Sikorsky S-76B

Service difficulty reports · 99

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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 = 'S76B'
  ORDER BY difficulty_date DESC"

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SDR 2022F00091Spar Cap · crackedDURING COMPLIANCE WITH SIKORSKY SERVICE BULLETIN 76-015, A CRACK WAS DISCOVERED RADIATING AROUND THE UPPER LEFT HORIZONTAL STABILIZER ATTACHMENT FITTING BOLT HOLE. THE CRACK WAS INITIALLY DISCOVERED VISUALLY AND CONFIRMED WITH DYE-PENETRANT INSPECTION. THE CRADec 23, 2021 · N7644S · Skrsky S76B · Vertical Stabilizer Miscellaneous StructureSDR BTEA2020041600000Fire Detector · intermittentDURING PILOT TRAINING WHILE ON AN APPROACH TO LAND, THE #1 ENGINE FIRE WARNING SYSTEM INDICATED A FIRE (LIGHTS AND AURAL) FOR 3-4 SECONDS AND THEN THE INDICATIONS WENT AWAY. APPROXIMATELY 5 SECONDS LATER, THE FIRE INDICATIONS CAME BACK ON. THOUGH THERE WEREN'TApr 14, 2020 · N176BA · Skrsky S76B · Fire DetectionSDR ZS4R20151012001Bolt · wornINPUT LEVER, STOP PIN AND BOLT ARE WORN EXCESSIVELY.Oct 12, 2015 · Skrsky S76B · Rotorcraft Servo SystemSDR CA150507002Oil System · contaminated(CAN) AFTER DEPARTURE, PILOT NOTICED A CHIP LIGHT AND HE ELECTED TO TURN BACK TO THE BASE. AN UNEVENTFUL LANDING WAS PERFORMED. MAINTENANCE FOUND WHAT LOOKS LIKE CARBON DEPOSIT ON CHIP DETECTOR AND FLUSHED AND REFILLED THE OIL.Apr 12, 2015 · Skrsky S76B · Turbine Engine Oil SystemSDR AYPR20150109001Spar · crackedDURING ROUTINE CHAPTER 5, 500 HOUR, ROOT END SPAR BORESCOPE INSPECTION, NOTICED SHADED AREA. CONFIRMED SHADED AREA AS A CRACK THROUGH INDEPENDENT NDT EDDY CURRENT INSPECTION. CRACK ORIGINATES ON THE INSIDE BORE OF THE SPAR, AT THE TE OTBD BLADE BOLT HOLE. NJan 6, 2015 · N139CC · Skrsky S76B · Main Rotor BladesSDR CA141202004Blade · failed(CAN) WHILE IN FLIGHT, CREW FELT A THUMP WITH NO IMMEDIATE ENGINE INDICATION CHANGES. THE CREW NOTICED A SLIGHT T5 RISE WHICH STABILIZED. WHILE REDUCING COLLECTIVE ON APPROACH, THE NR 2 ENGINE LOST POWER AND HAD FLUCTUATING ENGINE INDICATIONS. THE CREW SHUTDONov 5, 2014 · Skrsky S76B · Turbine Engine Compressor SectionSDR 2FLA2014092200154Fire Warning · illuminatedFIRE INDICATOR ILLUMINATED IN FLIGHT WITH CORRESPONDING TONE FOR 1.5 SECONDS THEN WENT OUT. HAPPENED FOUR TIMES. LANDED AT NEAREST AIRPORT WITHOUT INCIDENT.Sep 22, 2014 · N280TR · Skrsky S76B · Fire DetectionSDR CA140630002Oil System · contaminated(CAN) THE OPERATOR INITIALLY REPORTED A CHIP INDICATION AND HIGH OIL TEMPERATURE. TECHS REMOVED THE CHIP DETECTOR AND FOUND MINOR DEBRIS. THEY PERFORMED A GROUND RUN AND RETURNED THE ENGINE TO SERVICE. UPON DEPARTURE THIS MORNING THE CREW EXPERIENCED HIGH OIJun 16, 2014 · Skrsky S76B · Engine Oil Indicating SystemSDR CA140401004Control Unit · malfunctioned(CAN) PILOT REPORTED UNCONTROLLED ACCELERATION AFTER ENGINE START. THE FUEL CONTROL UNIT WAS REPLACED AND THIS CORRECTED ISSUE.Mar 25, 2014 · Skrsky S76B · Fuel Controlling SystemSDR 2015FA0000406Amplifier · intermittentFALSE FIRE WARNING DURING FLIGHT. MOMENTARY NR 2 ENGINE FIRE INDICATION, 1 TIME ON APPROACH, 2 SECOND DURATION.Oct 27, 2013 · N280TR · Skrsky S76B · Fire DetectionSDR BTEA201306020001Symbol Generator · loosePILOT SIDE EFIS DISPLAY WENT BLACK WITH A RED X ACROSS BOTH DISPLAYS. FAULT FOUND WAS THE MOUNTING RACK LOCKING SCREWS WERE OUT OF ADJUSTMENT, ALLOWING THE SYMBOL GENERATOR TO BE LOOSE IN THE RACK AND THE PINS TO GET COATED WITH A DUST, THUS LOOSING CONTACT. CMay 11, 2013 · N176BA · Skrsky S76B · Flight Environment DataSDR BTEA20121220001Fuel Tank · leakingLEFT FUEL TANK WAS SEEPING FUEL, IT WAS NOTICED WHILE SETTING IN THE HANGAR. DEFUELED AIRCRAFT, RESEALED FASTENER AT AFT SEAM OF TANK, STA 215.Dec 20, 2012 · N176BA · Skrsky S76B · Fuel StorageSDR BTEA2012FA0000554Starter Gen · failedWHEN THE AIR CONDITIONER WAS TURNED ON, THERE WAS A "POPPING" SOUND IN THE INTERCOMM SYSTEM IN CREW HELMETS. THIS WAS ACCOMPANIED BY AN "AUX BATTERY" LIGHT. INSPECTION OF NR 2 STARTER GEN SHOWED SIGNIFCANT WEAR OF BRUSHES AND AN UNUSUAL WEAR PATTERN ON THE CAug 10, 2012 · N176BA · Skrsky S76B · Starter-GeneratorSDR CA120423008Engine · power loss(CAN) UPON LIFT OFF FROM AN OIL RIG, THE ACFT IS REPORTED TO HAVE LOST POWER. THE EMERGENCY FLOATS WERE DEPLOYED BEFORE THE ACFT WAS DITCHED IN THE WATER. NO ONE ON BOARD WAS INJURED.Apr 17, 2012 · Skrsky S76B · Engine (Turbine/Turboprop)SDR LX5R2011072000001Hydraulic Line · rupturedWHILE IN CRUISE FLIGHT, THE CREW NOTICED THE "NR2 SERVO SYSTEM" CAUTION LIGHT. THEY THEN NOTICED THE NR2 HYD PRESSURE GAGE WAS GOING TO ZERO PRESSURE. THEY PROCEEDED WITH THE EMERGENCY CHECK LIST AS REQUIRED. THEY THEN PROCEEDED TO AN ALTERNATE AIRPORT, THEYJul 20, 2011 · N751LL · Skrsky S76B · Hydraulic System, MainSDR 2010FA0000480Fitting · brokenAT TAKEOFF, HELICOPTER EXPERIENCED A NR 2 HYD SYS CAUTION LIGHT ILLUMINATION AND THE NR 2 HYD PRESSURE GAUGE NEEDLE INDICATED ZERO PRESSURE. THE HELICOPTER LANDED WITHOUT INCIDENT ON THE NR 1 HYD SYS. UPON INSPECTION, THE FWD MAIN ROTOR SERVO HYD PRESSURE PORTMay 14, 2010 · N5NJ · Skrsky S76B · Hydraulic System, MainSDR AMCR200904Relay · failedFREON AIR CONDITIONING SYS WOULD WORK FOR ABOUT 6 SECONDS THEN SHUTOFF. FOUND K1 RELAY WOULD OPERATE BUT NO PWR WOULD PASS THROUGH CONTACTOR. FOUND CONTACTOR PLATE AND PLUNGER STEM AND COMPONENTS BURNED AND MELTED. THIS PREVENTED THE PLUNGER FROM PULLING THAug 19, 2009 · N520AC · Skrsky S76B · Cabin Cooling SystemSDR 2008FA0000620Socket · misinstalledCREW COULD NOT TRANSMIT ON AN FM FREQUENCY THROUGH NR 1 AUDIO CONTROL BOX. MAINT FOUND CONNECTOR PIN SOCKET INSTALLED BACKWARD. THE PART FOR THE WIRE WAS INSTALLED TOWARD THE PIN SIDE, AND THE PIN SIDE HAD THE WIRE CRIMPED INTO IT. THE SOCKET IS SYMMETRICAL. USep 15, 2008 · N520AC · Skrsky S76B · Communications System WiringSDR DHL2008F00019Resistor · burnedAIR CONDITIONING SYSTEM WOULD RUN FOR ABOUT 10 SECONDS THEN QUIT. FOUND THE SPRING RESISTOR BURNED OFF OF THE K-1 RELAY WHICH IS MOUNTED ON THE COMPRESSOR PALLET. SUSPECT THE SPRING RESISTOR EXPERIENCED FATIGUE CRACKING WHERE IT ATTACHES TO THE RELAY TERMINAJul 16, 2008 · N520AC · Skrsky S76B · Air Conditioning System WiringSDR 2008FA0000355Actuator · malfunctionedPILOT HSI SPINS WILDLY TO THE RIGHT AND DISPLAYS A HEADING FLAG. PILOT`S FLIGHT DIRECTOR MAINTAINS HEADING AND ALTITUDE FOR APPROXIMATELY 30 SECONDS THEN LOSES ALL INPUT. THE AIRCRAFT THEN TURNS AND DESCENDS AT WILL. WHILE THIS HAPPENS THE LEFT ANTI-TORQUE PEMay 13, 2008 · N150US · Skrsky S76B · Autopilot Main ServoSDR EGRR119590Angle · crackedDURING INSP, TECH FOUND CRACKED TEE ANGLE P/N 76201-23014-138 AFT SECTION. REMOVED TEE ANGLE FOUND THE ENTIRE ANGLE CRACKED AND THE FWD BATHTUB FITTING P/N 76209-03002-119 CRACKED AT THE MOUNT BOLT HOLE. THE FOLLOWING PARTS WERE REPLACED IAW SRM SA 4047-76-12:May 7, 2008 · N176BA · Skrsky S76B · Fuselage Miscellaneous StructureSDR 2562Blade · crackedDURING INDUCTION, INSPECTION INTO A ROTOR BLADE REPAIR FACILITY, MAIN ROTOR BLADE SPAR WAS FOUND CRACKED (INTERNAL ROOT END). CRACK ORIGINATES FROM LEADING EDGE, OB LOWER ATTACHMENT BOLT HOLE. PHENOLIC BLOCK WAS REMOVED AND DYE PENETRANT INSPECTION WAS PERFORMApr 23, 2008 · N19HF · Skrsky S76B · Main Rotor BladesSDR EGRR119440Skin Panel · crackedDURING PRELIMINARY INSP FOUND 6.5 INCH CRACK ON LT SIDE SKIN PANEL AT AC STA 254, WATERLINE 107. THE LT SIDE SKIN PANEL WILL BE REPLACED WITH SERVICEABLE ONE.Apr 14, 2008 · N176BA · Skrsky S76B · Fuselage Main, Plate/SkinSDR U662008F00000Indication Sys · unknownPILOT REPORTED LOSS OF ALTITUDE AND HEADING INDICATIONS ON HIS SIDE (RT SIDE) WITH ASSOCIATED MALFUNCTION OF AUTOPILOT NR 2. FLOATS WERE DEPLOYED AS PRECAUTIONARY MEASURE DUE TO BEING IMC OVER WATER. NOTE: NO DISCREPANCIES HAVE BEEN FOUND YET. TROUBLESHOOTIMar 4, 2008 · N150US · Skrsky S76B · Integrated Flight SystemSDR 2008FA0000237Spar · crackedDURING A ROUTINE INSP A SLIGHT, OCCASIONAL CLICK WAS HEARD WHILE FLEXING TAIL ROTOR BLADE. BLADE ASSY PN 761005501042, SN A245-00153 WAS REMOVED FOR PRECAUTIONARY MEASURES SENT FOR INSPECTION/ EVALUATION. UPON DISASSEMBLY AND INSPECTION SPAR WAS FOUND TO HAVEFeb 21, 2008 · N780P · Skrsky S76B · Tail Rotor BladesSDR CRSCW1R075KSpar · crackedDURING A ROUTINE INSP, A SLIGHT, OCCASIONAL CLICK WAS HEARD WHILE FLEXING TAIL ROTOR BLADE. BLADE ASSY (P/N 76101-05501-042, S/N A245-00153) WAS REMOVED FOR PRECAUTIONARY MEASURES AND SENT FOR INSP/EVALUATION. UPON DISASSEMBLY AND INSP, SPAR WAS FOUND TO HAVE Feb 21, 2008 · N780P · Skrsky S76B · Tail Rotor BladesSDR EGRR118593Angle · crackedDURING 900 HR AIRFRAME INSPECTION WITH HORIZONTAL STABILIZER REMOVED, TECH FOUND AFT SPAR WEB P/N 76201-25002-101 CRACKED NEAR THE TOP LT HORIZONTAL STABILIZER SUPPORT FITTING BOLT HOLE. REMOVED HORIZONTAL SUPPORT FITTING ASSY. AND FOUND THE LT AFT SPAR CAP ANJan 17, 2008 · N401CV · Skrsky S76B · Elevator StructureSDR LX5R200700006Engine · making metalDURING CRUISE, SHORTLY AFTER T/O NR 2 ENG CHIP LIGHT ILLUMINATED. APPROPRIATE CB WAS PULLED TO TRY AND (BURN) OFF FUSS, BUT LIGHT REMAINED ILLUMINATED. IAW FLIGHT MANUAL, CREW LANDED WITHOUT INCIDENT AT NEAREST AIRPORT TO INVESTIGATE CHIP LIGHT. FLIGHT CONDITSep 13, 2007 · N761LL · Skrsky S76B · Engine (Turbine/Turboprop)SDR LX5R200700005Breather Tube · disconnectedDURING CRUISE FLIGHT THE BAGGAGE SMOKE WARNING LIGHT CAME ON, THE AIR CONDITIONER BLOWER WAS TURNED OFF AND THIS MADE NO EFFECT ON THE WARNING LIGHT. THE HELICOPTER LANDED IN AN OPEN FIELD AND THE PIC CHECKED BAGAGE COMPARTMENT FOR FIRE. NO FIRE WAS NOTED AND Aug 15, 2007 · N751LL · Skrsky S76B · Air Distribution SystemSDR AMCR200700002Fire Detector · faultyUPON STARTER ENGAGEMENT FOR FIRST ENGINE START (EITHER ENGINE), THE NR 1 ENGINE FIRE ANNUNCIATOR WOULD ILLUMINATE ALONG WITH A FIRE TONE, BUT NO T-HANDLE ILLUMINATION. ILLUMINATION AND TONE WOULD CEASE AROUND 35-45% RPM. ALL FIRE DETECTION TESTS WOULD CHECK OKJun 12, 2007 · N520AC · Skrsky S76B · Fire DetectionSDR CA070803004Oil System · leaking(CAN) ENGINE OIL TEMPERATURE WAS OBSERVED TO INCREASE IN FLIGHT AND THE PILOT ELECTED TO SHUT THE ENGINE DOWN. OIL WAS SUBSEQUENTLY SEEN LEAKING FROM THE ENGINE EXHAUST. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE DETERMINED. (TC NR 20070803Jun 1, 2007 · Skrsky S76B · Turbine Engine Oil SystemSDR 2007FA0000071Tie Bolt · brokenWHILE PERFORMING A ROUTINE INSPECTION OF THE MAIN ROTOR SPINDLES, A SPINDLE TIE BOLT WAS FOUND BROKEN AT THE THREADED END OF THE BOLT WHERE THE NUT ATTACHES. THE NUT WAS FOUND INSIDE THE SPINDLE CUFF WHERE THE ROTOR BLADE IS ATTACHED. A BROKEN SECTION OF THEJan 10, 2007 · N411JW · Skrsky S76B · Main Rotor HeadSDR AMCR200600004Quill · wornDURING A POSTFLIGHT INSPECTION, MECHANIC WIGGLED THE IMPELLER OF THE LT OIL COOLER BLOWER AND NOTICED EXCESSIVE PLAY AND PROCEEDED TO REMOVE THE BLOWER. INVESTIGATION REVEALED THE SPLINE SHAFT TEETH OF BOTH THE BLOWER'S QUILL SHAFT AND THE ACCESSORY DRIVE TO BNov 13, 2006 · N520AC · Skrsky S76B · Engine Oil CoolerSDR EGRR111416Servo · bypassingDURING 2250 HR SERVO INTERNAL LEAKAGE TEST FOUND NR 1 SIDE LEAKAGE RATE AT 1200CC PER MINUTE.Oct 9, 2006 · N8NJ · Skrsky S76B · Main Rotor ControlSDR EGRR111415Servo · bypassingDURING 2250 HR SERVO INTERNAL LEAKAGE TEST FOUND NR 2 SIDE LEAKAGE RATE AT 1050CC IAW MINUTE.Oct 9, 2006 · N1NJ · Skrsky S76B · Main Rotor ControlSDR 2006FA0000540Fire Detector · false activationENROUTE, WHEN NR 1 ENG FIRE WARNING SYS WAS ACTIVATED. PILOT REPORTED WARNING LIGHTS, HORN AND T-HANDLES ILLUMINATED WITH FIRE WARNING INDICATION. WARNING STAYED ON FOR 30 SECONDS, WENT OUT. AFTER SHORT PERIORD OF TIME, WARNING CAME BACK. PILOT DECLARED EMMay 8, 2006 · N176BA · Skrsky S76B · Fire DetectionSDR 2006FA0000539Breather Tube · deterioratedENROUTE TO A PICK UP A PATIENT. WITHIN 4 MINUTES OF TAKEOFF, MEDICAL CREW REPORTED, SMELLED SMOKE IN CABIN, BECOMING VISIBLE ALSO. PILOT NOTICED IT ABOUT SAME TIME. PILOT RETURNED WITHOUT DELAY, APPROX 30 SECONDS BEFORE TOUCHDOWN, BAGGAGE COMPARTMENT SMOKE May 7, 2006 · N176BA · Skrsky S76B · Accessory GearboxesSDR N382006F00000Spar · crackedMAINTENANCE WAS INVESTIGATING THE STABILIZER WORKING LOOSE IN LESS THAN 10 HOURS SINCE LAST MAKING ADJUSTMENTS. THERE WAS A CONCERN ABOUT A SNAPPING NOISE DURING VERTICAL SHAKING OF THE AIRFOIL AT THE OB POSITIONS. THIS LED MAINTENANCE TO REMOVE THE ASSEMBLYApr 26, 2006 · N305SJ · Skrsky S76B · Horizontal Stabilizer, Spar/RibSDR AMCR200500007Attach Fitting · brokenAFTER LANDING, CREW FOUND RT MAIN GEAR DOOR RESTING ON LANDING GEAR. FOUND DOOR ATTACH BRACKET BROKEN.Aug 29, 2005 · N520AC · Skrsky S76B · Fuselage, Door HingeSDR EGRR100526Control Tube · chafedDURING A/C INSPECTION FOUND COLLECTIVE CONTROL TUBE IN CABIN VERTICAL TUNNEL CHAFFING ON FWD WALL AND RIVET TAILS SECURING TYE WRAP TIEDOWN STRIP, BEYOND ALLOWABLE LIMITS. (.013May 4, 2005 · N98AE · Skrsky S76B · Main Rotor ControlSDR 2005FA0000604Line · chafedFUEL LINE FROM FUEL CONTROL TO FUEL FLOW TRANSMITTER CHAFED APPROCIMATELY 30 PERCENT THROUGH THE WALL THICKNESS AT THE POINT WHERE IT PASSES THROUGH FRONT FIRE SHIELD. POOR CLAMPING ARRANGEMENT AND PASS THROUGH HOLE DESIGN IN FIRE SHIELD ARE CAUSE OF CHAF ANDApr 1, 2005 · N780P · Skrsky S76B · Engine Fuel Indicating SystemSDR CA050213004Tube · worn(CAN) PRIOR TO TAKEOFF, ENGINE POWER REDUCED ACCOMPANIED BY AN INCREASE IN FUEL FLOW. THE TAKEOFF WAS ABORTED. SUBSEQUENT INSPECTION REVEALED A DISLODGED FUEL MANIFOLD TUBE WITH A WORN RETAINING PLATE COLLAR.Feb 5, 2005 · Skrsky S76B · Aircraft Fuel Distribution SystemSDR LX52004F00000Indicator · inoperativeTHE NR 2 HYDRAULIC SYS RETURN FILTER BYPASS INDICATOR WAS FOUND EXTENDED (POPPED) ON PREFLIGHT CHECK. WHEN WE REMOVED THE FILTER TO CHANGE IT, A SMALL PIN WAS FOUND IN THE FILTER BOWL. UPON FURTHER INVESTIGATION, A HOLE WAS FOUND ON THE SIDE OF THE BYPASS INMay 6, 2004 · N761LL · Skrsky S76B · Hydraulic Indicating SystemSDR EGR2004F00000Compressor · crackedCOMPRESSOR PULLEY SHAFT CRACK AT WOODRUFF KEY.Feb 5, 2003 · N549G · Skrsky S76B · Turbine Engine Compressor SectionSDR EGR2003F00000Fitting · crackedFOUND SUPPORT FITTING CRACKED AT RT UPPER STABILIZER ATTACH POINT FLANGE. REPLACED SUPPORT FITTING WITH NEW PART.Jan 3, 2003 · N181RX · Skrsky S76B · Empennage StructureSDR 12262002Windshield · crackedPILOTS WINDSHIELD CRACKED IN FLIGHT WITH THE WINDSHIELD HEAT "ON". WHEN THE CRACK OCCURED, THERE WERE SPARKS COMING FROM THAT AREA. ALSO, THERE WERE TWO AREAS APPROXIMATELY 3 INCH IN LENGTH THAT HAD MELTED PLASTIC EXTRUDED OUT OF THE CRACK. THE INNER LAYER OF Dec 26, 2002 · N176BA · Skrsky S76B · Window/Windshield SystemSDR JK12002F00000Cylinder · crackedUPON ROUTINE RESEALING OF THE STRUT, A SMALL CRACK WAS FOUND ON LOWER END OF THE SHOCK STRUT CYLINDER. THIS HELICOPTER IS USED FOR CORPORATE TRANSPORTATION AND ENTERED INTO SERVICE ON DEC. 1990, CURRENTLY HAS 12,110 LANDINGS. THERE HAVE BEEN NO HARD OR OVERWAug 6, 2002 · N212C · Skrsky S76B · Main Landing Gear Strut/Axle/TruckSDR CW12002F00001Cable · brokenUPON CLOSING THE LEFT TOP ENGINE COWLING, WHEN THE CABLE WAS ACTUATED TO CLOSE THE COWLING THE END ENGAGING PIN BROKE. THE COWLING WAS NOT SECURED PROPERLY. THE COWLING CABLE BROKE AT THE THREADED END WHERE THE ENGAGEMENT PIN SCREWS ON.Apr 1, 2002 · N780P · Skrsky S76B · Nacelle/Pylon StructureSDR AUS20020359Blade · contaminated(AUS) TAIL ROTOR BLADE HONEYCOMB CONTAMINATED WITH WATER.Mar 16, 2002 · Skrsky S76B · Tail Rotor BladesSDR 20001218SH012Fire Detector · malfunctionedAN ERRONEOUS NR 1 ENGINE FIRE INDICATION (FIRE LIGHT) CAME ON IN-FLIGHT WITH NO OTHER SUPPORTING INDICATIONS OF A FIRE. REPLACED NR 1 FORWARD ENGINE FLAME DETECTOR WITH A NEW SERVICEABLE PART AS DETERMINED BY TROUBLESHOOTING OF FIRE DETECTION SYSTEM. CHECKEDDec 4, 2000 · N22CP · Skrsky S76B · Fire Detection
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