MD Helicopters 500N

Service difficulty reports · 103

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '500N'
  ORDER BY difficulty_date DESC"

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SDR 2023FA0000627Blade · unknownIN RNGARDS TO THE MD 500N HOLICOPTER, LHLS IS THE SECOND LIMO THAT I HAVE THE SAME ISSUE WITH THE NOTAR FAN BLADE ASSEMBLIES HAVING A STRANGO WEAR PALLERN ON THE SPAR PORTION OF THE BLADE ASSEMBLY. THESE FAN BLADES PIN: 500N5310-23 HAVO 3122.4 HRS TSN. NOT ALJun 28, 2023 · N103CG · Hughes 500N · Tail Rotor Drive SystemSDR 2023FA0000626Blade · unknownTHO 1.1O500N HERICOPLER HAS A 13 BLADED ANTI IOFQUO FAN (NOTAR FAN) INSTEAD DO TRND1TLONAL LAIL ROLET ASSY. THE NOTAR FAN NSSY'S PIN IS 500N5300-7. THO PIN OF LHE INN BLNDOS ORE 500N5310-23. THESE HAVO N SCRVICO LIFO OF 7500.0 HRS. THOSO FON BLNDE ASSOMBLLOS OJun 28, 2023 · N520PD · Hughes 500N · Tail Rotor Drive SystemSDR 2006FA0000552Cable · brokenPILOT WAS PRACTICING AUTOROTATION AND FELT A CHANGE IN THE PEDALS. AFTER TOUCHDOWN, HE ATTEMPTED TO HOVER BY RAISING THE COLLECTIVE, AND THE HELICOPTER BEGAN TO SPIN, HE LOWERED THE COLLECTIVE, AND SHUTDOWN. NO DAMAGE TO THE HELICOPTER WAS NOTED. THE ROTATIMay 13, 2006 · N520HB · Hughes 500N · Tail Rotor Control SystemSDR 2006FA0000509Cable · severedDURING PRACTICE AUTOROTATIONS, PILOT FELT A CHANGE IN THE ANTI-TORQUE PEDALS. AFTER TOUCHDOWN HE ATTEMPTED TO RAISE THE COLLECTIVE AND THE HELICOPTER BEGIN TO SPIN, HE LOWERED THE COLLECTIVE AND SHUTDOWN. NO DAMAGE WAS NOTED. THE ROTATING CONE CONTROL CABLE WAMay 13, 2006 · N520HB · Hughes 500N · Tail Rotor Control SystemSDR 2006FA0000115Combust Chamber · crackedDURING AN INSPECTION FOR HIGH TOT THE OUTER COMBUSTION CAN WAS FOUND TO BE CRACKED IN THE LEFT (ARM PIT). (K)Oct 6, 2005 · Hughes 500N · Turbine Engine Combustion SectionSDR 2004FA0000733Mount · out of positionAIRCRAFT FOUND TO HAVE CONTACT WITH FAN CONTROL ROD AND FAN DRIVESHAFT. WHICH MAY HAVE BEEN THE CAUSE OF HIGH VIBRATION IN AIRFRAME. MFG CALLED TO CHECK THE ALIGNMENT OF THE FAN MOUNT. SECOND TIME WE HAD RUB WITH DRIVESHAFT SINCE AIRCRAFT WAS NEW. UPON REMAug 11, 2004 · N529FB · Hughes 500N · Rotorcraft Tail BoomSDR 2004FA0000722Mount · out of adjustAIRCRAFT OVERCOME WITH SEVERE VIBRATION ON THROTTLE ROLL UP FROM GROUND IDLE TO FLIGHT IDLE. FOUND FAN CONTROL ROD MADE CONTACT INSIDE FAN DRIVESHAFT. UPON FURTHER INSPECTION FOUND FAN TRANSMISSION MOUNT AT STATION 150 OUT OF ALIGNMENT. SENDING AIRCRAFT BACJul 15, 2004 · N528FB · Hughes 500N · Rotorcraft Tail BoomSDR 2004FA0000721Mount · out of positionAIRCRAFT FOUND TO HAVE CONTACT WITH FAN CONTROL ROD AND FAN DRIVESHAFT, WHICH MAY HAVE BEEN THE CAUSE OF HIGH VIBRATION IN AIRFRAME. MFG CALLED TO CHECK THE ALIGNMENT OF THE FAN MOUNT. SECOND TIME, HAD RUB WITH DRIVESHAFT SINCE AIRCRAFT WAS NEW.Jul 15, 2004 · N529FB · Hughes 500N · Rotorcraft Flight ControlSDR GO42004F00000Control Cable · brokenDURING DAILY INSP, THE THRUSTER ASSY SYSTEM WAS OPERATED TO CHECK THE OPERATION AND SMOOTHNESS OF THIS SYSTEM. A LOUD NOISE WAS HEARD AND THE THRUSTER CONE WAS DISCONNECTED FROM THE CONTROL SYSTEM. UPON REMOVING THE TAILBOOM FAIRING TO GET ACCESS TO THE INTEApr 12, 2004 · N501HP · Hughes 500N · Fuel Controlling SystemSDR CA031017004Fuel Control · failed(CAN) AFTER LANDING, THROTTLE WAS SNAP ROLLED TO IDLE. N2 WAS NR IMMEDIATELY INCREASED TO 105 PERCENT AND STABILIZED. ENGINE WAS SHUT DOWN BY ROLLING THROTTLE TO CUT OFF. NOTE: ENGINE WAS DUE FOR HOT SECTION, SO RENTAL WAS INSTALLE4D. SUSPECT ENGINE, FCU AND GOct 4, 2003 · Hughes 500N · Fuel Control/Turbine EnginesSDR CA030729016Control Cable · failed(CAN) AT PREFLT, PILOT REPORTED A 'BINDING' AT EXTREME RT PEDAL. MAINT DISCONNECTED SECTIONS OF SYS & COULDN`T REPEAT. DAYS LATER PILOT REPORTED SIMILAR BINDING PLUS A 'BANG' BEFORE MOVING SMOOTHLY AGAIN. DURING INVEST, ENGINEERING FOUND BINDING WHERE 2 CABLEJul 10, 2003 · Hughes 500N · Tail Rotor Control SystemSDR CA030312016Bearing · making metal(CAN) DURING A FLIGHT THE ENGINE CHIP LIGHT ILLUMINATED, THE PILOT LANDED AND THE LOWER CHIP PLUG WAS INSPECTED AND HAD SHINY PARTICLES ON IT. THE AIRCRAFT WAS GROUND RUN FOR 15 MINUTES AND SENT BACK FLYING. THE NEXT DAY HE FLEW FOR 1 HOUR AND HAD ANOTHER CHIFeb 12, 2003 · Hughes 500N · Turbine SectionSDR AUS20020748Strut · cracked(AUS) LT MAIN LANDING GEAR STRUT CRACKED FROM RIVET HOLE. CRACK LENGTH 9.525MM (0.375IN).Jul 10, 2002 · Hughes 500N · Main Landing Gear Strut/Axle/TruckSDR CA011211017Strut · cracked(CAN) CRACK FOUND ON UPPER PART OF STRUT AROUND THE BRACE ATTACHMENT HOLE.Dec 4, 2001 · Hughes 500N · Nose/Tail Landing Gear Strut/AxleSDR CA011211015Strut · cracked(CAN) CRACK FOUND ON UPPER PART OF STRUT AROUND THE BRACE ATTACHMENT HOLE.Dec 4, 2001 · Hughes 500N · Nose/Tail Landing Gear Strut/AxleSDR CA011211014Strut · cracked(CAN) CRACK FOUND ON UPPER PART OF STRUT AROUND THE BRACE ATTACHMENT HOLE.Dec 4, 2001 · Hughes 500N · Nose/Tail Landing Gear Strut/AxleSDR CA011211013Strut · cracked(CAN) CRACK FOUND ON UPPER PART OF STRUT AROUND THE BRACE ATTACHMENT HOLE.Dec 4, 2001 · Hughes 500N · Nose/Tail Landing Gear Strut/AxleSDR CA011211016Strut · cracked(CAN) CRACK FOUND ON UPPER PART OF STRUT AROUND THE BRACE ATTACHMENT HOLE.Nov 23, 2001 · Hughes 500N · Nose/Tail Landing Gear Strut/AxleSDR AUS20010762Oil System · blocked(AUS) NR 6 AND NR 7 BEARING OIL SCAVENGE PORT PARTIALLY BLOCKED BY CARBON DEPOSITS. OIL TYPE HAD BEEN CHANGED FROM MOBIL 254 TO MOBIL 291.Jul 12, 2001 · Hughes 500N · Turbine Engine Oil SystemSDR 20001106SH085Control Rod · chafedPILOT REPORTED, DURING THROTTLE ADVANCE ON RUN-UP, A LOUD RUMBLING NOISE AND SEVERE VIBRATION STARTED ABRUPTLY AS TORQUE APPROACHED 40 PERCENT TORQUE. INSP OF ALL SYS BY MECH FOUND NO PROBLEM AREA. TWO SUBSEQUENT RUNS PRODUCED NO REPEAT OF PROBLEM THIRD RUN,Oct 15, 2000 · N954SD · Hughes 500N · Tail Rotor Control SystemSDR 20001108SH027Gear · spalledMAIN ROTOR CHIP DETECTORS PICKING UP MAJOR METAL. OPENED GEARBOX AND INSPECTED. FOUND SPALLING OF ALL GEARS. SUBMITTER SUGGESTED OIL NOT LUBRICATING UNDER LOADS. USING MOBIL SHC 626 PER MDHC NOTICE NL.001.1. (X)Oct 13, 2000 · N526FB · Hughes 500N · Main Rotor GearboxSDR 20001103SH001Mast · damagedFOUND PAINT SEALANT INSIDE MAIN ROTOR MAST TUBE BLISTERED AND FALLING INTO MAIN ROTOR TRANSMISSION GEARBOX. APPEARED THAT MAIN ROTOR TRANSMISSION OIL MOBILE SHC 626 IS NOT COMPATIBLE WITH SEALANT PAINT ON INSIDE OF MAIN ROTOR MAST.Oct 13, 2000 · N522FB · Hughes 500N · Main Rotor Mast/SwashplateSDR 20001102SH038Mast · damagedFOUND PAINT SEALANT INSIDE MAST TUBE BLISTERED AND FALLING INTO M/R TRANSMISSION GEARBOX. APPEARED THAT M/R TRANSMISSION OIL MOBILE SHC 626 IS NOT COMPATIBLE WITH SEALANT PAINT ON INSIDE OF M/R MAST.Oct 13, 2000 · N527FB · Hughes 500N · Main Rotor Mast/SwashplateSDR 20001102SH037Mast · damagedFOUND PAINT SEALANT INSIDE MAIN ROTOR MAST TUBE BLISTERED AND FALLING INTO M/R TRANSMISSION GEARBOX. APPEARED THAT M/R TRANSMISSION OIL MOBILE SHC 626 IS NOT COMPATIBLE WITH SEALANT PAINT ON INSIDE OF M/R MAST.Oct 13, 2000 · N526FB · Hughes 500N · Main Rotor Mast/SwashplateSDR 20001102SH036Mast · damagedFOUND PAINT SEALANT INSIDE MAIN ROTOR MAST TUBE BLISTERED AND FALLING INTO M/R TRANSMISSION GEARBOX. APPEARED THAT M/R TRANSMISSION OIL MOBIL SHC 626 IS NOT COMPATIBLE WITH SEALANT PAINT ON INSIDE OF M/R MAST.Oct 13, 2000 · N525FB · Hughes 500N · Main Rotor Mast/SwashplateSDR 20001102SH035Mast · damagedFOUND PAINT SEALANT INSIDE MAIN ROTOR MAST TUBE BLISTERED AND FALLING INTO M/R TRANSMISSION GEARBOX. APPEARED THAT M/R TRANSMISSION OIL MOBILE SHC 626 IS NOT COMPATIBLE WITH SEALANT PAINT ON INSIDE OF M/R MAST.Oct 13, 2000 · N524FB · Hughes 500N · Main Rotor Mast/SwashplateSDR 20001102SH034Mast · damagedFOUND PAINT SEALANT INSIDE M/R MAST TUBE BLISTERED AND FALLING INTO M/R TRANSMISSION GEARBOX. APPEARED THAT M/R TRANSMISSION OIL MOBILE SHC 626 IS NOT COMPATIBLE WITH SEALANT PAINT ON INSIDE OF M/R MAST.Oct 13, 2000 · N523FB · Hughes 500N · Main Rotor Mast/SwashplateSDR 20001102SH033Mast · damagedFOUND PAINT SEALANT INSIDE MAIN ROTOR MAST TUBE BLISTERED AND FALLING INTO M/R TRANSMISSION GEARBOX. APPEARED THAT M/R TRANSMISSION OIL MOBILE SHC 626 IS NOT COMPATIBLE WITH SEALANT PAINT ON INSIDE OF M/R MAST.Oct 13, 2000 · N521FB · Hughes 500N · Main Rotor Mast/SwashplateSDR CA010219007Tube · leaking(CAN) PILOT REPORTED INCREASED START TEMPERATURE. ON RUN-UP IT WAS DISCOVERED THAT THE LARGE AIR LINE BETWEEN THE ENGINE COMPRESSOR AND THE FIREWALL WAS LEAKING AIR FROM THE FLEXIBLE BRAID SECTION. ENGINE WAS SHUT DOWN AND THE LINE WAS REPLACED. THE LEAK IS NOSep 20, 2000 · Hughes 500N · Compressor Bleed ControlSDR 20001017SH022Nut · looseAT ACTT: 23.5 HOURS, THE UNILOCK, PN 369A7010501 SN 024598-5326, WAS INSTALLED IN NEW CONDITION TO REPLACE A LEAKING UNILOCK. AFTER 23.6 HRS OF OPERATION, PILOT RETURNED STATING THE CYCLIC CONTROL HAD PLAY LONGITUDINALLY. THE GRIP WOULD MOVE SEVERAL INCHES Sep 18, 2000 · N520PM · Hughes 500N · Main Rotor ControlSDR CA000920005Turbine · carboned(CAN) DURING FLIGHT, A LOSS OF OIL PRESSURE AND TORQUE INDICATION WAS NOTED. AN IMMEDIATE LANDING WAS PERFORMED AND THE ENGINE WAS SECURED. THE ENGINE OIL LEVEL WAS CHECKED AND IT WAS THEN DISCOVERED THAT THE ENGINE OIL TANK WAS ENPTY. THE PILOT STATEDAug 11, 2000 · Hughes 500N · Turbine Engine Oil SystemSDR CA000110025Strut · cracked(CAN) LEFT REAR LANDING GEAR STRUT STRUCTURALLY FAILED. IT APPEARS THAT THE CRACK BEGAN AT RIVET HOLE FOR STRUT FAIRING ATTACHMENT BRACKET.Dec 15, 1999 · Hughes 500N · Main Landing Gear Strut/Axle/TruckSDR 2000ZZZX661Governor · failedGOVERNOR FAILURE, UNIT BECOMES ERRATIC IN OPERATION. WILL NOT HOLD ENGINE RPM. SUBMITTER STATED EXPERIENCED THREE SUCH FAILURES THIS YEAR ON FLEET. (X)Dec 9, 1999 · N525FB · Hughes 500N · Turbine GovernorSDR 99ZZZX4701Cables · fracturedDURING POST-CRASH EXAMINATION OF THE ANTI-TORQUE CONTROL SYSTEM, FRACTURES WERE FOUND OF THE PUSH/PULL TYPE THRUSTER CONTROL CABLES P/N 500N7201-5 AND -37. THE FORWARD CABLE FRACTURED AT THE SWIVEL BALL JOINT ALLOWING THE HOUSING TO SEPARATE BY 2.95 INCHES. Oct 25, 1999 · N904PD · Hughes 500N · Main Rotor HeadSDR CA990630010Blade · damaged(CAN) UPON INSPECTION, A VOID WAS DETECTED IN THE GRIP PLATE THAT IS BEYOND THE MANUFACTURER'S SET FORTH REPAIRABLE LIMITS AND ALSO OUTSIDE THE PARAMETERS OFADS AND SBS THAT CALL FOR INSPECTION FOR THESE PROBLEMS.Jun 4, 1999 · Hughes 500N · Main Rotor BladesSDR 99ZZZX2014Switch · failedPILOT TRIM SWITCH RUN-A-WAY AFT.Apr 25, 1999 · N522FB · Hughes 500N · Main Rotor ControlSDR 99ZZZX2358Bearing · failedPILOT FOUND GOVERNOR SWAGING ABOVE LIMITS FOR SAFE FLIGHT. ENIGNE SURGING 20 PSI TORQUE AND 5 PERCENT N2. UPON REMOVAL OF GOVERNOR, FOUND DRIVE SHAFT LOCKED-UP. COMPONENT P/N ALAA123065123.Feb 1, 1999 · N526FB · Hughes 500N · Turbine GovernorSDR 98ZZZX2241Rod · crackedINSPECTION FOUND GAS PRODUCER INTERCONNECT TUBE WITH CRACKS, 2 EACH, 180 DEGREES APART AT SHORT END.May 27, 1998 · N524FB · Hughes 500N · Turbine SectionSDR 98ZZZX2109Torque Tube · misdrilledCOLLECTIVE TORQUE TUBE HAS BOLT HOLES NOT DRILLED TO PROPER SIZE FOR GEARBOX MOUNT BOLTS TO BE PASSED THROUGH. TWO EACH PARTS FROM FACTORY BOTH UNDERSIZED HOLES.May 22, 1998 · N524FB · Hughes 500N · Main Rotor ControlSDR 98ZZZX2108Torque Tube · misdrilledCOLLECTIVE TORQUE TUBE HAS BOLT HOLES NOT DRILLED TO PROPER SIZE FOR GEARBOX MOUNT BOLTS TO BE PASSED THROUGH. TWO EACH PARTS FROM FACTORY BOTH UNDERSIZED HOLES.May 22, 1998 · N521FB · Hughes 500N · Main Rotor ControlSDR 98ZZZX2107Push Rod · damagedDURING INSPECTION PRIOR TO INSTALLATION, GREASE SEALS ON ROD END WERE FOUND TO HAVE DENTS AND DEFORMED FROM FACTORY BUILD-UP.May 22, 1998 · N521FB · Hughes 500N · Tail Rotor Control SystemSDR 98ZZZX1833Trim Switch · failedCYCLIC TRIM SWITCH RUNS AWAY TO RIGHT SIDE.Jan 29, 1998 · N523FB · Hughes 500N · Main Rotor ControlSDR 98ZZZX177Bellcrank · bindingFOUND ON ACCEPTANCE INSPECTION THAT BELLCRANK HAS BOTH PIVOT BEARINGS PRE-LOADED TO A POINT OF NO ROTATION.Dec 16, 1997 · Hughes 500N · Rotorcraft Flight ControlSDR 98ZZZX176Bellcrank · bindingFOUND ON ACCEPTANCE INSPECTION THAT BELLCRANK HAS BOTH PIVOT BEARINGS PRE-LOADED TO A POINT BEARING WILL NOT ROTATE FOR INSTALLATION.Dec 16, 1997 · Hughes 500N · Rotorcraft Flight ControlSDR 98ZZZX85Hub · vibrationERRATIC TRACK AND BALANCE .89 IPS AT 11:00 TO .15 AT 9:00 CHANGES BY SHAKING COLLECTIVE GRIP LENGTH. ALSO, APPEARS TO CHANGE BY PULLING ON BLADES.Nov 12, 1997 · N524FB · Hughes 500N · Main Rotor HeadSDR 98ZZZX28Bearing · bindingIDLER BELLCRANK FOUND TO HAVE BOTH PIVOT BEARINGS PRELOADED TO THE POINT OF NO ROTATION OF BEARING. FOUND ON INCOMING PARTS INSPECTION.Nov 12, 1997 · Hughes 500N · Rotorcraft Flight ControlSDR 98ZZZX27Bearing · bindingIDLER BELLCRANK FOUND TO HAVE BOTH PIVOT BEARINGS PRELOADED TO A POINT OF NO ROTATION. FOUND ON ACCEPTANCE INSPECTION.Nov 12, 1997 · Hughes 500N · Rotorcraft Flight ControlSDR 98ZZZX26Bearing · bindingIDLER BELLCRANK HAS BOTH PIVOT BEARINGS PRELOADED TO A POINT OF NO ROTATION. FOUND ON INCOMING ACCEPTANCE INSPECTION.Nov 12, 1997 · Hughes 500N · Rotorcraft Flight ControlSDR 98ZZZX25Bearing · bindingIDLER BELLCRANK HAS BOTH PIVOT BEARINGS PRELOADED TO A POINT OF NO ROTATION. FOUND DURING INCOMING ACCEPTANCE INSPECTION.Nov 12, 1997 · Hughes 500N · Rotorcraft Flight ControlSDR 98ZZZX24Bearing · bindingIDLER BELLCRANK HAS BOTH PIVOT BEARINGS PRE-LOADED TO A POINT OF NO ROTATION. BINDING COULD CAUSE BOLT FAILURE. FOUND ON INCOMING ACCEPTANCE INSPECTION.Nov 12, 1997 · Hughes 500N · Rotorcraft Flight Control
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