Summa 369D

Service difficulty reports · 890

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 = '369D'
  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 95ZZZX6622Turbine · nozzle crackedWHILE CHANGING NR 1 NOZZLE, IT WAS DISCOVERED THE NR 2 NOZZLE WAS CRACKED. UNIT WAS SENT IN FOR REPAIR.Nov 22, 1995 · N4571V · Hughes 369D · Turbine SectionSDR CA960126011Bearing · leaking(CAN)BEARING LEAKING GREASE AND FEELS ROUGH. FCU REPLACED.Nov 17, 1995 · Hughes 369D · Fuel Control/Reciprocating EnginesSDR CA960126010Governor · leaking(CAN)BEARING LEAKING BLUE GREASE AND FEELS ROUGH.Nov 17, 1995 · Hughes 369D · Turbine GovernorSDR CA960126009Belt · worn(CAN)BELT WORN BEYOND LIMITS. 1000 HOUR NORMAL RETIREMENT LIFE.Nov 17, 1995 · Hughes 369D · Rotorcraft Cooling Fan SystemSDR CA951215201Bracket · cracked(CAN)TAIL ROTOR PEDAL BRACKET BROKE AWAY FROM AIRFRAME. PILOT PERFORMING PRE-FLIGHT CONTROL CHECK.Nov 17, 1995 · Hughes 369D · Tail Rotor Control SystemSDR 95ZZZX6936Strut · crackedINSPECTION FOUND STRUT CRACKED AT HOLE FOR THE BRACE ATTACH POINT.Nov 14, 1995 · N8625F · Hughes 369D · Main Landing Gear Strut/Axle/TruckSDR 95ZZZX6472Combustion Liner · crackedCOMBUSTION LINER INSPECTION FOUND CRACK ON INSIDE OF DOUBLE LIP AT 8:00 POSITION ABOUT 2.5 INCHES LONG. LINER RETURNED FOR REPAIR ON ALLISON 250. REPORT NR R159723.Nov 10, 1995 · N4571V · Hughes 369D · Turbine Engine Combustion SectionSDR 95ZZZX6323Case Half · crackedINSPECTED CASE HALVES AT ANNUAL, FOUND PLASTIC CRACKED BEYOND LIMITS WITH SOME MATERIAL MISSING.Nov 3, 1995 · N4571V · Hughes 369D · Turbine Engine Compressor SectionSDR 95ZZZX6208Unilock · defectivePILOT COMPLAINED THE CYCLIC WOULD DRIFT AFT EVEN WITH TRIM SET. REPLACED UNILOCK, CURED THE PROBLEM. UNIT SENT IN FOR OVERHAUL.Oct 25, 1995 · N5074R · Hughes 369D · Main Rotor ControlSDR 95ZZZX6197Nozzle · defectivePILOT COMPLAINED OF POWER/N2 FLUCTUATING WITH COLLECTIVE INPUT. SUBSEQUENT INSPECTION REVEALED THE FUEL NOZZLE WAS AT FAULT. REMOVED AND REPLACED NOZZLE AND PROBLEM WAS CURED. NOZZLE SENT IN FOR REWORK.Oct 19, 1995 · N3115Y · Hughes 369D · Fuel Injector NozzleSDR 95ZZZX6240Bleed Valve · sticksPILOT COMPLAINED THE POWER CHECK WAS INCONSISTENT. SUBSEQUENT INSPECTION REVEALED THE BLEED VALVE WAS STICKY. UNIT SENT IN FOR REPAIR ON ALLISON 250 REPORT NR A159719.Oct 16, 1995 · N4571V · Hughes 369D · Compressor Bleed ValveSDR 95ZZZX6196Cooler · leakingOIL COOLER WAS FOUND LEAKING IN CORE AREA. REMOVED AND REPLACED OIL COOLER. PART SENT IN FOR OVERHAUL.Oct 16, 1995 · N4571V · Hughes 369D · Engine Oil CoolerSDR CA951108009Blade · debonding(CAN)M/R BLADE LEADING EDGE ABRASION STRIP DEBONDED.Oct 15, 1995 · Hughes 369D · Main Rotor BladesSDR CA951108008Tail Rotor Assy · delaminated(CAN)SEVERE VIBRATION ON FINAL APPROACH. INSPECTION REVEALED THAT ELASTOMERIC CONICAL BEARINGS WERE DELAMINATED WHICH CAUSED VIBRATION.Oct 14, 1995 · Hughes 369D · Tail Rotor HeadSDR 95ZZZX5920Blade · bearing looseDURING 25-HOUR INSPECTION, DISCOVERED THE M/R BLADE DAMPER ATTACH BEARING (369A7951-15) WAS QUITE LOOSE. BLADE WAS REMOVED, REPAIRED, AND REINSTALLED.Sep 29, 1995 · N3115Y · Hughes 369D · Main Rotor BladesSDR 95ZZZX6088Blade · delaminatedON PRE-FLIGHT, THE ABRASION STRIP WAS FOUND DELAMINATING. FOUND A BUBBLE, .75 INCH WIDE RUNNING AT AN ANGLE FROM THE LEADING EDGE AT STA 135.0 TO THE TRAILING EDGE OF THE ABRASION STRIP AT STA 145.0. PART REMOVED AND SENT IN FOR REPAIR (THIS IS ON THE BOTTOMSep 23, 1995 · N4571V · Hughes 369D · Main Rotor BladesSDR 95ZZZX5717Transmission · making metalPILOT REPORTED A CHIP LIGHT AND UPON INSPECTION OF THE CHIP DETECTOR, A LARGE SHINING FLAKE AND NUMEROUS SMALLER FLAKES WERE FOUND. UNIT WAS SENT IN FOR OVERHAUL. (UNIT HAS 429.6 HOURS REMAINING TO OVERHAUL).Sep 15, 1995 · N4282X · Hughes 369D · Main Rotor GearboxSDR 95ZZZX5541Fuel Control · faultyWHILE IN CRUISE FLIGHT, THE PILOT NOTICED A DECREASE IN MAIN ROTOR RPM AND THE NOSE OF THE HELICOPTER NOTICEABLY YAWED. THE PILOT DECREASED COLLECTIVE PITCH, BUT THE ENGINE POWER AND ROTOR RPM CONTINUED TO DECREASE. THE ENGINE DID NOT FAIL COMPLETELY. DURINAug 24, 1995 · N8639F · Hughes 369D · Fuel Control/Turbine EnginesSDR 95ZZZX5540Governor · failedWHILE IN CRUISE FLIGHT, THE PILOT NOTICED A DECREASE IN MAIN ROTOR RPM AND THE NOSE OF THE HELICOPTER NOTICEABLY YAWED. THE PILOT DECREASED COLLECTIVE PITCH, BUT THE ENGINE POWER AND ROTOR RPM CONTINUED TO DECREASE. THE ENGINE DID NOT FAIL COMPLETELY. DURINAug 24, 1995 · N8639F · Hughes 369D · Turbine GovernorSDR 95ZZZX5045Mount · looseLOWER ENGINE MOUNT FOUND LOOSE ON LEFT SIDE AND BOLT HOLE ELONGATED. PART REPLACED. MANUFACTURER'S TORQUE IS 40 INCH/POUNDS AT THIS POINT. THE BOLT IS STAINLESS CLOSE TOLERANCE. THE STRUCTURE IS STAINLESS AND THE MOUNT IS STEEL. THIS SEEMS LIKE A LIGHT TOAug 11, 1995 · N4571V · Hughes 369D · Engine Mount SectionSDR 95ZZZX4273Blade · paint peelBLADE HAD RETURNED FROM REWORK RECENTLY AND SINCE INSTALLATION 90.9 HOURS AGO, 3 SECTIONS ON THE BOTTOM OF THE BLADE HAVE BEEN STRIPPED OF PAINT IN SHEETS ABOUT 75 SQUARE INCHES OF AREA EXPOSED AFFECTING THE LATERAL BALANCE OF THE ROTOR SYSTEM.Aug 9, 1995 · N4571V · Hughes 369D · Main Rotor BladesSDR 95ZZZX4278Control Bracket · cap brokenDURING 100-HOUR INSPECTION, THE BEARING CAP WAS FOUND CRACKED AT THE FORWARD BOLT EAR.Aug 7, 1995 · N3115Y · Hughes 369D · Main Rotor ControlSDR 95ZZZX4279Governor · erraticGOVERNOR IS ERRATIC WITH ANY POWER CHANGE. UNIT REMOVED AND SENT IN FOR REPAIR ON ALLISON 250 REPORT NR A151615.Aug 5, 1995 · N4282X · Hughes 369D · Turbine GovernorSDR 95ZZZX4277Cover Assy · insert looseDURING 100 HOUR INSPECTION, THE LOWER CHIP PLUG WAS LOOSENED FOR REMOVAL WHEN IT WAS DISCOVERED THE INSERT BOSS WAS LOOSE IN THE COVER ASSEMBLY. PART REPLACED AND SENT FOR REPAIR.Aug 5, 1995 · N4282X · Hughes 369D · Turbine Engine Reduction GearSDR 95ZZZX4037Turbine · locked-upN2 LOCKED UP. UNIT SENT IN FOR SAME PROBLEM 356.7 HOURS AGO. REMOVED SN CAT 33968 AND SENT TO BE REPAIRED ON ALLISON REPORT NR A160209.Aug 2, 1995 · N4282X · Hughes 369D · Turbine SectionSDR 95ZZZX4038Pin · brokenON POST-FLIGHT, FOUND M/R BLADE PIN BROKEN AT THE END WHERE THE THREADS STOP. THIS IS THE SAME SERIAL NUMBERED PREFIX OF 2 OTHER BROKEN BLADE PINS IN THE LAST 12 MONTHS.Jul 27, 1995 · N5074R · Hughes 369D · Main Rotor HeadSDR 95ZZZX3922Vent Tube · detachedENGINE DIFFUSER VENT ORIFICE TUBE WOULD NOT STAY IN PLACE. INSPECTION FOUND END OF THE TUBE THAT SLIPS INTO THE VENT BOSS WAS DEFORMED. INSTALLED NEW TUBE.Jul 27, 1995 · N3115Y · Hughes 369D · Turbine Engine Compressor SectionSDR 95ZZZX3921Governor · misriggedDURING RIGGING CHECK, THE GOVERNOR CONTACTED THE UPPER LIMIT STOP BEFORE THE COLLECTIVE REACHED ITS STOP.Jul 27, 1995 · N3115Y · Hughes 369D · Turbine GovernorSDR 95ZZZX4072Bearing Assy · bindingSWASHPLATE UNIBALL BINDING. PILOT FELT STIFFENING OF CONTROL ON LANDING. AFTER ALL CONTROLS WERE CHECKED, SWASHPLATE WAS REMOVED. UNIBALL COULD NOT BE MOVED BY HAND. SWASHPLATE BEARING ASSY WAS REPLACED. AIRCRAFT TEST FLOWN AND RELEASED.Jul 17, 1995 · N8620F · Hughes 369D · Main Rotor Mast/SwashplateSDR 95ZZZX3739Gauge · inoperativeTOT GAUGE - ON NEXT START OF THE AIRCRAFT THERE WAS NO INDICATION OF TOT. GAUGED CHECKED AND WAS FOUND INOPERATIVE. REPLACED GAUGE.Jul 15, 1995 · N4571V · Hughes 369D · Engine EGT/TIT Indicating SystemSDR 95ZZZX3747Nozzle · defectiveAIRCRAFT WOULD DROOP RPM WHEN THE COLLECTIVE WAS LIFTED. REPLACEMENT OF THE FUEL NOZZLE CORRECTED THE PROBLEM. FCU WAS CHANGED AS PRECAUTION.Jul 14, 1995 · N8639F · Hughes 369D · Fuel Injector NozzleSDR 95ZZZX3740Fuel Control · malfunctionedPART WAS RETURNED FROM REPAIR AND INSTALLED ON THE AIRCRAFT ONLY TO HAVE THE SAME SYMPTOMS 1.5 HOURS LATER. COMPONENT HAS A FUEL SCHEDULING PROBLEM AND HAS BEEN SENT IN AGAIN ON ALLISON 250 REPORT NR A160211.Jul 10, 1995 · N5313Y · Hughes 369D · Fuel Control/Turbine EnginesSDR 95ZZZX3870Gauge · defectiveTORQUE GAUGE FLUCTUATED DURING OPERATION 4-5 PSI. BLEEDING THE SYSTEM FAILED TO CORRECT THE PROBLEM. REPLACING THE UNIT DID CORRECT IT.Jul 8, 1995 · N3115Y · Hughes 369D · Main Rotor Indicating SystemSDR 95ZZZX3748Blade Pin · fracturedAT 100-HOUR INSPECTION, THE PIN WAS DISCOVERED BROKEN WHERE THE CLIP LOCKS ON THE SHAFT. SEE MDHC SOR NR 300155.Jul 6, 1995 · N8639F · Hughes 369D · Main Rotor HeadSDR 95ZZZX3868Link · defectiveREMOVED LINK DUE TO STICKY OPERATION. DISCOVERED THE PIVOT BUSHING HAD NOT BEEN PROPERLY SEATED. IT IS IN SOLID, BUT A GAP EXISTS BETWEEN THE LINK AND BUSHING.Jun 28, 1995 · N4571V · Hughes 369D · Main Rotor ControlSDR 95ZZZX3297Housing · wornPILOT REPORTED THE IDLE WAS TOO LOW AT LIGHT OFF AND TOO HIGH AFTER ROLL-DOWN FROM FLIGHT IDLE. AFTER A LENGTHY PROCESS OF POKING, RIGGING, AND PRODDING, DISCOVERED THE SWITCH HOUSING AT THE END OF THE COLLECTIVE WAS WORN AT ITS INTERNAL STOPS. REPLACED UNITJun 15, 1995 · N5074R · Hughes 369D · Power LeverSDR 95ZZZX3334Fuel Control · malfunctionAIRCRAFT HUNG-START AT 30 PERCENT - ALL SUBSEQUENT ADJUSTMENT HAD LITTLE OR NEGATIVE EFFECT ON THE FUEL SCHEDULING. REMOVED AND REPLACED UNIT AND AIRCRAFT STARTS NOW. UNIT SENT IN FOR OVERHAUL.Jun 8, 1995 · N5313Y · Hughes 369D · Fuel Control/Turbine EnginesSDR 95ZZZX3052Starter · defectiveAMMETER FLUCTUATED 150 AMPS FOR FIRST 5 MINUTES OF OPERATION - CHANGED AMMETER.Jun 7, 1995 · N4571V · Hughes 369D · Starter-GeneratorSDR 95ZZZX3051Gauge · sticksTOT GAUGE STICKS AT 450 DEGREES CELSIUS DURING START CYCLE (RAPID TOT INCREASE). PART SENT IN FOR REPAIR.Jun 7, 1995 · N4571V · Hughes 369D · Engine EGT/TIT Indicating SystemSDR 95ZZZX3033Exhaust Pipe · crackedEXHAUST STACK WAS FOUND CRACKED ALONG THE CUSHION FLANGE. UNIT REMOVED AND SENT IN FOR REPAIR.Jun 6, 1995 · N8639F · Hughes 369D · Engine Collector/Tailpipe/NozzleSDR 95ZZZX2932Gyro · defectivePILOT COULD NOT ADJUST THE GYRO WITH THE CAGING KNOB. REMOVED AND REPLACED UNIT AND SENT IN FOR REPAIR.Jun 5, 1995 · N5074R · Hughes 369D · Attitude Gyro and Indicating SystemSDR 95ZZZX2931Bracket · chafedPILOT COMPLAINED ABOUT A T/R VIBRATION. FOUND T/R WHIP DAMPER BRACKET CHAFED BADLY FROM DAMPER ACTION. REPLACED PART.Jun 1, 1995 · N8639F · Hughes 369D · Tail Rotor HeadSDR 95ZZZX2470Bearing · defectiveDURING REPAIR OF M/R TRANSMISSION AFTER THE RING GEAR HAD FAILED, THE TRANSMISSION OUTPUT SHAFT DUPLEX BEARING ASSEMBLY WAS FOUND WITH A 'CLICK' IN IT AS IT ROTATED. BEARING WAS REMOVED AND SENT IN FOR OVERHAUL.May 9, 1995 · N5074R · Hughes 369D · Main Rotor GearboxSDR 95ZZZX2401Transmission · pump defectiveDURING PRE-FLIGHT, PILOT FELT A ROUGH CLUNK IN THE ROTOR SYSTEM. AS THE ROTOR WAS TURNED, SUBSEQUENT INSPECTION FOUND THE GEAR OIL PUMP OF THE MAIN ROTOR TRANSMISSION REQUIRED A VERY HIGH BREAK-AWAY TORQUE TO BEGIN ROTATION AND AFTER THAT, IT WAS RATCHETY. UMay 3, 1995 · N4571V · Hughes 369D · Main Rotor GearboxSDR 95ZZZX2934Torque Gauge · fluctuatesTORQUE GAUGE FLUCTUATES IN-FLIGHT. REMOVED AND REPLACED GAUGE, PART SENT IN FOR REPAIR.May 1, 1995 · N4571V · Hughes 369D · Engine BMEP/Torque IndicatingSDR 95ZZZX2369Governor · defectivePILOT COULD NOT MAKE SMOOTH 'BEEP' ADJUSTMENTS. REMOVED AND REPLACED UNIT. FELT A NOTCH IN THE ROTATION OF THE LEVER ARM. UNIT SENT TO BE REPAIRED ON ALLISON 250 REPORT A160119.Apr 30, 1995 · N3115Y · Hughes 369D · Turbine GovernorSDR 95ZZZX2372Gear Leg · looseDURING ANNUAL OF CUSTOMER AIRCRAFT, THE LANDING GEAR KEEL ATTACH FITINGS WERE FOUND LOOSE. PARTS WERE REMOVED AND NEW HARDWARE INSTALLED.Apr 28, 1995 · N5313Y · Hughes 369D · Fuselage, Landing Gear Attach FittingsSDR 95ZZZX2371Gear Leg · looseDURING ANNUAL OF CUSTOMER AIRCRAFT, THE LANDING GEAR KEEL ATTACH FITINGS WERE FOUND LOOSE. PARTS WERE REMOVED AND NEW HARDWARE INSTALLED.Apr 28, 1995 · N5313Y · Hughes 369D · Fuselage, Landing Gear Attach FittingsSDR 95ZZZX2366Ring Gear · defectiveUPON INPSECTION PRIOR TO ASSEMBLY IN A M/R TRANSMISSION, ONE OF THE BOLT HOLES WAS DISCOVERED TO HAVE VOIDS IN THE WALL OF THE HOLE DEEPER AND PERPENDICULAR TO THE THREADS. PART WAS RETURNED TO MANUFACTURER.Apr 27, 1995 · Hughes 369D · Main Rotor GearboxSDR 95ZZZX2368Governor · defective'BEEP' RANGE IS ERRATIC. RPM JUMPS FROM POINT-TO-POINT DURING SMOOTH GOVERNOR TRIM MOTOR ACTUATION. UNIT SENT IN FOR REPAIR ON ALLISON 250 REPORT NR A160118.Apr 25, 1995 · N4571V · Hughes 369D · Turbine Governor
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