Bell UH-1H

Service difficulty reports · 93

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 = 'UH1H'
  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 2020FA0000296Pin · dislodgedPRIMARY CAUSE OF DAMAGE TO ACCESSORY DRIVE, PIN CAME OUT OF SLEEVE BUSHING AND DAMAGED ADJOINING COMPONENTS. ENGINE IS STILL UNDER TEARDOWN AND INSPECTION.Feb 12, 2020 · N812SB · Bell UH1H · Accessory GearboxesSDR 2018FA0000537Support · inflt separationTHE SWASHPLATE SUPPORT FAILED AT 1916 HOURS IN SERVICE, PRIOR TO ITS SCHEDULED RETIREMENT LIFE OF 3600 HOURS, FOR UNKNOWN REASONS. TOTAL TIME TRACKING ERRORS WERE NOTED IN RECORDS. WHILE IN CRUISE FLIGHT AT APPROXIMATELY 500 AGL, THE PILOT AND HIS PASSENGER REJul 24, 2018 · N107CH · Bell UH1H · Main Rotor Mast/SwashplateSDR 2018FA0000193Quill · disconnectedAIRCRAFT EXPERIENCED A LOSS OF TAIL ROTOR CONTROL DURING FLIGHT REQUIRING THE PILOT TO CONDUCT A HOVERING AUTOROTATION THAT DAMAGED THE LANDING GEAR AND BELLY OF THE AIRCRAFT. POST INCIDENT SHOWED TAIL ROTOR CONTROLLABILITY AND CONTINUITY FROM THE PEDDLES TO Jun 20, 2018 · N777S · Bell UH1H · Tail Rotor Control SystemSDR 2018FA0000086Grip · crackedLOWER TANG LEADING EDGE HAS A CRACK EXTENDING THRU GRIP TANG TO BLADE BOLT BUSHING. FOUND DURING PREFLIGHT INSPECTION.Jan 18, 2018 · N72297 · Bell UH1H · Rotorcraft Flight ControlSDR 2017FA0000601Line · rupturedONE REPORT DESCRIBING LOSS OF HYDRAULIC FLUID AND SYS PRESSURE. MECHANICS NOTED A HIGH FREQUENCY VIBRATION IN THE HYDRAULIC SYS SPECIFIC TO TUBE WHICH CAN LEAD TO A RUPTURE NEAR ONE OF THE ATTACHMENT FITTING. 11500 PSI HYDRAULIC SYS MODIFICATION ACCOMPLISHMEJul 25, 2017 · N214KK · Bell UH1H · Hydraulic System, MainSDR 2017FA0000035Bolt · looseDURING INSPECTION, FOUND THE ENGINE COMPRESSOR STATOR VANE RETAINING BOLT HANGING OUT OF IT'S RECESSED MOUNT HOLE. ENGINE BLEED BAND WAS PREVENTING BOLT FROM FALLING OUT. UPON FURTHER INSPECTION IT WAS DETERMINED THAT THE LOCK CUP HAD BEEN PROPERLY STAKED TO Jan 27, 2017 · N407KC · Bell UH1H · Turbine Engine Compressor SectionSDR 2014FA0000320Longeron · crackedDURING HOVER, PILOT HEARD A BANG FROM THE REAR OF THE ACFT. PILOT LANDED BACK AT STAGING AREA. DURING INVESTIGATION, DETERMINED THE TAILBOOM JUST AFT OF THE UPPER LT ATTACHING POINT HAD A CRACK IN THE LONGERON.May 14, 2014 · N1206G · Bell UH1H · Rotorcraft Tail BoomSDR 2012FA0000656Blade · misinstalledDURING A PHASE 1 INSPECTION, TAIL ROTOR BLADE CLEARANCE FROM VERTICAL STABILIZER WAS INSUFFICIENT AS IT HAD BEEN IMPROPERLY SHIMMED AND INSTALLED ON THE 90 DEGREE GEAR BOX.Sep 17, 2012 · N7247J · Bell UH1H · Tail Rotor BladesSDR 2012FA0000655Scissors · misinstalledDURING A PHASE 1 INSPECTION, SCISSOR HAD BEEN IMPROPERLY ASSEMBLED AND INSTALLED ON THE SLEEVE CAUSING DAMAGE TO THE SLEEVE.Sep 17, 2012 · N7247J · Bell UH1H · Main Rotor HeadSDR 2012FA0000654Grip · misinstalledDURING A PHASE 1 INSPECTION, MAIN ROTOR GRIP HAD BEEN IMPROPERLY ASSEMBLED AND INSTALLED ON THE MAIN ROTOR YOKE CAUSING DAMAGE TO THE NEEDLE BEARING AND RACE.Sep 17, 2012 · N7247J · Bell UH1H · Main Rotor HeadSDR 2012FA0000308Cap · brokenCAP BROKEN AT BS 238, LBL 14.Apr 24, 2012 · N72297 · Bell UH1H · Fuselage Structure (General)SDR 2011FA0000657Blade · crackedPILOT NOTED A VERTICAL VIBRATION DURING FLIGHT. UPON VISUAL INSPECTION, IT WAS FOUND THAT MAIN ROTOR BLADE HAD CRACKED 90 INCHES FROM BLADE TIP THROUGH THE T/E TO THE SPAR AND 7" TOWARDS THE BLADE ROOT ALONG THE SPAR, ON UPPER AND LOWER SURFACES OF THE BLADE.Oct 3, 2011 · N45AD · Bell UH1H · Main Rotor BladesSDR 2011FA0000518Pinion Gear · failedGEARBOX WAS O/H AS PART OF AN AIRFRAME REFURBISHMENT PROJECT. THE INPUT QUILL SEAL HAD DEVELOPED AN OIL LEAK AND UPON INVESTIGATION IT WAS FOUND THAT THE INPUT SEAL HAD WORN UNEVEN AND THE MALE COUPLING HAD BECOME UNSERVICEABLE DUE TO A GROOVE WORN BY THE SEAAug 2, 2011 · N45AD · Bell UH1H · Main Rotor GearboxSDR 2007FA0000812Quill Assy · wornQUILL INTERNAL SPLINES WORN AND DAMAGED IN QUILL TUBE CONTACT AREASep 19, 2007 · N3053Q · Bell UH1H · Main Rotor GearboxSDR 2006FA0001017Support Bracket · looseTAIL BOOM ELEVATOR SUPPORT BRACKET LOOSE. (WORKING RIVETS/SITE OF PREVIOUS REPAIR WITH PULL TYPE RIVETS).Oct 20, 2006 · Bell UH1H · Rotorcraft Tail BoomSDR 2006FA0000530Fitting · crackedTAIL BOOM ATTACH FITTING CRACKED UPPER LEFT [TAIL BOOM SIDE]May 18, 2006 · Bell UH1H · Rotorcraft Tail BoomSDR 2006FA0000529Fitting · crackedTAIL BOOM ATTACH FITTING CRACKED UPPER LEFT [TAIL BOOM SIDE]May 18, 2006 · Bell UH1H · Rotorcraft Tail BoomSDR 2006FA0000528Fitting · crackedTAIL BOOM ATTACH FITTING CRACKED UPPER LEFT [TAIL BOOM SIDE]May 18, 2006 · Bell UH1H · Rotorcraft Tail BoomSDR 2006FA0000231Fitting · fracturedAC LANDED FOR SHUTDOWN AFTER OPERATING FOR APPROX 3 FLIGHT HOURS, AC WAS SHAKING DURING SHUTDOWN. DURING POST FLIGHT INSP IT WAS FOUND THAT UPPER LT MOUNT HARD POINT PN 2050318211P ON TAILBOOM (PN 20503280071), WAS FRACTURED, HAD TORN THRU FWD TAILBOOM BLKHD Feb 27, 2006 · N623PB · Bell UH1H · Rotorcraft Tail BoomSDR ASI200501APin · failedDURING 1200 OVERHAUL OUTBOARD FITTING/STRAP PIN P/N 204-012-104-005, S/N DIFS12334 WAS FOUND BROKEN IN HALF. PIN HAD 1085.1 HOURS SINCE NEW. DISCOLORATION AND CONDITION OF BREAK INDICATES THE BREAK WAS NOT RECENT. FITTING DAMAGE BEYOND USE. STRAP ALTHOUGH DUE Jul 15, 2005 · N2767X · Bell UH1H · Main Rotor HeadSDR ASI200501Pin · failedDURING 1200 OVERHAUL OUTBOARD FITTING/STRAP PIN WAS FOUND BROKEN IN HALF. PIN HAD 1085.1 HOURS SINCE NEW. DISCOLORATION AND CONDITION OF BREAK INDICATES THE BREAK WAS NOT RECENT. FITTING DAMAGE BEYOND USE. STRAP ALTHOUGH DUE RETIREMENT HAS NO SIGNIFICANT DAMAGJul 15, 2005 · N2767X · Bell UH1H · Main Rotor HeadSDR 2005FA0000785Drive Shaft · vibration( 2005-5-1) PILOT NOTICED VIBRATION AND RUMBLE COMING FROM THE MAIN TRANSMISSION AREA ON TAKEOFF. MECHANIC DID TROUBLE TROUBLESHOOTING PROCEDURES AND NOTICED ONE OF THE FLEX PLATES ON THE MAIN DRIVE SHAFT HAD SNAPPED CAUSING THE DRIVE SHAFT TO BE IN FAIL SAFEMay 11, 2005 · N53AG · Bell UH1H · Engine/Transmission CouplingSDR 2004FA0000333Strap · crackedAIRCRAFT WAS EXPERIENCING VIBRATIONS DURING FLIGHT, MAINTENANCE WAS UNABLE TO REMOVE THE VIBRATION THROUGH TRACK AND BALANCE PROCEDURES. THE MAIN ROTOR ASSEMBLY WAS REMOVED FOR INSPECTION. DURING THE INSPECTION A TENSION-TORSION STRAP WAS FOUND CRACKED AT BOTHMar 25, 2004 · N667HP · Bell UH1H · Main Rotor HeadSDR AGQA088876Pump · brokenPUMP PRODUCING FLUXUATING OIL PRESSUREAug 12, 2003 · N53AG · Bell UH1H · Engine Oil Distribution (Airframe Furnished)SDR LS12003F00000Skin · crackedTHE TAILBOOM FIRST 2 UPPER SKINS HAD NUMEROUS CRACKS. UNDER NORMAL OPERATIONS THESE CRACKS WOULD NEVER MATERIALIZE. THE AIRCRAFT HAS BEEN DOING LIFTING WORK. MUCH MORE THAN NORMAL OPERATIONS. THIS LOADS AND UNLOADS THE TAILBOOM NUMEROUS TIMES. THE RESULTIJun 6, 2003 · N51AG · Bell UH1H · Rotorcraft Tail BoomSDR CDFROTW1Battery · leakingAT REMOVAL OF ELT BATTERY AT POSTED REMOVAL DATE IT WAS DISCOVERED THE BATTERY PACK HAD LEAKED AND CORRODED COMPONENTS WITHIN THE CASE. THERE WAS ALSO A CRACK NOTED ON THE BATTERY CASE WHICH APPEARS TO BE CAUSED BY OVER HEAT OR OVER PRESSURE. THE ELT IS CHECApr 25, 2003 · N497DF · Bell UH1H · Emergency Locator BeaconSDR AUS20021231Fitting · faulty(AUS) TAILBOOM LH LOWER ATTACHMENT FITTING ON FUSELAGE HAD OVERSIZE HOLES ALLOWING THE HILOK' PINS TO LOOSEN. SUSPECT CAUSED BY POOR REPAIR WORK.Oct 15, 2002 · Bell UH1H · Fuselage Main, Attach FittingsSDR XVI2002F00000Frame · crackedX-RAY INSPECTION REVEALED A CRACK IN THE FRAME FLANGE APPROXIMATELY .1250 INCH LONG CONTAINED BY ADJACENT FASTENER HOLE. THE CRACK IS LOCTED IN THE 3 OCLOCK POSITION, LOOKING FORWARD ON THE FRAME.Apr 11, 2002 · N114DR · Bell UH1H · Rotorcraft Tail BoomSDR LS1R074932Cylinder · wornPART IS WORN EXCESSIVELY.Jul 20, 2001 · N53AG · Bell UH1H · Hydraulic System, MainSDR LS1R074916Battery · weakPART IS WEAK.Jul 20, 2001 · N51AG · Bell UH1H · Battery/Charger SystemSDR LS1R072592Regulator · out of adjREGULATOR UNABLE TO HOLD ADJUSTMENT.Apr 16, 2001 · N53AG · Bell UH1H · AC RegulatorSDR LS1R072590Control Panel · inoperativeLIGHTS WILL NOT COME ON. CONTROL PANEL INOPERATIVE.Apr 16, 2001 · N53AG · Bell UH1H · Flight Compartment LightingSDR LS1R072190Cable Drum · stretchedCABLE DRUM STRETCHED.Apr 10, 2001 · N51AG · Bell UH1H · Flight Control SystemSDR LS1R071917Shaft · wornPART IS WORN EXCESSIVELY.Apr 6, 2001 · N53AG · Bell UH1H · Tail Rotor Drive ShaftSDR LS1R071916Shaft · wornPART IS WORN EXCESSIVELY.Apr 6, 2001 · N53AG · Bell UH1H · Tail Rotor Drive ShaftSDR 20010502CW005Blade · crackedA CRACK WAS NOTICED INSIDE DENT AFT OF THE SPAR ON THE TOP OF THE MAIN ROTOR BLADE. REMOVAL OF PAINT DETERMINED THE CRACK TO BE IN EXCESS OF 6 INCHES LONG. THE ROTOR BLADE WAS DETERMINED TO BE UNSERVICEABLE AND REMOVED FROM SERVICE.Apr 2, 2001 · N340WN · Bell UH1H · Main Rotor BladesSDR 20001017SH029Crosstube · crackedDURING REFUEL, FOUND FORWARD CROSSTUBE AT RIGHT SADDLE CRACKED. POSSIBLE CAUSE, WEAR. (X)Sep 19, 2000 · N6257P · Bell UH1H · Main Landing Gear Strut/Axle/TruckSDR 20001017SH030Angle · crackedFOUND ANGLE CRACKED AT LEFT LOWER TAILBOOM MOUNT. POSSIBLE CAUSE IS STRESS TORQUE OF TAILBOOM TO FUSELAGE. (X)Sep 1, 2000 · N6257P · Bell UH1H · Rotorcraft Tail BoomSDR LS1R066445Bearing · roughBEARING EXTREMELY ROUGH, AND RATCHETY.Feb 29, 2000 · N51AG · Bell UH1H · Tail Rotor Drive Indicating SystemSDR LS1R066421Bearing · damagedBEARING SLINGING GREASE.Feb 23, 2000 · N52AG · Bell UH1H · Tail Rotor GearboxSDR LS1R066420Bearing · damagedBEARING SLINGING GREASE.Feb 23, 2000 · N52AG · Bell UH1H · Tail Rotor GearboxSDR LS1R066419Bearing · damagedBEARING SLINGING GREASE.Feb 23, 2000 · N52AG · Bell UH1H · Tail Rotor GearboxSDR LS1R066011Audio Panel · failedICS BOX DOES NOT TRANSMIT.Feb 17, 2000 · N52AG · Bell UH1H · Entertainment SystemSDR LS1R066010Audio Panel · failedICS BOX DOES NOT TRANSMIT.Feb 17, 2000 · N53AG · Bell UH1H · Entertainment SystemSDR LS1R065962Linear Actuator · inopLINEAR ACTUATOR IS INOPERATIVE.Feb 15, 2000 · N52AG · Bell UH1H · Engine ControlsSDR LS1R065943Volt Regulator · shortedVOLTAGE REGULATOR SHORTED OUT.Feb 11, 2000 · N53AG · Bell UH1H · DC RegulatorSDR LS1R065941Controller · failedINTERPHONE DOES NOT TRANSMIT.Feb 11, 2000 · N53AG · Bell UH1H · Interphone/Passenger Announcement (PA) SystemSDR LS1R065936Volt Regulator · shortedVOLTAGE REGULATOR SHORTED OUT.Feb 11, 2000 · N53AG · Bell UH1H · DC RegulatorSDR AGQA065942Volt Regulator · inoperativeVOLTAGE REGULATOR INOPERABLE. WILL NOT REGULATE.Feb 11, 2000 · N53AG · Bell UH1H · DC RegulatorSDR AGQA065935Volt Regulator · inoperativeVOLTAGE REGULATOR INOPERABLE, WILL NOT REGULATE.Feb 11, 2000 · N53AG · Bell UH1H · DC Regulator
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