N406PH
Registered owner: PHI AVIATION LLC, LA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| PHI Aviation, LLC (HEEA) | Certificate holder | — | Matched 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.
Part: TRANSMISSION — MAKING METAL (MAIN) · airframe 25,802 hrs
SHORTLY AFTER TAKEOFF WHILE IN CRUISE FLIGHT, CHIP XMSN LIGHT ILLUMINATED. RETURNED TO HMAE.
Earlier reports · 1997–2016 · 149 reports
2016
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.
2015
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.
2011
Part: STRUCTURE — CORRODED · airframe 13,175 hrs
FWD LOWER SHELL ASSY WAS FOUND TO BE CORRODED. REPAIRED IN ACCORDANCE WITH FAA-APPROVED REPAIR DATA.
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.
2010
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.
2009
Part: SKIN — CRACKED (FUSELAGE) · airframe 10,493 hrs
SKIN CRACKED, REPLACED WITH SERVICEABLE SKIN. NOTE: PREVIOUSLY SUBMITTED ON 1/20/09.
2003
Part: CASE — CORRODED · airframe 5,527 hrs
TRANSMISSION ASSY HAS CORROSION AT LOWER CASE MATING FLANGE. REPLACED WITH SERVICEABLE PART.
Part: BLEED VALVE — FAILED (ENGINE) · airframe 5,518 hrs
BLEED VALVE MAKING ENGINE RUN HOT. REPLACED WITH SERVICEABLE PART.
Part: CARTRIDGE — FAILED (BOOST PUMP) · airframe 5,512 hrs
LEFT BOOST LIGHT ILLUMINATED. REPLACED WITH SERVICEABLE PART.
Part: LIFE VEST — LEAKING (CABIN) · airframe 5,433 hrs
LIFE VEST LEAKING. REPLACED.
Part: INDICATOR — INOPERATIVE (TRANS OIL TEMP) · airframe 5,202 hrs
TRANSMISSION OIL TEMP INDICATOR LIGHT DIM. SENT TO MFG FOR CREDIT.
Part: CONNECTOR — CORRODED (ELECTRICAL) · airframe 5,394 hrs
CONNECTOR CORRODED AND BURNED. SCRAPPED.
Part: INDICATOR — INOPERATIVE (FUEL QTY) · airframe 5,471 hrs
FUEL QTY INDICATOR DISPLAY DIM. TO BE SENT TO MFG FOR CREDIT.
Part: GYRO — MALFUNCTIONED (COCKPIT) · airframe 5,436 hrs
HORIZON GYRO WILL NOT STAY ERECT. REPAIRED.
Part: BLADE — DAMAGED (T/R HUB ASSY) · airframe 5,202 hrs
SEPARATION ON TRAILING EDGE AT THE TIP. REPAIRED.
Part: HMU — FAILED (ENGINE) · airframe 5,372 hrs
SHOWED BAD ON PLA DATA. SENT FOR INSPECTION AND REPAIR.
Part: BLEED VALVE — MALFUNCTIONED (ENGINE) · airframe 5,211 hrs
ANTI ICE LIGHT ILLUMINATED IN FLIGHT. REPLACED.
Part: CONTACTOR — FAILED (ELECTRICAL) · airframe 3,961 hrs
CAUSING START/AUTO RELIGHT CAUTION LIGHTS TO NOT ILLUMINATE.
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.
Part: MOUNT — WORN (GEARBOX) · airframe 4,880 hrs
RT REAR MAIN ROTOR GEARBOX MOUNT IS WORN.
Part: BYPASS VALVE — MALFUNCTIONED (GEARBOX OIL SYS) · airframe 4,981 hrs
MAIN ROTOR GEARBOX OIL SYSTEM BYPASS VALVE INDICATOR BUTTON WILL NOT STAY IN.
Part: INDICATOR — FAILED (XMSN OIL PRESS) · airframe 4,747 hrs
GEARBOX OIL PRESSURE INDICATOR SCALE IS BLANK, NO BARS ILLUMINATED.
Part: STEP — CORRODED (ENTRY STEP) · airframe 4,662 hrs
STEP PITTED BEYOND LIMITS.
Part: CROSSTUBE — DAMAGED (MLG) · airframe 4,799 hrs
MLG CROSSTUBE SPREAD.
Part: ROTOR HEAD — OUT OF BALANCE (TAIL ROTOR) · airframe 4,832 hrs
UNABLE TO BALANCE TAIL ROTOR HEAD. REPAIRED.
Part: BEARING — WORN (BIPOD MOUNT) · airframe 5,032 hrs
ENGINE BIPOD MOUNT HAS A WORN BEARING.
Part: SPRING — BROKEN (FRAHM ASSY) · airframe 4,877 hrs
MAIN ROTOR HEAD FRAHM ASSY HAS TWO BROKEN SPRINGS.
Part: PUMP — NOISY (HYD SYSTEM) · airframe 4,981 hrs
HYD PUMP MAKING NOISE INTERMITTENTLY.
Part: FILTER — BYPASSING (FUEL SYSTEM) · airframe 4,799 hrs
BYPASS INDICATOR POPPED. SCRAPPED.
Part: FILTER — BYPASSING (FUEL SYSTEM) · airframe 4,106 hrs
FILTER BYPASS INDICATOR POPPED. REPLACED WITH SERVICEABLE PART.
Part: DISPLAY — ERRATIC (WX RADAR SYS) · airframe 4,662 hrs
WEATHER RADAR INDICATOR ERRATIC DURING FLIGHT.
Part: HOSE — KINKED (FUEL DIST) · airframe 4,981 hrs
FUEL HOSE ASSY KINKED.
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.
Part: BATTERY — DISCHARGED (MAIN) · airframe 4,891 hrs
BATTERY HAS LOW CHARGE. REPAIRED.
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.
Part: HOSE — KINKED (FUEL DIST) · airframe 4,981 hrs
FUEL HOSE KINKED.
Part: MAST — DAMAGED (MAIN ROTOR) · airframe 4,662 hrs
MAIN ROTOR MAST HAS DAMAGE IN CONE SEAT AREA.
2002
Part: WINDSHIELD — CRAZED (COCKPIT) · airframe 4,662 hrs
WINDSHIELD CRAZED.
Part: WINDSHIELD — CRAZED (COCKPIT) · airframe 4,662 hrs
WINDSHIELD CRAZED.
Part: EXHAUST STACK — CRACKED (ENGINE) · airframe 4,608 hrs
EXHAUST STACK CRACKED ON AFT SEAM.
Part: BLEED VALVE — FAILED (ENGINE) · airframe 4,620 hrs
HIGH TOT. REPLACED WITH SERVICEABLE BLEED VALVE.
Part: FRAME — CRACKED (FUSELAGE) · airframe 4,635 hrs
FRAME CRACKED UPPER RT CORNER.
Part: SUPPORT — DAMAGED (FUSELAGE) · airframe 4,519 hrs
BOTTOM HOLE ON SUPPORT IS ELONGATED.
Part: CYLINDER — WEAK (ROTOR BRAKE) · airframe 4,510 hrs
ROTOR BRAKE WEAK - MASTER CYLINDER LEAKS INTERNALLY.
Part: CARTRIDGE — DAMAGED (FUEL BOOST) · airframe 4,503 hrs
BOOST PUMP CARTRIDGE IS INTERMITTENT WITH LOW PRESSURE. REPLACED WITH SERVICEABLE PART.
Part: MOUNT — DELAMINATED (TAIL ROTOR) · airframe 4,448 hrs
MOUNT COLLAPSED, DELAMINATED ON TAIL ROTOR.
Part: NOZZLE — DAMAGED (ENGINE FUEL) · airframe 4,344 hrs
INTERMITTENT STARTING PROBLEMS. REPLACED WITH SERVICEABLE FUEL NOZZLE.
Part: DISC PACK — CRACKED (TAIL ROTOR) · airframe 4,356 hrs
TAIL ROTRO DISC PACK IS CRACKED.
Part: CROSSTUBE — DAMAGED (MLG) · airframe 4,344 hrs
LANDING GEAR CROSSTUBE SPREAD OUT OF LIMITS.
Part: CROSSTUBE — DAMAGED (MLG) · airframe 4,344 hrs
LANDING GEAR CROSSTUBE SPREAD OUT OF LIMITS.
Part: CROSSTUBE — DAMAGED (MLG) · airframe 4,448 hrs
CROSSTUBE IS SPREAD ON RT SIDE.
Part: LINK — WORN (TAIL ROTOR) · airframe 4,298 hrs
TAIL ROTOR LINK HAS A WORN BEARING.
Part: STOP — WORN (MAIN ROTOR) · airframe 4,448 hrs
MAIN ROTOR STOPS WORN, TORN, DELAMINATED.
Part: BUSHING — WORN (LINK ASSY) · airframe 4,335 hrs
LINK ASSY HAS WORN BUSHINGS.
Part: BEARING — WORN (TAIL ROTOR) · airframe 4,326 hrs
BEARING HAS WORN ELASTOMER.
Part: HOSE — KINKED (FUEL SYSTEM) · airframe 4,344 hrs
FIRE SHIELD TO FUEL NOZZLE HOSE KINKED. REPLACED WITH SERVICEABLE HOSE.
Part: BEARING — SEPARATED (MAIN ROTOR BLADE) · airframe 4,446 hrs
MAIN ROTOR HUB HAS A SHEAR BEARING ON ORANGE BLADE SEPARATED.
Part: VALVE — INOPERATIVE (ENGINE) · airframe 4,447 hrs
VALVE INOPERATIVE. REPLACED WITH SERVICEABLE VALVE.
Part: COVER — TORN (MLG FLOAT) · airframe 4,289 hrs
EMERGENCY FLOAT COVER IS DETERIORATED. END CAPS TORN.
Part: COVER — TORN (MLG FLOAT) · airframe 4,326 hrs
EMERGENCY FLOAT COVER HAS A TORN END FLAP.
Part: SKID — CRACKED (TAIL) · airframe 4,428 hrs
TAIL SKID ASSY IS CRACKED.
Part: LEVER — WORN (MAIN ROTOR) · airframe 4,335 hrs
MAIN ROTOR LEVER ASSY HAS WORN BUSHINGS.
Part: LEVER — WORN (MAIN ROTOR) · airframe 4,335 hrs
MAIN ROTOR LEVER ASSY HAS WORN BUSHINGS.
Part: COVER — DETERIORATED (EMERGENCY FLOAT) · airframe 4,309 hrs
DETERIORATED, END CAP TORN.
Part: LINK — WORN (MAIN ROTOR) · airframe 4,335 hrs
LINK ASSY HAS WORN BUSHINGS.
Part: COVER — DETERIORATED (EMERGENCY FLOAT) · airframe 4,318 hrs
DETERIORATED. SENT TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED. REFERENCE: DMR#72948902.
Part: LINK — WORN (MAIN ROTOR) · airframe 4,335 hrs
LINK ASSY HAS WORN BUSHINGS.
Part: GYRO — MALFUNCTIONED (COCKPIT) · airframe 4,258 hrs
COMPASS CARD ON DIRECTIONAL GYRO SPINS OCCASSIONALLY WITHOUT STOPPING. REPLACED WITH SERVICEABLE PART.
Part: GYRO — MALFUNCTIONED (COCKPIT) · airframe 4,286 hrs
PRECESSES 50 DEGREES IN 6 MINUTES. REPLACED WITH SERVICEABLE PART.
Part: RECEIVER — MALFUNCTIONED (GPS) · airframe 4,218 hrs
SAFEGUARD ENABLED AND NOT DATA BASE INDICATED. REPLACED WITH SERVICEABLE PART.
Part: LINK — WORN (TAIL ROTOR) · airframe 4,298 hrs
TAIL ROTOR LINK HAS WORN BEARINGS.
Part: GAUGE — STUCK (FLOAT PRESSURE) · airframe 4,158 hrs
EMERGENCY FLOAT PRESSURE GAUGE STICKING.
Part: SWITCH — FAILED (FUEL INDICATOR) · airframe 4,158 hrs
SWITCH STICKING.
Part: VALVE — LEAKING (FUEL SYSTEM) · airframe 4,221 hrs
FUEL SYSTEM IS SEEPING FROM VALVE ASSY.
Part: ROD END — WORN (MAIN ROTOR) · airframe 4,158 hrs
ROD END ON MAIN ROTOR IS WORN.
Part: ROD END — WORN (MAIN ROTOR) · airframe 4,158 hrs
ROD END ON MAIN ROTOR IS WORN.
Part: ROD END — WORN (MAIN ROTOR) · airframe 4,158 hrs
ROD END ON MAIN ROTOR IS WORN.
Part: ROD END — WORN (MAIN ROTOR) · airframe 4,158 hrs
ROD END ON MAIN ROTOR IS WORN.
Part: CAP — LEAKING (M/R DRIVE) · airframe 4,103 hrs
MAIN ROTOR DRIVE CAP LEAKS.
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.
Part: SWITCH — MALFUNCTIONED (FUEL SYSTEM) · airframe 4,027 hrs
LOW LEVEL LIGHT COMES ON WHEN WIRES TO SWITCH ARE MOVED.
Part: INDICATOR — DAMAGED (COCKPIT) · airframe 4,053 hrs
INTERNAL LIGHTING TOO DIM. DIFFICULT TO READ IN DAYLIGHT.
2001
Part: BEARING — OVERHEATED (MAIN ROTOR) · airframe 4,027 hrs
MAIN ROTOR BEARING RUNNING HOT. LABEL TURNED BLACK.
Part: INDICATOR — MALFUNCTIONED (TORQUE) · airframe 4,087 hrs
TORQUE INDICATOR HAS DIM LIGHTING.
Part: HOSE — CHAFED (FUEL SYSTEM) · airframe 4,005 hrs
INSULATION CHAFED THROUGH.
Part: SWITCH — BROKEN (COCKPIT) · airframe 4,021 hrs
MIC SPRING TABS WORN. REPORTED STICKING ICS.
Part: UNIVERSAL — WORN (MAIN ROOR) · airframe 3,978 hrs
RED BLADE PITCH ROD UNIVERSAL BEARING IS WORN.
Part: INDICATOR — INOPERATIVE (DUAL TACH) · airframe 3,990 hrs
DUAL TACH INOPERATIVE.
Part: SEAL — LEAKING (SWASHPLATE) · airframe 3,970 hrs
UPPER BEARING GREASE SEAL LEAKING ON UNIBALL.
Part: BEARING — WORN (MAIN ROTOR) · airframe 3,893 hrs
BEARINGS WORN.
Part: UNIVERSAL — WORN (MAIN ROTOR) · airframe 3,886 hrs
BEARING WORN.
Part: BLADE — CRACKED (MAIN ROTOR) · airframe 3,924 hrs
MAIN ROTOR BLADE IS CRACKED.
Part: ADI — FAILED (COCKPIT) · airframe 3,928 hrs
ATTITUDE INDICATOR STAYS IN LEFT TURN. REPLACED WITH SERVICEABLE ATTITUDE IND.
Part: SPLINE ADAPTER — WORN (COOLER BLOWER) · airframe 1,163 hrs
WORN SPLINES.
Part: ADI — FAILED (COCKPIT) · airframe 3,929 hrs
FLAG DOES NOT PULL AND GAUGE DOES NOT CORRESPOND TO ATTITUDE. REPLACED WITH SERVICEABLE ATTITUDE IND.
Part: VALVE — LEAKING (FUEL FILTER) · airframe 3,899 hrs
EXTERNAL FUEL FILTER DRAIN VALVE LEAKING AROUND HANDLE WHEN DRAINING FUEL.
Part: UNIVERSAL JOINT — WORN (MAIN ROTOR) · airframe 3,854 hrs
WEAR BEYOND ALLOWABLE LIMITS.
Part: DUCT — CRACKED (OIL COOLER) · airframe 3,622 hrs
OIL COOLER DUCT CRACKED.
Part: TUBE — CORRODED (MLG) · airframe 3,622 hrs
TUBE WORN.
Part: HOUSING — CRACKED (BLOWER) · airframe 3,622 hrs
BLOWER HOUSING CRACKED.
Part: LINE — CORRODED (MLG) · airframe 3,622 hrs
LINE WORN.
2000
Part: COVER — TORN (MLG)
VELCRO TEARING ON FLOAT COVER ASSY.
Part: SKID TUBE — WORN (MLG)
SKID TUBE ASSY WORN.
Part: COVER — TORN (MLG)
VELCRO TEARING ON FLOAT COVER ASSY.
Part: COVER — TORN (MLG)
VELCRO TEARING ON FLOAT COVER ASSY.
Part: COVER — TORN (MLG)
VELCRO TEARING ON FLOAT COVER ASSY.
Part: SKID TUBE — WORN (MLG)
SKID TUBE ASSY WORN.
Part: COVER — WORN (FLOAT)
FLOAT COVER ASSY WORN.
Part: COVER — WORN (FLOAT)
FLOAT COVER ASSY WORN.
1999
Part: HOSE — KINKED (MLG)
HOSE ASSY KINKED.
Part: POWER SUPPLY — INTERMITTENT (STROBE)
POWER SUPPLY, INTERMITTENT OPERATION.
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.
Part: UNIVERSAL — WORN (M/R DRIVE)
BEARING WORN.
Part: GAUGE — CONTAMINATED (FLOAT)
PRESSURE GAUGE NEEDLE STICKS AND SAND IN GAUGE.
Part: UNIVERSAL — WORN (M/R DRIVE)
BEARINGS WORN.
Part: TEMP BULB — MALFUNCTIONED (OIL TEMP)
HIGH TEMP INDICATIONS. REFERENCE: DMR NR 686425.
Part: SWITCH — MALFUNCTIONED (FUEL SYSTEM)
LOW LIGHT WOULDN'T GO OUT.
Part: PITCH LINK — DAMAGED (MAIN ROTOR)
SWAGED AREA OF PITCH LINK REMOVED.
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.
Part: CELL — FAILED (BATTERY)
BURNT CELL IN BATTERY.
Part: SWITCH — INOPERATIVE (M/R GEARBOX)
PRESSURE SWITCH INTERMITTENT AND INOPERATIVE.
Part: SKIN — CRACKED (TAIL BOOM)
SKIN ON TAILBOOM CRACKED.
Part: GEARBOX — FROZEN (TAIL ROTOR)
T/R TRUNNION FROZEN ON OUTPUT SHAFT AND INPUT SEAL LEAKS.
Part: HUB — FAILED (TAIL ROTOR)
HUB FROZEN TO T/R GEARBOX SHAFT; USED 5 TONS OF HYDRAULIC PRESSURE TO FREE.
1998
Part: LINK — WORN (TAIL ROTOR)
LINK BEARINGS WORN BEYOND LIMITS. SERIAL NUMBERS REMOVED ARE NHFS-3122 AND NHFS-3123.
Part: INDICATOR — FAILED (MGT)
MGT FAILED IN FLIGHT, FULL DEFLECTION.
Part: STARTER — WORN (START/GEN)
300 HOUR INSPECTION. FOUND BRUSHES WERE EXCESSIVELY WORN AND END BELL HAD SURFACE CORROSION.
Part: VALVE — STICKING (HYDRAULIC SYS)
HYDRAULIC VALVE STICKS.
Part: INDICATOR — FAILED (MGB TACH)
MGT INDICATOR, INTERMITTENT; ERRATIC.
Part: SWITCH — MALFUNCTIONED (M/R GEARBOX)
LIGHT COMES ON INTERMITTENTLY ON PRESSURE SWITCH.
Part: INDICATOR — MALFUNCTIONED (ATTITUDE)
SHOWS 5 DEGREE RIGHT TURN AND 3 DEGREE BAR RISE WHEN SETTLING.
Part: INDICATOR — FAILED (DUAL TACH)
NR FAILED TO TEST.
Part: INDICATOR — FAILED (M/R DRIVE)
MGT INDICATOR ERRATIC, THEN WENT TO ZERO DEGREES.
Part: CLOCK — FAILED (COCKPIT)
CLOCK WILL NOT STAY READABLE.
Part: INDICATOR — FAILED (DUAL TACH)
ROTOR TACHOMETER FAILED.
Part: TRANSMITTER — ERRATIC (M/ROTOR)
ERRATIC M/R INDICATIONS.
Part: BRUSHES — WORN (STARTER/GEN)
AIRCRAFT WILL NOT START. FOUND STARTER/GENERATOR BRUSHES EXCESSIVELY WORN AND HANGING UP. REPLACED BRUSHES.
Part: CLOCK — FAILED (COCKPIT)
CLOCK DOESN'T RESET FOR TIMES.
Part: TRANSMITTER — FAILED (GEARBOX OIL)
GAUGE READS ZERO OIL PRESSURE.
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.
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.
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.
Part: INDICATOR — FAILED (TORQUE)
WHILE HOVERING AT 68-71% TORQUE, TORQUE GAUGE STARTED INCREASING UNTIL REACHING FULL SCALE READING AND THEN WENT TO 0%.
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.
Part: TORQUE TRANSMITT — FAILED (ROTOR)
TORQUE SLOWLY WENT UP, THEN FELL TO ZERO.
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.
Part: INDICATOR — FAILED (ENG TORQUE)
TORQUE INDICATOR WILL NOT COMPLETE SELF TEST. BAR GRAPH STARTS HALFWAY UP.
1997
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.
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.