MD Helicopters 500N

Service difficulty reports · 103

Newest first. General aviation reporting is voluntary.

Query with SQL
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"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 97ZZZX4974Lens · crackedLENS CRACKED ALONG SEAM. FOUND ON PRE-FLIGHT.Nov 12, 1997 · N523FB · Hughes 500N · Exterior LightingSDR 97ZZZX4738Governor · failedDURING FLIGHT, GOVERNOR LOCKED-UP INTERNALLY CAUSING ENGINE TO SPOOL DOWN TO GROUND IDLE. THIS CAUSED ACFT TO MAKE A PRECAUTIONARY LANDING AT NIGHT ON 10-20-97.Oct 20, 1997 · N522FB · Hughes 500N · Turbine GovernorSDR 97ZZZX4339Bearing · seal clip failedLOWER BEARING SEAL CLIP FELL OUT DURING FLIGHT. FOUND DURING 300-HOUR INSPECTION.Sep 25, 1997 · N527FB · Hughes 500N · Main Rotor Drive SystemSDR 97ZZZX4338Bearing · seal clip failedLOWER SEAL RETAINING CLIP FELL OUT DURING FLIGHT. FOUND DURING 100-HOUR INSPECTION.Sep 25, 1997 · N522FB · Hughes 500N · Main Rotor Drive SystemSDR 97ZZZX4024Switch · failedRUNAWAY TRIM, FORE AND AFT, DUE TO STICK TRIM SWITCH FAILURE.Aug 22, 1997 · N527FB · Hughes 500N · Main Rotor ControlSDR 97ZZZX3768Belt · crackedBELT WAS FOUND CRACKED VERTICALLY ON 300-HOUR INSPECTION. CRACKED ON OUTSIDE LAYER. BOTH BELTS CRACKED AT LOCATION IN RELATION TO PART NUMBER STAMP.Aug 8, 1997 · N523FB · Hughes 500N · Rotorcraft Cooling Fan SystemSDR 97ZZZX3760Belt · crackedTWO EACH BLOWER BELTS WITH LOG B.04 HA1634, FOUND CRACKED VERTICALLY ON OUTSIDE LAYER OF BELT. BOTH BELTS CRACKED AT SAME LOCATION IN RELATION TO PART NUMBER STAMP.Aug 8, 1997 · N524FB · Hughes 500N · Rotorcraft Cooling Fan SystemSDR 97ZZZX3761Link · seizedDURING 300-HOUR INSPECTION, FOUND BEARINGS LOCKED UP IN FAN PITCH CHANGE ARM AREA.Jul 29, 1997 · N524FB · Hughes 500N · Tail Rotor Control SystemSDR 97ZZZX3767Trim Switch · failedPILOT TRIM SWITCH STICKING IN ALL DIRECTIONS.Jul 24, 1997 · N523FB · Hughes 500N · Main Rotor ControlSDR 97ZZZX3202Lens · crackedDURING DAILY WALK-AROUND, STROBE LENS FOUND CRACKED ALONG SEAM.Jul 1, 1997 · N526FB · Hughes 500N · Exterior LightingSDR 97ZZZX3200Lens · crackedDURING MORNING WALK-AROUND, FORWARD LOWER STROBE LENS FOUND TO BE CRACKED ON SEAM. SECOND CRACK 2 INCHES DOWN PROCEEDING TO CLAMP AREA.Jul 1, 1997 · N524FB · Hughes 500N · Exterior LightingSDR 97ZZZX3205Seat Belt · faultySEAT BELT DOES NOT HOLD IN TIGHTEN MODE. ALLOWS BELT TO SLIDE LOOSE DURING FLIGHT.May 31, 1997 · N527FB · Hughes 500N · Flight Compartment EquipmentSDR 97ZZZX3204Lens · crackedFOUND AFT LOWER STROBE LENS CRACKED AND SEPARATED AT SEAM.May 31, 1997 · N527FB · Hughes 500N · Exterior LightingSDR 97ZZZX3203Seat Belt · failedSEAT BELT LOOSENS DURING FLIGHT. DOES NOT HOLD WHEN TIGHTENED.May 31, 1997 · N527FB · Hughes 500N · Flight Compartment EquipmentSDR 97ZZZX2724Switch · sticksTRIM SWITCH STICKS TO RIGHT MAKING MOTOR RUN UNTIL BREAKING.May 14, 1997 · N524FB · Hughes 500N · Main Rotor ControlSDR 97ZZZX2308Switch · failureRUNAWAY TRIM TO THE RIGHT FOUND DURING FLIGHT.May 6, 1997 · N526FB · Hughes 500N · Main Rotor ControlSDR 97ZZZX2297Lens · crackedOPERATOR HAS EXPERIENCED 5 EACH STROBE LENSES CRACKED AT SEAM LINE. ALL OCCURRED ON S/N'S LN001 THROUGH LN007.May 6, 1997 · Hughes 500N · Exterior LightingSDR 97ZZZX2378Cap · failedLOCK TAB ON FUEL CAP WORN AT CAM END. FUEL CAP WILL NOT LOCK PROPERLY. NO REPAIR. CAP MUST BE REPLACED.May 3, 1997 · N521FB · Hughes 500N · Fuel StorageSDR 97ZZZX2377Cap · no lockACFT S/N LN001 THROUGH LN007 REPORTED 30 EACH FUEL CAPS HAVE WORN LOCK TABS AND REQUIRED REPLACEMENT. FUEL CAP WILL NOT LOCK PROPERLY. NO REPAIR CAP HAS TO BE CHANGED.May 3, 1997 · N521FB · Hughes 500N · Fuel StorageSDR 97ZZZX2304Lens · crackedLOWER STROBE LENS CRACKED ON SEAM. FOUND ON MORNING WALK-AROUND POST-FLIGHT INSPECTION. ACFT HRS 4,727.6.Apr 23, 1997 · N525FB · Hughes 500N · Exterior LightingSDR 97ZZZX2303Lens · crackedLOWER AFT STROBE LENS CRACKED AND SEPARATED AT SEAM.Apr 23, 1997 · N524FB · Hughes 500N · Exterior LightingSDR 97ZZZX2300Stringer · crackedSTRINGER CRACKED APPROXIMATELY 1.50 INCHES LONG AT AFT END. FIRST STRINGER TO RIGHT OF KEEL AT CENTER. THIS CRACKING APPEARS TO BE RELATED TO FLOAT LIGHT MOUNTING PROCEDURE.Apr 23, 1997 · N521FB · Hughes 500N · Fuselage Main, Longeron/StringerSDR 97ZZZX2299Stringer · crackedFIRST STRINGER LEFT OF CENTER KEEL CRACKED AT AFT END 1.50 INCHES. THIS CRACKING APPEARS TO BE RELATED TO FLOAT LIGHT MOUNTING PROCEDURES.Apr 23, 1997 · N521FB · Hughes 500N · Fuselage Main, Longeron/StringerSDR 97ZZZX2298Ring Assy · crackedRIGHT LOWER 137.50 BULKHEAD RING ASSY CRACKED 1 INCH UP AND COMPLETELY THROUGH SKIN ATTACH TURN-BACK. THIS CRACK IS RELATED TO FLOAT LIGHT INSTALLATION.Apr 23, 1997 · N521FB · Hughes 500N · Fuselage Main, BulkheadSDR 97ZZZX2331Damper Pin · failedM/R DAMPER PINS LOST EXPANSION CLAMP UP. WILL NOT ADJUST TO HOLD DURING FLIGHT.Apr 14, 1997 · N523FB · Hughes 500N · Main Rotor HeadSDR 97ZZZX2306Lens · crackedFOUND LOWER AFT STROBE LENS CRACKED AT SEAM.Apr 14, 1997 · N525FB · Hughes 500N · Exterior LightingSDR 97ZZZX2305Tube Assy · bindingINSPECTION FOUND SPLINES WORN AT SPIDER END. ROD BENT AT SPLINES.Apr 14, 1997 · N526FB · Hughes 500N · Rotorcraft Cooling Fan SystemSDR 97ZZZX2332Support · wornFOUND FAN TUBE SUPPORT WORN. GUIDE TEETH WORN FROM FAN PUSH ROD.Apr 11, 1997 · N523FB · Hughes 500N · Rotorcraft Cooling Fan SystemSDR 97ZZZX2307Support · wornFOUND FAN TUBE SUPPORT WORN BY FAN POSITION PUSH ROD. SPLINED TEETH IN SUPPORT GUIDE WORN EXCESSIVELY.Apr 11, 1997 · N526FB · Hughes 500N · Rotorcraft Cooling Fan SystemSDR 97ZZZX2301Brace · looseUPON CHANGING FAN DRIVESHAFT, FOUND NOTAR DIAGONAL BRACE LOOSE. WORKING RIVETS BETWEEN FITTING 500N3130-3 AND TUBE 500N3122 AT STA 137.5.Apr 7, 1997 · N522FB · Hughes 500N · Rotorcraft Tail BoomSDR 97ZZZX3201Mount · crackedAFT TRANSMISSION MOUNT CRACKED FROM RIVET, OUTWARD THROUGH EXTRUSION WEB AT UPPER LEFT MOUNT, PN 500N3139, STA 137.50 BULKHEAD.Apr 3, 1997 · N522FB · Hughes 500N · Tail Rotor Control SystemSDR 97ZZZX2302Exhaust · crackedLOWER END AFT OF RT STACK CRACKED APPROXIMATELY 2 INCHES ON BOTTOM STARTING AT END TRAVELING THROUGH REINFORCEMENT RIDGE THEN CURVING TOWARD OUTBOARD SIDE OF MAIN BODY OF STACK.Apr 2, 1997 · N522FB · Hughes 500N · Engine Collector/Tailpipe/NozzleSDR 97ZZZX2296Link · bearing lock upOPERATOR REPORTS LINK BEARING ASSY HAS LIMITED LIFE DUE TO LOCKING UP OF BEARINGS CAUSES PILOT TO HAVE ERRATIC PEDAL CONTROL HARD PEDALS, CAM, OVERSCARRING OF CLEVIS AT GEARING. AT PRESENT, NO GREASING PER MDHC. S/N'S NOTED LN001 THROUGH LN007.Apr 2, 1997 · Hughes 500N · Tail Rotor Control SystemSDR 97ZZZX1732Lens · crackedLOWER AFT STROBE LENS FAILED BY CRACKING ALONG SEAM OF LENS. FOUND ON MORNING WALK-AROUND. PART SENT TO WHELEN.Apr 2, 1997 · N524FB · Hughes 500N · Exterior LightingSDR 97ZZZX1733Lens · crackedLOWER AFT LENSE CRACKED. NEW STYLE, AND NEW STYLE PLASTIC CLAMP. LENS SENT TO WHELEN.Mar 28, 1997 · N521FB · Hughes 500N · Exterior LightingSDR 97ZZZX1731Lens · crackedLENS CRACKED ALONG SEAM. FOUND ON MORNING WALK-AROUND. PART SENT TO WHELEN.Mar 28, 1997 · N526FB · Hughes 500N · Exterior LightingSDR 97ZZZX1727Lens · crackedLOWER AFT LENS CRACKED ON SEAM. ALSO, STAR CRACK ON FWD LIP. PART SENT TO WHELEN.Mar 27, 1997 · N525FB · Hughes 500N · Exterior LightingSDR 97ZZZX1725Lens · seam crackedLOWER STROBE LENS SEAM CRACKED. FOUND ON PRE-FLIGHT. PART SENT TO WHELEN.Mar 27, 1997 · N524FB · Hughes 500N · Exterior LightingSDR 97ZZZX1724Lens · crackedNEW LENS FROM WHELEN. FAILED BY CRACKING IN HALF AT SEAM. PARTS FOUND ON 100 HOUR INSPECTION . ALL 3 PIECES AT SHOP FOR INSPECTION.Mar 18, 1997 · N526FB · Hughes 500N · Exterior LightingSDR 97ZZZX1726Lens · crackedLENS CRACKED RADIALLY .50 INCH - 1 INCH FROM TOP OR BOTTOM. NEW CLAMP WORKS GOOD. LENS IS NEW STYLE FROM WHELEN. PART SENT TO WHELEN.Mar 17, 1997 · N524FB · Hughes 500N · Exterior LightingSDR 97ZZZX1094Lens · crackedBASE OF LENS CRACKED WOULD HAVE FALLEN OFF. FOUND ON INSPECTION. TT: 35 HOURS.Feb 27, 1997 · N527FB · Hughes 500N · Exterior LightingSDR 97ZZZX1093Lens · crackedBASE OF LENS CRACKED FROM MOUNT RING CLAMP DUE TO VIBRATION. FOUND ON INSPECTION, APPROXIMATELY 250 HOURS.Feb 25, 1997 · N521FB · Hughes 500N · Exterior LightingSDR 97ZZZX1730Light · failedSTROBE LIGHT GOES INTO 'GLOW' SELF-IONIZATION. PART CAUSES STROBES TO STOP OPERATION. MAY CAUSE HAZARD DURING NIGHT FLIGHT. P/N 70521-01.Feb 7, 1997 · N527FB · Hughes 500N · Exterior LightingSDR 97ZZZX1729Light · failedSTOBE ASSY GOES INTO 'GLOW' SELF-IONIZATION. PART CAUSES STROBES TO STOP OPERATION. SUBMITTER STATED CAN CAUSE HAZARD WHEN FLYING AT NIGHT. P/N 70521-01.Feb 4, 1997 · N527FB · Hughes 500N · Exterior LightingSDR 97ZZZX1728Light · failedP/N 70521-01. STROBE GOES INTO 'GLOW' SELF-IONIZATION. PART CAUSES STROBES TO STOP OPERATION. SUBMITTER STATED MAY CAUSE HAZARD DURING NIGHT OPERATION.Feb 4, 1997 · N521FB · Hughes 500N · Exterior LightingSDR 97ZZZX1723Light · failN NR 521FB THROUGH N NR 527FB. P/N 70521-01. APPROXIMATELY 30 UNITS HAVE GONE BAD IN THE A996 SEASON. ALMOST ALL HAVE LESS THAN 500 HOURS ON THEM. MOST OF THE TIME IT IS THE UPPER AFT LOCATION.Feb 4, 1997 · Hughes 500N · Exterior LightingSDR 97ZZZX1722Lens · crackedN NR 521FB THROUGH N NR 527FB. P/N A402A 'R AND R/N' STROBE LENS, APPROXIMATELY 60 LENS COVERS HAVE BROKEN OR CRACKED ON OUR HELICOPTERS. DIFFERENT DESIGNS HAVE BEEN TRIED. SAME RESULTS. MOST BREAKAGE IS ON LOWER AFT STROBE.Feb 4, 1997 · Hughes 500N · Exterior LightingSDR 96ZZZX4718Switch · sticksSWITCH STICKS IN LEFT POSITION. RESULTS IN BURNT TRIM MOTOR (ELECTRICALLY) INOPERATIVE. SWITCH PLATING COMES OFF AND BONDS TRIGGER.Aug 6, 1996 · N521FB · Hughes 500N · Main Rotor ControlSDR 96ZZZX4281Switch · stickingSWITCH STICKS IN ALL POSITIONS AFTER 1 HOUR OF FLIGHT. IN-FLIGHT CAUSES TRIM TO RUN AWAY OR BURN UP TRIM MOTOR. SWITCH PLATING COMES OFF AND BINDS TRIGGER.Aug 5, 1996 · N527FB · Hughes 500N · Main Rotor ControlSDR CA960223003Com Control · failed(CAN)TAC/COM CONTROL HEAD HAD BEEN CHECKED TWICE FOR COMPLAINTS, BUT NO FAULT FOUND. SNAGS INCLUDED INTERMITTENT RESPONSE TO MOMENTARY SWITCHES OF 'CHANNEL SELECT' AND 'RADIO NEXT', AND ALSO UNIT WOULD IND ICATE RECEPTION WHEN NO AUDIO COULD BE HEARD. BOTH SNAFeb 1, 1996 · Hughes 500N · VHF Communications System
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