN (ENG CONTROL)
BELLCRANK BEARING WORN.
Part: ROD END — BEARING WORN (M/R)
BEARING WORN; TEFLON GONE AND BEARING STARTING TO BECOME GALLED.
Part: ACTUATOR — INOPERATIVE (M/R)
ACTUATOR INTERMITTENTLY INOPERATIVE.
1995
Part: COUPLING — DEFECTIVE (M/R DRIVE)
COUPLINGSLINGING GREASE.
Part: COUPLING — DEFECTIVE (M/R DRIVE)
COUPLING SLINGING GREASE.
Part: TRANSMISSION — OIL LEAK (T/R QUILL)
TRANSMISSIONOIL LEAK,
Part: ROLLER ASSY — SHEARED (DOOR)
ROLLER AXLE SHEARED.
Part: SWITCH — DEFECTIVE (FLOAT)
ON FLOAT INSPECTION, SWITCH WORKS INTERMITTENTLY.
Part: SOLENOID — DEFECTIVE (IDLE STOP)
INTERMITTENT IDLE STOP.
Part: INDICATOR — FLUCTUATES (COCKPIT TACH)
TRIPLE TACH FLUCTUATES ON HIGH END. WILL NOT REACH 100%.
Part: SLAT — DETERIORATED (HORIZ STAB)
LT SLAT DETERIORATING.
Part: REGULATOR — DEFECTIVE (NR 2 GEN)
#2 GENERATOR WILL NOT COME ON LINE.
Part: MOUNT — SEPARATED (M/R XMSN)
ISOLATION MOUNT ELASTOMER SEPARATED.
Part: REGULATOR — DEFECTIVE (NR 2 GENERATOR)
#2 GENERATOR LIGHT WILL NOT GO OUT. VOLTAGE REG DEFECTIVE.
Part: SWITCH — FAILED (NR 1 FUEL VLV)
#1 FUEL VALVE SWITCH WILL NOT LATCH.
Part: LATCH ASSY — DEFECTIVE (PILOT DOOR)
PILOTS DOOR WOULD NOT OPEN OR CLOSE PROPERLY.
Part: PITCH LINKS — BEARING WORN (T/R PC LINK)
T/R P/C LINKS BEARINGS WORN BEYOND LIMITS.
Part: BEARING — WORN (M/R MOUNT)
ROLL STAKE BEARING WORN.
Part: LIFT LINK ASSY — BEARING FAILED (M/R)
LIFT LINK ASSY LOWER BEARING SEPARATED FROM RUBBER.
Part: REGULATOR — FAILED (DC VOLTS)
GENERATOR LIGHT REMAINS ON. VOLTAGE REG DEFECTIVE.
Part: BRAKE ASSY — FAILED (ROTOR)
ROTOR BRAKE PUCK BROKE AND PUCK PISTON RUBBED DISC.
Part: LATCH ASSY — MIS INSTALLED (DOOR LT)
THE LATCH SLIDER INSTALLED UPSIDE DOWN. THE TWO PIN HOLE SIDE OF SLIDER SHOULD BE ON THE BOTTOM OF THE LATCH.
Part: BELLCRANK — WORN (ENGINE)
WORN BEARING AND STIFF (BEARING HAD FROZE UP)
Part: TRANSCIEVER — WEAK (COCKPIT VHF)
TRANSCEIVER WEAK AND LOW MODULATION.
Part: TRANSCIEVER — WEAK (COCKPIT VHF)
TRANSCEIVER WEAK AND LOW MODULATION.
Part: REGULATOR — MALFUNCTION (NR 2 GENERATOR)
#2 GENERATOR LIGHT WILL NOT GO OUT.
Part: CUSHION STRAP — TORN (FLOAT BOTTLE)
FLOAT BOTTLE CLAMP CUSHIONS TORN.
Part: ALTIMETER — ERROR (COCKPIT)
ALTIMETER NEEDLE IS 140 FEET OFF AT 18,000 FEET. ALSO, INTERMITTENTLY STICKS WHEN DECREASING ALTITUDE. TIME SINCE REPAIR 164:25.
Part: VENT WINDOW — HINGE BROKEN (COCKPIT)
VENT WINDOW HINGES BROKEN.
Part: ACTUATOR — DEFECTIVE (M/R)
ACTUATOR WOULD NOT BEEP.
Part: TUBE ASSY — CRACKED (NR 2 ENG N1)
#2 ENGINE N1 NOT ADVANCING WITH THROTTLE INPUT. UPON TROUBLESHOOTING NOTED THE FOLLOWING: CRACKED TUBE ASSY APPROXIMATELY 270 DEGREES AROUND FERRULE MATING SURFACE AT GOVERNOR END. SCRAPPED TUBE ASSEMBLY AND INSTALLED NEW TUBE ASSY.
Part: ANTENNA PEDESTAL — DEFECTIVE (RADAR)
ANTENNA FUNCTIONS INTERMITTENTLY.
Part: DUCT — TORN (RT ENG COWL)
R/H ENG. COWL DUCT TORN. SCRAPPED IN FIELD.
Part: ENCODER — DEFECTIVE (COCKPIT)
ENCODER IS 130 FEET OFF AT 15,000 FEET.
Part: PIVOT SPRING — WORN (RT AFT DOOR)
R/H AFT DOOR PIVOT PIN WORN.
Part: SPLICE COVER — DETERIORATED (M/R)
SPLIT AND DETERIORATED.
Part: SKID SHOE — WORN (LT AFT)
L/H AFT SKID SHOE WORN.
Part: REGULATOR — MALFUNCTION (DC SYS)
GENERATOR LIGHT STAYS ON WHILE GENERATOR IS OPERATING.
Part: VALVE — DEFECTIVE (AIR COND)
ECU CIRCUIT BREAKER POPS.
Part: ACTUATOR ASSY — LEAKING (FLIGHT CONTROL)
HYDRAULIC FLUID LEAKING FROM PISTON.
Part: ISOLATION MOUNT — DEFECTIVE (M/R GR BOX)
ISOLATION MOUNT REMOVED TO TROUBLESHOOT VIBRATION. SEE MMIR# HEEA0005366 FOR ADDITIONAL ISOLATION MOUNT REPLACED.
Part: ISOLATION MOUNT — CRACKED (M/R GR BOX)
RUBBER DETERIORATED AND CRACKED. SEE MMIR# HEEA0005365 FOR ADDITIONAL ISOLATION MOUNT REPLACED.
Part: MOUNT — CRACKED (XMSN ISOLATION)
TRANSMISSION LATERAL ISOLATION MOUNT FAILED IN FLIGHT.
Part: PANEL — CRACKED (FUSELAGE)
PANEL CRACKED. PARTS SCRAPPED IN FIELD.
Part: RELAY — FAULTY (NR 1 GEN)
BUS INHIBIT RELAY CAUSING #1 GENERATOR TO KICK OFF LINE WHEN #2 ENGINE IS STARTED.
Part: PITCH LINK — BEARING WORN (T/R)
PITCH LINK BEARINGS WORN.
Part: REGULATOR — DEFECTIVE (DC SYS)
GENERATOR LIGHT STAYS ON WITH GENERATOR ON LINE.
Part: PITCH LINK — BEARING WORN (T/R)
PITCH LINK BEARINGS WORN.
Part: RELAY — DEFECTIVE (DC SYS)
CAUSES INTERMITTENT BUSS RELAY TO REMAIN ON WITH BOTH GENERATORS ON LINE.
Part: CONTACTOR — DEFECTIVE (NR 1 GEN)
#1 GENERATOR WILL NOT COME ON LINE.
Part: ENCODER — DEFECTIVE (COCKPIT)
ENCODER JUMPS FROM 10K READING BACK TO 9K (ENCODER IS BAD)
Part: BRACKET ASSY — CRACKED (FLOAT BOTTLE)
RIGHT HAND BRACKET FOR FLOAT BOTTLE CRACKED.
Part: CONTACTOR — STICKS (DC SYS)
CONTACTS ON TERMINALS 12 AND 13 STICK IN THE CLOSED POSITION. HELD AT PHI FOR CSR SIGNATURE.
Part: SWASHPLATE — BEARING ROUGH (M/R)
ON BI-ANNUAL INSPECTION FOUND ROUGHNESS IN THE SWASHPLATE DUPLEX BEARING.
Part: STARTER — BRUSH WORN (START GEN)
BRUSHES WORN TO ABOUT 1/4
Part: FITTING ASSY — RIVETS LOOSE (T/R)
TAIL ROTOR GUARD FWD FITTING P/N 222-035-168-101 HAS SEVERAL WORKING RIVETS. THE TOP CLIP P/N 222-035-167-117 IS CRACKED IN RADIUS. THE DOUBLER P/N 222-035-167-115 IS ALSO CRACKED IN RADIUS. REPAIRED BY PHI.
Part: DUCT — CRACKED (EXHAUST)
EXHAUST DUCT CRACK.
Part: GEARBOX — LEAKING (T/R)
REPAIR DUE TO SEALS LEAKING.
Part: HOSE ASSY — CHAFED (NR 1 HYD)
PRESSURE LINE ON #1 HYD SYSTEM CHAFFED.
Part: HOSE ASSY — LEAKING (OIL SYS)
HOSE LEAKING THROUGH BRAIDS.
Part: TRANSMITTER — FAILED (NR 1 ENG TORQUE)
#1 ENGINE TORQUE INDICATION READS ZERO ON GAUGE.
Part: BLADE — CRACKED (M/R)
CLOSURE AT BLADE ROOT TRAILING EDGE SIDE CRACKED. REPAIRED THREE TIMES PREVIOUSLY.
Part: TRANSCEIVER — DEFECTIVE (COCKPIT DME)
DME WILL NOT HOLD STATIONS.
Part: GEAR BOX — CRACKED (90 DEG GR BOX)
90 DEGREE GEARBOX CASTING CRACKED ON WEBBING IN FOUR PLACES.
Part: SLEEVE — DEFECTIVE (T/R)
REPLACED WITH MODIFIED PART.
Part: BLADE — DAMAGED (T/R)
T/R BLADES HAVE LEADING EDGE DAMAGE.
Part: LORAN — DEFECTIVE (COCKPIT)
LORAN INTERMITTENTLY LOSES PROGRAM.
Part: ACTUATOR — INOPERATIVE (DROOP COMP)
ACTUATOR INOPERATIVE; NO MOVEMENT OF MOTOR.
Part: SHAFT SEAL — LEAKING (START/GENERATOR)
LEAK AT STARTER GENERATOR SEAL. REPLACED WITH SERVICEABLE SEAL.
Part: LIFT LINK — BEARING WORN (M/R)
LOWER BEARING WORN, CAUSING VIBRATION.
Part: BEARING — WORN (ISO MOUNT)
ROD END BEARING WORN ON LATERAL ISOLATION MOUNT.
Part: PYLON MOUNT — BEARING WORN (M/R)
ROD END BEARING WORN ON R/H LONGITUDINAL ISOLATION MOUNT.
Part: INDICATOR — MALFUNCTION (ROTOR)
ROTOR NEEDLE WORKS INTERMITTENTLY, STAYS ON ZERO ON FIRST START OF THE DAY.
Part: PITCH LINKS — WORN (T/R)
BEARING WORN BEYOND LIMITS.
Part: ISOLATION MOUNT — SEPARATED (M/R XMSN)
ELASTOMERIC BEARING SEPARATED.
Part: PITCH LINKS — WORN (T/R)
BEARING WORN BEYOND LIMITS.
Part: BEARING — WORN (M/R)
YELLOW M/R P/C LINK TRUNNION BEARING WORN; MAKING A BLACK PASTE.