N406PH

BELL 407 · 1997 · Rotorcraft · 1 engine · 7 seats · Valid Registration

Registered owner: PHI AVIATION LLC, LA (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

OperatorRolePeriodBasis
PHI Aviation, LLC (HEEA)Certificate holderMatched by certificate designator

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.

150 reports on file, 1997-11-20 – 2024-11-22.

WARNING INDICATION · 2024-11-22 Matched by certificate designator
ATA 6320

Part: TRANSMISSION — MAKING METAL (MAIN) · airframe 25,802 hrs

SHORTLY AFTER TAKEOFF WHILE IN CRUISE FLIGHT, CHIP XMSN LIGHT ILLUMINATED. RETURNED TO HMAE.

Source: SDR HEEA202411260001
Earlier reports · 1997–2016 · 149 reports

2016

OTHER · 2016-07-29 Matched by certificate designator
ATA 7250

Part: BEARING — SPALLED (ENGINE TURBINE) · airframe 18,051 hrs

ENGINE REMOVED 7-13-16 FOR TURBINE OVERHAUL. NR 5 BEARING EXHIBITED SPALLING AT OUTER RACE SPLIT. INSTALLED A NEW NR 5 BEARING.

Source: SDR HEER20160729926

2015

OTHER · 2015-10-09 Matched by certificate designator
ATA 7250

Part: BEARING — SPALLED (TURBINE) · airframe 16,992 hrs

ENGINE REMOVED 9-13-15 FOR TURBINE O/H. NR 5 BEARING EXHIBITS PROBABLE SPALLING AT OUTER RACE SPLIT. PART WILL BE RETURNED TO MFG FOR FURTHER EVALUATION.

Source: SDR HEER20151009767

2011

OTHER · 2011-06-28 Matched by certificate designator
ATA 5320

Part: STRUCTURE — CORRODED · airframe 13,175 hrs

FWD LOWER SHELL ASSY WAS FOUND TO BE CORRODED. REPAIRED IN ACCORDANCE WITH FAA-APPROVED REPAIR DATA.

Source: SDR HEEA131562
OTHER · 2011-06-25 Matched by certificate designator
ATA 7603

Part: THROTTLE CABLE — BROKEN · airframe 13,176 hrs

INNER CABLE BROKE APPROX 9 INCHES FROM FORWARD END. THIS IS WHERE CABLE MAKES A SHARP BEND UNDER THE PILOTS SEAT. IT IS SUSPECTED THAT THIS PART IS ORIGINAL. INSTALLATION FROM OEM. REPLACED CABLE WITH NEW PART.

Source: SDR HEEA131909

2010

OTHER · 2010-12-07 Matched by certificate designator
ATA 7250

Part: BEARING — SPALLED (NR 5) · airframe 12,705 hrs

ENGINE REMOVED DUE TO METAL IN OIL. NR5 BRG OUTER RACE AND BALLS ARE SPALLED, SEPERATOR IS WORN AND CRACKED. INSTALLED REPLACEMENT PARTS.

Source: SDR HEEA129893

2009

OTHER · 2009-01-16 Matched by certificate designator
ATA 5330

Part: SKIN — CRACKED (FUSELAGE) · airframe 10,493 hrs

SKIN CRACKED, REPLACED WITH SERVICEABLE SKIN. NOTE: PREVIOUSLY SUBMITTED ON 1/20/09.

Source: SDR HEEA123021

2003

OTHER · 2003-06-24 Matched by certificate designator
ATA 6320

Part: CASE — CORRODED · airframe 5,527 hrs

TRANSMISSION ASSY HAS CORROSION AT LOWER CASE MATING FLANGE. REPLACED WITH SERVICEABLE PART.

Source: SDR HEEA087851
OTHER · 2003-06-20 Matched by certificate designator
ATA 7532

Part: BLEED VALVE — FAILED (ENGINE) · airframe 5,518 hrs

BLEED VALVE MAKING ENGINE RUN HOT. REPLACED WITH SERVICEABLE PART.

Source: SDR HEEA087835
WARNING INDICATION · 2003-06-18 Matched by certificate designator
ATA 2822

Part: CARTRIDGE — FAILED (BOOST PUMP) · airframe 5,512 hrs

LEFT BOOST LIGHT ILLUMINATED. REPLACED WITH SERVICEABLE PART.

Source: SDR HEEA087829
OTHER · 2003-06-12 Matched by certificate designator
ATA 2561

Part: LIFE VEST — LEAKING (CABIN) · airframe 5,433 hrs

LIFE VEST LEAKING. REPLACED.

Source: SDR HEEA087494
OTHER · 2003-06-12 Matched by certificate designator
ATA 6340

Part: INDICATOR — INOPERATIVE (TRANS OIL TEMP) · airframe 5,202 hrs

TRANSMISSION OIL TEMP INDICATOR LIGHT DIM. SENT TO MFG FOR CREDIT.

Source: SDR HEEA087437
OTHER · 2003-06-12 Matched by certificate designator
ATA 2497

Part: CONNECTOR — CORRODED (ELECTRICAL) · airframe 5,394 hrs

CONNECTOR CORRODED AND BURNED. SCRAPPED.

Source: SDR HEEA087478
OTHER · 2003-06-12 Matched by certificate designator
ATA 2841

Part: INDICATOR — INOPERATIVE (FUEL QTY) · airframe 5,471 hrs

FUEL QTY INDICATOR DISPLAY DIM. TO BE SENT TO MFG FOR CREDIT.

Source: SDR HEEA087438
OTHER · 2003-06-12 Matched by certificate designator
ATA 3421

Part: GYRO — MALFUNCTIONED (COCKPIT) · airframe 5,436 hrs

HORIZON GYRO WILL NOT STAY ERECT. REPAIRED.

Source: SDR HEEA087453
OTHER · 2003-06-11 Matched by certificate designator
ATA 6410

Part: BLADE — DAMAGED (T/R HUB ASSY) · airframe 5,202 hrs

SEPARATION ON TRAILING EDGE AT THE TIP. REPAIRED.

Source: SDR HEEA087309
OTHER · 2003-06-04 Matched by certificate designator
ATA 7320

Part: HMU — FAILED (ENGINE) · airframe 5,372 hrs

SHOWED BAD ON PLA DATA. SENT FOR INSPECTION AND REPAIR.

Source: SDR HEEA087000
OTHER · 2003-06-03 Matched by certificate designator
ATA 7532

Part: BLEED VALVE — MALFUNCTIONED (ENGINE) · airframe 5,211 hrs

ANTI ICE LIGHT ILLUMINATED IN FLIGHT. REPLACED.

Source: SDR HEEA086994
OTHER · 2003-02-12 Matched by certificate designator
ATA 2420

Part: CONTACTOR — FAILED (ELECTRICAL) · airframe 3,961 hrs

CAUSING START/AUTO RELIGHT CAUTION LIGHTS TO NOT ILLUMINATE.

Source: SDR HEEA084406
OTHER · 2003-02-11 Matched by certificate designator
ATA 2840

Part: SIGNAL COND UNIT — MALFUNCTIONED (FUEL QTY SYS) · airframe 4,662 hrs

SIGNAL COND UNIT READS 23 POUNDS LOW OF PROPER RANGE AT FULL LEVEL.

Source: SDR HEEA084359
OTHER · 2003-02-11 Matched by certificate designator
ATA 6330

Part: MOUNT — WORN (GEARBOX) · airframe 4,880 hrs

RT REAR MAIN ROTOR GEARBOX MOUNT IS WORN.

Source: SDR HEEA084295
OTHER · 2003-02-11 Matched by certificate designator
ATA 6320

Part: BYPASS VALVE — MALFUNCTIONED (GEARBOX OIL SYS) · airframe 4,981 hrs

MAIN ROTOR GEARBOX OIL SYSTEM BYPASS VALVE INDICATOR BUTTON WILL NOT STAY IN.

Source: SDR HEEA084374
OTHER · 2003-02-11 Matched by certificate designator
ATA 6340

Part: INDICATOR — FAILED (XMSN OIL PRESS) · airframe 4,747 hrs

GEARBOX OIL PRESSURE INDICATOR SCALE IS BLANK, NO BARS ILLUMINATED.

Source: SDR HEEA084342
OTHER · 2003-02-11 Matched by certificate designator
ATA 5260

Part: STEP — CORRODED (ENTRY STEP) · airframe 4,662 hrs

STEP PITTED BEYOND LIMITS.

Source: SDR HEEA084292
OTHER · 2003-01-17 Matched by certificate designator
ATA 3213

Part: CROSSTUBE — DAMAGED (MLG) · airframe 4,799 hrs

MLG CROSSTUBE SPREAD.

Source: SDR HEEA083977
OTHER · 2003-01-17 Matched by certificate designator
ATA 6420

Part: ROTOR HEAD — OUT OF BALANCE (TAIL ROTOR) · airframe 4,832 hrs

UNABLE TO BALANCE TAIL ROTOR HEAD. REPAIRED.

Source: SDR HEEA083942
OTHER · 2003-01-17 Matched by certificate designator
ATA 7120

Part: BEARING — WORN (BIPOD MOUNT) · airframe 5,032 hrs

ENGINE BIPOD MOUNT HAS A WORN BEARING.

Source: SDR HEEA083980
OTHER · 2003-01-17 Matched by certificate designator
ATA 6220

Part: SPRING — BROKEN (FRAHM ASSY) · airframe 4,877 hrs

MAIN ROTOR HEAD FRAHM ASSY HAS TWO BROKEN SPRINGS.

Source: SDR HEEA083932
OTHER · 2003-01-15 Matched by certificate designator
ATA 2913

Part: PUMP — NOISY (HYD SYSTEM) · airframe 4,981 hrs

HYD PUMP MAKING NOISE INTERMITTENTLY.

Source: SDR HEEA083714
OTHER · 2003-01-15 Matched by certificate designator
ATA 2821

Part: FILTER — BYPASSING (FUEL SYSTEM) · airframe 4,799 hrs

BYPASS INDICATOR POPPED. SCRAPPED.

Source: SDR HEEA083760
OTHER · 2003-01-15 Matched by certificate designator
ATA 2821

Part: FILTER — BYPASSING (FUEL SYSTEM) · airframe 4,106 hrs

FILTER BYPASS INDICATOR POPPED. REPLACED WITH SERVICEABLE PART.

Source: SDR HEEA083788
OTHER · 2003-01-14 Matched by certificate designator
ATA 3442

Part: DISPLAY — ERRATIC (WX RADAR SYS) · airframe 4,662 hrs

WEATHER RADAR INDICATOR ERRATIC DURING FLIGHT.

Source: SDR HEEA083655
OTHER · 2003-01-14 Matched by certificate designator
ATA 2820

Part: HOSE — KINKED (FUEL DIST) · airframe 4,981 hrs

FUEL HOSE ASSY KINKED.

Source: SDR HEEA083649
OTHER · 2003-01-14 Matched by certificate designator
ATA 3442

Part: CONTROL BOX — MALFUNCTIONED (WX RADAR SYS) · airframe 4,712 hrs

DATA BOX SKYWATCH UNREADABLE CAUSING FALSE TARGETS TO DISPLAY. COULD NOT DUPLICATE PROBLEM. BENCH CHECK GOOD.

Source: SDR HEEA083661
OTHER · 2003-01-14 Matched by certificate designator
ATA 2432

Part: BATTERY — DISCHARGED (MAIN) · airframe 4,891 hrs

BATTERY HAS LOW CHARGE. REPAIRED.

Source: SDR HEEA083629
OTHER · 2003-01-14 Matched by certificate designator
ATA 2370

Part: CONTROL BOX — MALFUNCTIONED (WX RADAR SYS) · airframe 4,712 hrs

DATA BOX SKYWATCH UNREADABLE CAUSING FALSE TARGETS TO DISPLAY. COULD NOT DUPLICATE PROBLEM. BENCH CHECK GOOD.

Source: SDR HEEA083662
OTHER · 2003-01-14 Matched by certificate designator
ATA 2820

Part: HOSE — KINKED (FUEL DIST) · airframe 4,981 hrs

FUEL HOSE KINKED.

Source: SDR HEEA083647
OTHER · 2003-01-10 Matched by certificate designator
ATA 6230

Part: MAST — DAMAGED (MAIN ROTOR) · airframe 4,662 hrs

MAIN ROTOR MAST HAS DAMAGE IN CONE SEAT AREA.

Source: SDR HEEA083481

2002

OTHER · 2002-07-19 Matched by certificate designator
ATA 5610

Part: WINDSHIELD — CRAZED (COCKPIT) · airframe 4,662 hrs

WINDSHIELD CRAZED.

Source: SDR HEEA088935
OTHER · 2002-07-19 Matched by certificate designator
ATA 5610

Part: WINDSHIELD — CRAZED (COCKPIT) · airframe 4,662 hrs

WINDSHIELD CRAZED.

Source: SDR HEEA088934
OTHER · 2002-06-27 Matched by certificate designator
ATA 7810

Part: EXHAUST STACK — CRACKED (ENGINE) · airframe 4,608 hrs

EXHAUST STACK CRACKED ON AFT SEAM.

Source: SDR HEEA080258
OTHER · 2002-06-26 Matched by certificate designator
ATA 7532

Part: BLEED VALVE — FAILED (ENGINE) · airframe 4,620 hrs

HIGH TOT. REPLACED WITH SERVICEABLE BLEED VALVE.

Source: SDR HEEA080207
OTHER · 2002-06-26 Matched by certificate designator
ATA 5311

Part: FRAME — CRACKED (FUSELAGE) · airframe 4,635 hrs

FRAME CRACKED UPPER RT CORNER.

Source: SDR HEEA080173
OTHER · 2002-06-11 Matched by certificate designator
ATA 5320

Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 4,519 hrs

BOTTOM HOLE ON SUPPORT IS ELONGATED.

Source: SDR HEEA080059
OTHER · 2002-06-10 Matched by certificate designator
ATA 6321

Part: CYLINDER — WEAK (ROTOR BRAKE) · airframe 4,510 hrs

ROTOR BRAKE WEAK - MASTER CYLINDER LEAKS INTERNALLY.

Source: SDR HEEA080007
OTHER · 2002-05-24 Matched by certificate designator
ATA 2822

Part: CARTRIDGE — DAMAGED (FUEL BOOST) · airframe 4,503 hrs

BOOST PUMP CARTRIDGE IS INTERMITTENT WITH LOW PRESSURE. REPLACED WITH SERVICEABLE PART.

Source: SDR HEEA079224
OTHER · 2002-05-15 Matched by certificate designator
ATA 6420

Part: MOUNT — DELAMINATED (TAIL ROTOR) · airframe 4,448 hrs

MOUNT COLLAPSED, DELAMINATED ON TAIL ROTOR.

Source: SDR HEEA079000
OTHER · 2002-05-15 Matched by certificate designator
ATA 7313

Part: NOZZLE — DAMAGED (ENGINE FUEL) · airframe 4,344 hrs

INTERMITTENT STARTING PROBLEMS. REPLACED WITH SERVICEABLE FUEL NOZZLE.

Source: SDR HEEA079027
OTHER · 2002-05-15 Matched by certificate designator
ATA 6510

Part: DISC PACK — CRACKED (TAIL ROTOR) · airframe 4,356 hrs

TAIL ROTRO DISC PACK IS CRACKED.

Source: SDR HEEA079006
OTHER · 2002-05-15 Matched by certificate designator
ATA 3213

Part: CROSSTUBE — DAMAGED (MLG) · airframe 4,344 hrs

LANDING GEAR CROSSTUBE SPREAD OUT OF LIMITS.

Source: SDR HEEA078958
OTHER · 2002-05-15 Matched by certificate designator
ATA 3213

Part: CROSSTUBE — DAMAGED (MLG) · airframe 4,344 hrs

LANDING GEAR CROSSTUBE SPREAD OUT OF LIMITS.

Source: SDR HEEA078967
OTHER · 2002-05-15 Matched by certificate designator
ATA 3213

Part: CROSSTUBE — DAMAGED (MLG) · airframe 4,448 hrs

CROSSTUBE IS SPREAD ON RT SIDE.

Source: SDR HEEA078957
OTHER · 2002-05-13 Matched by certificate designator
ATA 6720

Part: LINK — WORN (TAIL ROTOR) · airframe 4,298 hrs

TAIL ROTOR LINK HAS A WORN BEARING.

Source: SDR HEEA078897
OTHER · 2002-05-07 Matched by certificate designator
ATA 6300

Part: STOP — WORN (MAIN ROTOR) · airframe 4,448 hrs

MAIN ROTOR STOPS WORN, TORN, DELAMINATED.

Source: SDR HEEA078855
OTHER · 2002-05-07 Matched by certificate designator
ATA 6230

Part: BUSHING — WORN (LINK ASSY) · airframe 4,335 hrs

LINK ASSY HAS WORN BUSHINGS.

Source: SDR HEEA078825
OTHER · 2002-05-07 Matched by certificate designator
ATA 6420

Part: BEARING — WORN (TAIL ROTOR) · airframe 4,326 hrs

BEARING HAS WORN ELASTOMER.

Source: SDR HEEA078860
OTHER · 2002-05-07 Matched by certificate designator
ATA 7310

Part: HOSE — KINKED (FUEL SYSTEM) · airframe 4,344 hrs

FIRE SHIELD TO FUEL NOZZLE HOSE KINKED. REPLACED WITH SERVICEABLE HOSE.

Source: SDR HEEA078809
OTHER · 2002-05-07 Matched by certificate designator
ATA 6220

Part: BEARING — SEPARATED (MAIN ROTOR BLADE) · airframe 4,446 hrs

MAIN ROTOR HUB HAS A SHEAR BEARING ON ORANGE BLADE SEPARATED.

Source: SDR HEEA078852
OTHER · 2002-05-07 Matched by certificate designator
ATA 7510

Part: VALVE — INOPERATIVE (ENGINE) · airframe 4,447 hrs

VALVE INOPERATIVE. REPLACED WITH SERVICEABLE VALVE.

Source: SDR HEEA078806
OTHER · 2002-05-07 Matched by certificate designator
ATA 3212

Part: COVER — TORN (MLG FLOAT) · airframe 4,289 hrs

EMERGENCY FLOAT COVER IS DETERIORATED. END CAPS TORN.

Source: SDR HEEA078770
OTHER · 2002-05-06 Matched by certificate designator
ATA 3212

Part: COVER — TORN (MLG FLOAT) · airframe 4,326 hrs

EMERGENCY FLOAT COVER HAS A TORN END FLAP.

Source: SDR HEEA078769
OTHER · 2002-05-06 Matched by certificate designator
ATA 3270

Part: SKID — CRACKED (TAIL) · airframe 4,428 hrs

TAIL SKID ASSY IS CRACKED.

Source: SDR HEEA078765
OTHER · 2002-04-05 Matched by certificate designator
ATA 6230

Part: LEVER — WORN (MAIN ROTOR) · airframe 4,335 hrs

MAIN ROTOR LEVER ASSY HAS WORN BUSHINGS.

Source: SDR HEEA078584
OTHER · 2002-04-05 Matched by certificate designator
ATA 6230

Part: LEVER — WORN (MAIN ROTOR) · airframe 4,335 hrs

MAIN ROTOR LEVER ASSY HAS WORN BUSHINGS.

Source: SDR HEEA078585
OTHER · 2002-04-05 Matched by certificate designator
ATA 3212

Part: COVER — DETERIORATED (EMERGENCY FLOAT) · airframe 4,309 hrs

DETERIORATED, END CAP TORN.

Source: SDR HEEA078580
OTHER · 2002-04-05 Matched by certificate designator
ATA 6710

Part: LINK — WORN (MAIN ROTOR) · airframe 4,335 hrs

LINK ASSY HAS WORN BUSHINGS.

Source: SDR HEEA078583
OTHER · 2002-04-05 Matched by certificate designator
ATA 3212

Part: COVER — DETERIORATED (EMERGENCY FLOAT) · airframe 4,318 hrs

DETERIORATED. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#72948902.

Source: SDR HEEA078579
OTHER · 2002-04-05 Matched by certificate designator
ATA 6230

Part: LINK — WORN (MAIN ROTOR) · airframe 4,335 hrs

LINK ASSY HAS WORN BUSHINGS.

Source: SDR HEEA078586
NO TEST · 2002-03-25 Matched by certificate designator
ATA 3422

Part: GYRO — MALFUNCTIONED (COCKPIT) · airframe 4,258 hrs

COMPASS CARD ON DIRECTIONAL GYRO SPINS OCCASSIONALLY WITHOUT STOPPING. REPLACED WITH SERVICEABLE PART.

Source: SDR HEEA078519
NO TEST · 2002-03-25 Matched by certificate designator
ATA 3422

Part: GYRO — MALFUNCTIONED (COCKPIT) · airframe 4,286 hrs

PRECESSES 50 DEGREES IN 6 MINUTES. REPLACED WITH SERVICEABLE PART.

Source: SDR HEEA078521
NO TEST · 2002-03-25 Matched by certificate designator
ATA 3457

Part: RECEIVER — MALFUNCTIONED (GPS) · airframe 4,218 hrs

SAFEGUARD ENABLED AND NOT DATA BASE INDICATED. REPLACED WITH SERVICEABLE PART.

Source: SDR HEEA078510
OTHER · 2002-03-21 Matched by certificate designator
ATA 6720

Part: LINK — WORN (TAIL ROTOR) · airframe 4,298 hrs

TAIL ROTOR LINK HAS WORN BEARINGS.

Source: SDR HEEA078323
OTHER · 2002-03-11 Matched by certificate designator
ATA 3212

Part: GAUGE — STUCK (FLOAT PRESSURE) · airframe 4,158 hrs

EMERGENCY FLOAT PRESSURE GAUGE STICKING.

Source: SDR HEEA078200
OTHER · 2002-02-26 Matched by certificate designator
ATA 2840

Part: SWITCH — FAILED (FUEL INDICATOR) · airframe 4,158 hrs

SWITCH STICKING.

Source: SDR HEEA078073
FLUID LOSS · 2002-02-26 Matched by certificate designator
ATA 2820

Part: VALVE — LEAKING (FUEL SYSTEM) · airframe 4,221 hrs

FUEL SYSTEM IS SEEPING FROM VALVE ASSY.

Source: SDR HEEA078092
OTHER · 2002-02-26 Matched by certificate designator
ATA 6710

Part: ROD END — WORN (MAIN ROTOR) · airframe 4,158 hrs

ROD END ON MAIN ROTOR IS WORN.

Source: SDR HEEA078077
OTHER · 2002-02-26 Matched by certificate designator
ATA 6710

Part: ROD END — WORN (MAIN ROTOR) · airframe 4,158 hrs

ROD END ON MAIN ROTOR IS WORN.

Source: SDR HEEA078074
OTHER · 2002-02-26 Matched by certificate designator
ATA 6710

Part: ROD END — WORN (MAIN ROTOR) · airframe 4,158 hrs

ROD END ON MAIN ROTOR IS WORN.

Source: SDR HEEA078075
OTHER · 2002-02-26 Matched by certificate designator
ATA 6710

Part: ROD END — WORN (MAIN ROTOR) · airframe 4,158 hrs

ROD END ON MAIN ROTOR IS WORN.

Source: SDR HEEA078076
FLUID LOSS · 2002-01-30 Matched by certificate designator
ATA 6300

Part: CAP — LEAKING (M/R DRIVE) · airframe 4,103 hrs

MAIN ROTOR DRIVE CAP LEAKS.

Source: SDR HEEA077803
OTHER · 2002-01-30 Matched by certificate designator
ATA 3212

Part: COVER — LOOSE (EMERGENCY FLOAT) · airframe 4,099 hrs

END COVER VELCRO WILL NOT HOLD. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#744642.

Source: SDR HEEA077802
OTHER · 2002-01-28 Matched by certificate designator
ATA 2840

Part: SWITCH — MALFUNCTIONED (FUEL SYSTEM) · airframe 4,027 hrs

LOW LEVEL LIGHT COMES ON WHEN WIRES TO SWITCH ARE MOVED.

Source: SDR HEEA077765
OTHER · 2002-01-25 Matched by certificate designator
ATA 3110

Part: INDICATOR — DAMAGED (COCKPIT) · airframe 4,053 hrs

INTERNAL LIGHTING TOO DIM. DIFFICULT TO READ IN DAYLIGHT.

Source: SDR HEEA077735

2001

OTHER · 2001-12-19 Matched by certificate designator
ATA 6300

Part: BEARING — OVERHEATED (MAIN ROTOR) · airframe 4,027 hrs

MAIN ROTOR BEARING RUNNING HOT. LABEL TURNED BLACK.

Source: SDR HEEA077630
NO TEST · 2001-12-17 Matched by certificate designator
ATA 7712

Part: INDICATOR — MALFUNCTIONED (TORQUE) · airframe 4,087 hrs

TORQUE INDICATOR HAS DIM LIGHTING.

Source: SDR HEEA077578
OTHER · 2001-11-21 Matched by certificate designator
ATA 2820

Part: HOSE — CHAFED (FUEL SYSTEM) · airframe 4,005 hrs

INSULATION CHAFED THROUGH.

Source: SDR HEEA077262
OTHER · 2001-11-21 Matched by certificate designator
ATA 2340

Part: SWITCH — BROKEN (COCKPIT) · airframe 4,021 hrs

MIC SPRING TABS WORN. REPORTED STICKING ICS.

Source: SDR HEEA077264
OTHER · 2001-10-31 Matched by certificate designator
ATA 6710

Part: UNIVERSAL — WORN (MAIN ROOR) · airframe 3,978 hrs

RED BLADE PITCH ROD UNIVERSAL BEARING IS WORN.

Source: SDR HEEA077011
OTHER · 2001-10-31 Matched by certificate designator
ATA 6240

Part: INDICATOR — INOPERATIVE (DUAL TACH) · airframe 3,990 hrs

DUAL TACH INOPERATIVE.

Source: SDR HEEA077020
OTHER · 2001-10-24 Matched by certificate designator
ATA 6710

Part: SEAL — LEAKING (SWASHPLATE) · airframe 3,970 hrs

UPPER BEARING GREASE SEAL LEAKING ON UNIBALL.

Source: SDR HEEA076903
OTHER · 2001-10-10 Matched by certificate designator
ATA 6320

Part: BEARING — WORN (MAIN ROTOR) · airframe 3,893 hrs

BEARINGS WORN.

Source: SDR HEEA076542
OTHER · 2001-10-05 Matched by certificate designator
ATA 6710

Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,886 hrs

BEARING WORN.

Source: SDR HEEA076502
OTHER · 2001-10-03 Matched by certificate designator
ATA 6210

Part: BLADE — CRACKED (MAIN ROTOR) · airframe 3,924 hrs

MAIN ROTOR BLADE IS CRACKED.

Source: SDR HEEA076394
OTHER · 2001-10-03 Matched by certificate designator
ATA 3421

Part: ADI — FAILED (COCKPIT) · airframe 3,928 hrs

ATTITUDE INDICATOR STAYS IN LEFT TURN. REPLACED WITH SERVICEABLE ATTITUDE IND.

Source: SDR HEEA076401
OTHER · 2001-10-03 Matched by certificate designator
ATA 6300

Part: SPLINE ADAPTER — WORN (COOLER BLOWER) · airframe 1,163 hrs

WORN SPLINES.

Source: SDR HEEA076371
OTHER · 2001-10-03 Matched by certificate designator
ATA 3421

Part: ADI — FAILED (COCKPIT) · airframe 3,929 hrs

FLAG DOES NOT PULL AND GAUGE DOES NOT CORRESPOND TO ATTITUDE. REPLACED WITH SERVICEABLE ATTITUDE IND.

Source: SDR HEEA076400
FLUID LOSS · 2001-10-02 Matched by certificate designator
ATA 2821

Part: VALVE — LEAKING (FUEL FILTER) · airframe 3,899 hrs

EXTERNAL FUEL FILTER DRAIN VALVE LEAKING AROUND HANDLE WHEN DRAINING FUEL.

Source: SDR HEEA076310
OTHER · 2001-09-14 Matched by certificate designator
ATA 6710

Part: UNIVERSAL JOINT — WORN (MAIN ROTOR) · airframe 3,854 hrs

WEAR BEYOND ALLOWABLE LIMITS.

Source: SDR HEEA075994
OTHER · 2001-05-09 Matched by certificate designator
ATA 7921

Part: DUCT — CRACKED (OIL COOLER) · airframe 3,622 hrs

OIL COOLER DUCT CRACKED.

Source: SDR HEEA073067
OTHER · 2001-05-09 Matched by certificate designator
ATA 3210

Part: TUBE — CORRODED (MLG) · airframe 3,622 hrs

TUBE WORN.

Source: SDR HEEA073065
OTHER · 2001-05-09 Matched by certificate designator
ATA 6510

Part: HOUSING — CRACKED (BLOWER) · airframe 3,622 hrs

BLOWER HOUSING CRACKED.

Source: SDR HEEA073068
OTHER · 2001-05-09 Matched by certificate designator
ATA 3210

Part: LINE — CORRODED (MLG) · airframe 3,622 hrs

LINE WORN.

Source: SDR HEEA073066

2000

OTHER · 2000-02-04 Matched by certificate designator
ATA 3212

Part: COVER — TORN (MLG)

VELCRO TEARING ON FLOAT COVER ASSY.

Source: SDR HEEA065929
OTHER · 2000-02-04 Matched by certificate designator
ATA 3246

Part: SKID TUBE — WORN (MLG)

SKID TUBE ASSY WORN.

Source: SDR HEEA065919
OTHER · 2000-02-04 Matched by certificate designator
ATA 3212

Part: COVER — TORN (MLG)

VELCRO TEARING ON FLOAT COVER ASSY.

Source: SDR HEEA065930
OTHER · 2000-02-04 Matched by certificate designator
ATA 3212

Part: COVER — TORN (MLG)

VELCRO TEARING ON FLOAT COVER ASSY.

Source: SDR HEEA065928
OTHER · 2000-02-04 Matched by certificate designator
ATA 3212

Part: COVER — TORN (MLG)

VELCRO TEARING ON FLOAT COVER ASSY.

Source: SDR HEEA065927
OTHER · 2000-02-04 Matched by certificate designator
ATA 3246

Part: SKID TUBE — WORN (MLG)

SKID TUBE ASSY WORN.

Source: SDR HEEA065918
OTHER · 2000-01-05 Matched by certificate designator
ATA 3212

Part: COVER — WORN (FLOAT)

FLOAT COVER ASSY WORN.

Source: SDR HEEA065593
OTHER · 2000-01-05 Matched by certificate designator
ATA 3212

Part: COVER — WORN (FLOAT)

FLOAT COVER ASSY WORN.

Source: SDR HEEA065592

1999

OTHER · 1999-12-09 Matched by certificate designator
ATA 3210

Part: HOSE — KINKED (MLG)

HOSE ASSY KINKED.

Source: SDR HEEA065353
OTHER · 1999-12-09 Matched by certificate designator
ATA 3340

Part: POWER SUPPLY — INTERMITTENT (STROBE)

POWER SUPPLY, INTERMITTENT OPERATION.

Source: SDR HEEA065354
OTHER · 1999-12-09 Matched by certificate designator
ATA 6420

Part: MOUNT — WORN (TAIL ROTOR)

MOUNT WORN. SERIAL NUMBERS REMOVED ARE LK-0799, LK-0855, LK-0817 AND LK-0860. REPLACED WITH SERIAL NUMB NR 68244501, LP-1869; DMR NR 68244503, LP-1859; DMR NR 68244500.

Source: SDR HEEA065355
OTHER · 1999-11-10 Matched by certificate designator
ATA 6300

Part: UNIVERSAL — WORN (M/R DRIVE)

BEARING WORN.

Source: SDR HEEA065051
OTHER · 1999-10-20 Matched by certificate designator
ATA 3212

Part: GAUGE — CONTAMINATED (FLOAT)

PRESSURE GAUGE NEEDLE STICKS AND SAND IN GAUGE.

Source: SDR HEEA064883
OTHER · 1999-10-19 Matched by certificate designator
ATA 6300

Part: UNIVERSAL — WORN (M/R DRIVE)

BEARINGS WORN.

Source: SDR HEEA064858
OTHER · 1999-09-07 Matched by certificate designator
ATA 7931

Part: TEMP BULB — MALFUNCTIONED (OIL TEMP)

HIGH TEMP INDICATIONS. REFERENCE: DMR NR 686425.

Source: SDR HEEA064326
OTHER · 1999-05-26 Matched by certificate designator
ATA 2840

Part: SWITCH — MALFUNCTIONED (FUEL SYSTEM)

LOW LIGHT WOULDN'T GO OUT.

Source: SDR HEEA062485
OTHER · 1999-05-24 Matched by certificate designator
ATA 6300

Part: PITCH LINK — DAMAGED (MAIN ROTOR)

SWAGED AREA OF PITCH LINK REMOVED.

Source: SDR HEEA062428
OTHER · 1999-05-21 Matched by certificate designator
ATA 6510

Part: HOUSING — CRACKED (BLOWER)

BELL SENT BLOWER HOUSING ASSY TO USE WHAT IS NEEDED SO ORIGINAL AIRCRAFT WOULD NOT BE GROUNDED. PHI USED THE HOUSING BECAUSE THE ORIGINAL WAS CRACKED AND THE INSIDE SHAFT ASSY HAD ROUGH BEARINGS.

Source: SDR HEEA062427
OTHER · 1999-03-16 Matched by certificate designator
ATA 2432

Part: CELL — FAILED (BATTERY)

BURNT CELL IN BATTERY.

Source: SDR HEEA061164
OTHER · 1999-03-16 Matched by certificate designator
ATA 6320

Part: SWITCH — INOPERATIVE (M/R GEARBOX)

PRESSURE SWITCH INTERMITTENT AND INOPERATIVE.

Source: SDR HEEA061158
OTHER · 1999-03-15 Matched by certificate designator
ATA 5302

Part: SKIN — CRACKED (TAIL BOOM)

SKIN ON TAILBOOM CRACKED.

Source: SDR HEEA061152
OTHER · 1999-02-09 Matched by certificate designator
ATA 6520

Part: GEARBOX — FROZEN (TAIL ROTOR)

T/R TRUNNION FROZEN ON OUTPUT SHAFT AND INPUT SEAL LEAKS.

Source: SDR HEEA060487
OTHER · 1999-02-09 Matched by certificate designator
ATA 6420

Part: HUB — FAILED (TAIL ROTOR)

HUB FROZEN TO T/R GEARBOX SHAFT; USED 5 TONS OF HYDRAULIC PRESSURE TO FREE.

Source: SDR HEEA060484

1998

OTHER · 1998-11-11 Matched by certificate designator
ATA 6720

Part: LINK — WORN (TAIL ROTOR)

LINK BEARINGS WORN BEYOND LIMITS. SERIAL NUMBERS REMOVED ARE NHFS-3122 AND NHFS-3123.

Source: SDR HEEA0016783
OTHER · 1998-10-14 Matched by certificate designator
ATA 6340

Part: INDICATOR — FAILED (MGT)

MGT FAILED IN FLIGHT, FULL DEFLECTION.

Source: SDR HEEA0016160
OTHER · 1998-10-07 Matched by certificate designator
ATA 2435

Part: STARTER — WORN (START/GEN)

300 HOUR INSPECTION. FOUND BRUSHES WERE EXCESSIVELY WORN AND END BELL HAD SURFACE CORROSION.

Source: SDR HEEA0016133
OTHER · 1998-09-04 Matched by certificate designator
ATA 2910

Part: VALVE — STICKING (HYDRAULIC SYS)

HYDRAULIC VALVE STICKS.

Source: SDR HEEA0015965
OTHER · 1998-09-04 Matched by certificate designator
ATA 6340

Part: INDICATOR — FAILED (MGB TACH)

MGT INDICATOR, INTERMITTENT; ERRATIC.

Source: SDR HEEA0015966
OTHER · 1998-08-19 Matched by certificate designator
ATA 6320

Part: SWITCH — MALFUNCTIONED (M/R GEARBOX)

LIGHT COMES ON INTERMITTENTLY ON PRESSURE SWITCH.

Source: SDR HEEA0015707
OTHER · 1998-08-13 Matched by certificate designator
ATA 3421

Part: INDICATOR — MALFUNCTIONED (ATTITUDE)

SHOWS 5 DEGREE RIGHT TURN AND 3 DEGREE BAR RISE WHEN SETTLING.

Source: SDR HEEA0015529
OTHER · 1998-07-22 Matched by certificate designator
ATA 7714

Part: INDICATOR — FAILED (DUAL TACH)

NR FAILED TO TEST.

Source: SDR HEEA0015222
OTHER · 1998-07-13 Matched by certificate designator
ATA 6340

Part: INDICATOR — FAILED (M/R DRIVE)

MGT INDICATOR ERRATIC, THEN WENT TO ZERO DEGREES.

Source: SDR HEEA0015189
OTHER · 1998-07-13 Matched by certificate designator
ATA 3120

Part: CLOCK — FAILED (COCKPIT)

CLOCK WILL NOT STAY READABLE.

Source: SDR HEEA0015174
OTHER · 1998-07-13 Matched by certificate designator
ATA 7714

Part: INDICATOR — FAILED (DUAL TACH)

ROTOR TACHOMETER FAILED.

Source: SDR HEEA0015175
OTHER · 1998-06-26 Matched by certificate designator
ATA 6340

Part: TRANSMITTER — ERRATIC (M/ROTOR)

ERRATIC M/R INDICATIONS.

Source: SDR HEEA0015037
OTHER · 1998-06-17 Matched by certificate designator
ATA 2435

Part: BRUSHES — WORN (STARTER/GEN)

AIRCRAFT WILL NOT START. FOUND STARTER/GENERATOR BRUSHES EXCESSIVELY WORN AND HANGING UP. REPLACED BRUSHES.

Source: SDR HEEA0014786
OTHER · 1998-05-11 Matched by certificate designator
ATA 3120

Part: CLOCK — FAILED (COCKPIT)

CLOCK DOESN'T RESET FOR TIMES.

Source: SDR HEEA0014140
OTHER · 1998-04-30 Matched by certificate designator
ATA 6320

Part: TRANSMITTER — FAILED (GEARBOX OIL)

GAUGE READS ZERO OIL PRESSURE.

Source: SDR HEEA0014096
OTHER · 1998-04-06 Matched by certificate designator
ATA 6500

Part: BEARING — ROUGH (T/R)

ROUGH BEARINGS. SERIAL NUMBERS REMOVED ARE C97-2195 AND C97-2206. PARTS AND LABOR WILL BE INVOICED...WO#9800152-99.

Source: SDR HEEA0013855
OTHER · 1998-03-03 Matched by certificate designator
ATA 3452

Part: TRANSPONDER — FAILED (COCKPIT)

TRANSPONDER WILL NOT IDENT AND WILL NOT TEST. PERFORMED PRELIMINARY INSPECTION AND FOUND SWITCH BOARD INTERMITTENT. REPLACED SWITCH BOARD. ALSO FOUND PHOTOCELL NOT DIMMING PROPERLY. REPLACED PHOTOCELL. UNIT BENCH CHECK GOOD.

Source: SDR HEEA0013109
OTHER · 1998-03-03 Matched by certificate designator
ATA 3452

Part: TRANSPONDER — DEFECTIVE (COCKPIT)

BENCH CHECK NEEDED. REPLACED WEAK V301 PHOTODETECTOR, DETERIORATED R477 RESISTOR, INSTALLED MISSING IDENT PUSH BUTTON AND INSTALLED HEAT SINK FOR Q415. ADJUSTED AS NEEDED AND BENCH CHECK GOOD.

Source: SDR HEEA0013119
OTHER · 1998-02-09 Matched by certificate designator
ATA 7712

Part: INDICATOR — FAILED (TORQUE)

WHILE HOVERING AT 68-71% TORQUE, TORQUE GAUGE STARTED INCREASING UNTIL REACHING FULL SCALE READING AND THEN WENT TO 0%.

Source: SDR HEEA0012882
WARNING INDICATION · 1998-02-09 Matched by certificate designator
ATA 6240

Part: TRANSMITTER — FAILED (ROTOR TORQUE)

WHILE HOVERING AT 68-71 PERCENT TORQUE, TORQUE GAUGE STARTED INCREASING UNTIL REACHING FULL SCALE AND THEN WENT TO ZERO PERCENT INDICATION.

Source: SDR HEEA0012879
OTHER · 1998-02-09 Matched by certificate designator
ATA 6240

Part: TORQUE TRANSMITT — FAILED (ROTOR)

TORQUE SLOWLY WENT UP, THEN FELL TO ZERO.

Source: SDR HEEA0012883
OTHER · 1998-02-05 Matched by certificate designator
ATA 3452

Part: TRANSCEIVER — FAILED (COCKPIT)

TRANSPONDER DOESN'T POWER UP. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT RECEIVING AND IDENT LIGHT BLINKS. SWAPPED V101 CAVITY TUBE. NO HELP.

Source: SDR HEEA0012780
NO TEST · 1998-02-02 Matched by certificate designator
ATA 7712

Part: INDICATOR — FAILED (ENG TORQUE)

TORQUE INDICATOR WILL NOT COMPLETE SELF TEST. BAR GRAPH STARTS HALFWAY UP.

Source: SDR HEEA0012754

1997

FLT CONT AFFECTED · 1997-11-21 Matched by certificate designator
ATA 6710

Part: SWITCH — NO CLEARANCE (CYCLIC CENTERING)

PILOT UNABLE TO MOVE CYCLIC AFT AFTER TAKEOFF. APPROXIMATELY 40 POUNDS FORCE-FREED CYCLIC. CYCLIC CENTERING SWITCH HAD CONTACTED TARGET PLATE. LEAD SEAL FROM MANUFACTURER STILL INTACT. FLEET INSPECTIONS FOUND ONE OTHER AIRCRAFT HAVING CLEARANCE BELOW THE .030 INCH MINUMUM.

Source: SDR 97ZZZX5210
FLT CONT AFFECTED · 1997-11-20 Matched by certificate designator
ATA 6710

Part: SWITCH — MISRIGGED (CYCLIC CENTER)

PILOT REPORTED AT 1320, UNABLE TO MOVE CYCLIC STICK AFT AFTER TAKEOFF FROM PLATFORM. PILOT EXERTED APPROXIMATELY 40 POUNDS PRESSURE, CYCLIC FREED UP. LANDED ON WC-522. AFTER LANDING, CYCLIC AGAIN COULD NOT BE MOVED AFT. FOUND CYCLIC CENTERING SWITCH CONTACTING TARGET PLATE. RE-RIGGED PER MM SPECS TO 030 INCH - 070 INCH. NOTE: LEAD SEAL APPLIED BY MANUFACTURER STILL INTACT PRIOR TO ADJUSTMENT. REF: BHT 407 MM CHAPTER 67-00-00, FIG 67-11, PAGE 45, IPB CHAPTER 96-99-00, PAGE 40, ITEM NR 31.

Source: SDR 98ZZZX296