# Service difficulty reports: Sikorsky S-76 A list on [Sikorsky S-76](https://openairdocs.org/model/sikorsky-s-76.md). Newest first. General aviation reporting is voluntary. Page 1 of 4 · 185 reports - [SDR CA140822012](https://openairdocs.org/sdr/CA140822012.md): Gearbox · making metal · Aug 21, 2014 · Skrsky S76 · Main Rotor Gearbox > (CAN) MGB, WAS RECEIVED INTO THE SHOP DUE FOR METAL CONTAMINATION. FOUND DULL DARK METAL CHIPS. REPORTS ALSO INCLUDE DESCRIPTION OF SMALL FLAKES FOUND. - [SDR CA140717010](https://openairdocs.org/sdr/CA140717010.md): Housing · cracked · Jul 16, 2014 · Skrsky S76 · Main Rotor Gearbox > (CAN) MAIN GEAR BOX LOWER HOUSING CRACKING. HOUSING SENT TO ENGINEERING FOR EVALUATION. - [SDR CA140130017](https://openairdocs.org/sdr/CA140130017.md): Housing · cracked · Jan 29, 2014 · Skrsky S76 · Main Rotor Gearbox > (CAN) CARRIED OUT AN NDT INSPECTION ON THREE SEPARATE MAIN GEAR BOX LOWER HOUSINGS, ALL THREE LOWER HOUSINGS WERE FOUND TO HAVE CRACKS IN SIMILAR LOCATIONS. CRACKS APPEAR TO ORIGINATE IN PRODUCTION RELIEF AREA ADJACENT TO STUD INSERT. BASED ON THE INSPECTORS - [SDR 2013FA0000669](https://openairdocs.org/sdr/2013FA0000669.md): Bearing · wrong part · Nov 12, 2013 · N764MH · Skrsky S76 · Standard Practices/Structures > BEARING OUTER RACE FOUND TO BE 0.004 UNDERSIZED. - [SDR CA091214007](https://openairdocs.org/sdr/CA091214007.md): Housing · flaking · Dec 10, 2009 · Skrsky S76 · Main Rotor Gearbox > (CAN) FOLLOWING WASH OF ENTIRE UPPER HOUSING, WATER WASH OF OIL PASSAGES AND ADHESION TEST, IT WAS NOTED THAT THE PROTECTIVE COATING WAS FLAKING IN ONE AREA OF INTERNAL SURFACE EXPOSING MAGNESIUM SURFACE. RETURN TO VENDOR. DIRECTOR OF QUALITY FOR HSI CONTACT - [SDR CA090812003](https://openairdocs.org/sdr/CA090812003.md): Gearbox · peeling · Aug 7, 2009 · Skrsky S76 · Main Rotor Gearbox > FOLLOWING CLEANING AND AIR PRESSURE DRYING OF UPPER HSG THE TECH NOTICED THAT THE PROTECTIVE COATING STARTING TO PEEL AWAY AT 4 AREAS INTERNALLY AT TOP PORTION OF HSG. THIS WAS VIEWED BY HSI DURING THEIR AUDIT VISIT. COMPANY SQID REPORT NR IS 09-06199. - [SDR CA090522002](https://openairdocs.org/sdr/CA090522002.md): Tripod · cracked · May 20, 2009 · Skrsky S76 · Engine Mount Section > (CAN) WELD ON LEG OF ENGINE MOUNT CRACKED (SHORT LEG) - [SDR CA090521003](https://openairdocs.org/sdr/CA090521003.md): Tripod · cracked · May 1, 2009 · Skrsky S76 · Engine Mount Section > (CAN) WELD ON LEG OF ENGINE MOUNT CRACKED. - [SDR CA081128004](https://openairdocs.org/sdr/CA081128004.md): Bearing · damaged · Nov 27, 2008 · Skrsky S76 · Main Rotor Gearbox > (CAN) MGB CHIP LIGHT INDICATIONS MGB P/N:76351-09600-044 S/N:A231-00299 REC`D AT HELI-ONE FOR REPAIR. TSN:2037:48 HRS. FOLLOWING DISASSY AND INSP OF MGB THE RT OUTPUT ALIGNMENT BRG WAS FOUND TO BE THE CAUSE FOR THE METAL GENERATION WITH HEAVY SPALLING AT ROLLE - [SDR CA081128003](https://openairdocs.org/sdr/CA081128003.md): Gearbox · failed · Nov 27, 2008 · Skrsky S76 · Main Rotor Gearbox > (CAN) MGB CHIP LIGHT INDICATION MGB PN:76351-09600-044,SN:A231-00107 REC`D AT HELI-ONE FOR REPAIR. TSN:8638:39 TSO:2516:54 FOLLOWING DISASSEMBLY AND INSPECTION OF MGB, RT OUTPUT ALIGNMENT BRG WAS IDENTIFIED AS THE CAUSE FOR METAL GENERATION WITH HEAVY SPALLING - [SDR CA081127004](https://openairdocs.org/sdr/CA081127004.md): Cone · damaged · Sep 11, 2008 · Skrsky S76 · Main Rotor Mast/Swashplate > (CAN) INSPECTION OF CAGE SHAKE ON TAPERED ROLLER BRGS PN: SB3354-102 WAS DIMENSIONALLY INSPECTED IAW (SA4047-76-7-8 CHANGE 9, 31/MARCH/2006 IAW PARA. 2-52A) AND DETERMINED TO EXCEED AVERAGE MAXIMUM ALLOWABLE CAGE SHAKE LIMITS (.017 INCH) PRIOR TO INSTALLATION - [SDR CA081127007](https://openairdocs.org/sdr/CA081127007.md): Shaft · corroded · Jul 8, 2008 · Skrsky S76 · Main Rotor Gearbox > (CAN) MGB PN:76351-09600-044 SN:A231-00044 IN FOR OVERHAUL. FOLLOWING CLEANING AND INSP OF NEW SPLINE SHAFT, CORROSION WAS FOUND AT INNER AND OUTER SPLINES. ALL REMAINING SPLINES SHAFTS (QTY:6) PULLED FROM STOCK AND INSPECTED, NO EVIDENCE OF CORROSION FOUND. - [SDR CA081127008](https://openairdocs.org/sdr/CA081127008.md): Pinion Gear · corroded · Jun 20, 2008 · Skrsky S76 · Main Rotor Gearbox > (CAN) CORROSION PITTING FOUND ON BORE ID OF (2) HELICAL PINIONS HSI (P.A.P) MGB PN:76351-09500-044 SN:A081-00196 REC`D FOR O/H. PRIOR TO ASSY INSP OF NEW CUSTOMER SUPPLIED HELICAL PINIONS (X2), REVEALED CORROSION PITTING IN BORE ID OF BOTH PINIONS AT AREA OF - [SDR CA081127009](https://openairdocs.org/sdr/CA081127009.md): Shaft · corroded · Jun 11, 2008 · Skrsky S76 · Main Rotor Gearbox > (CAN) CORROSION FOUND ON NEW QUILL SHAFT MAIN GEARBOX O/H PN:76351-09500-044, SN:A081-00110 FOLLOWING CLEANING AND INSPECTION OF NEW QUILL SHAFT (P/N,S/N LISTED BELOW), MULTIPLE CORROSION PITTING CLUSTERS FOUND ON INTERNAL SPLINES AND ID OF PART. - [SDR MV1R200808061](https://openairdocs.org/sdr/MV1R200808061.md): Shaft · cracked · Apr 2, 2008 · N38 · Skrsky S76 · Turbine Engine Reduction Gear > OIL LEAK FROM OUTPUT SHAFT NR 1 ENGINE. INSPECTED AREA NO DEFECTS FOUND AT THAT TIME. REPLACED SHAFT SEAL. GROUND OPS AND LEAK CHECK GOOD. AFTER FLIGHT OIL LEAK RETURNED. ON GROUND RUN NO LEAK UNTIL ROTOR WAS RELEASED. OIL LEAK WAS AT OUTPUT SHAFT. FOUND PTO O - [SDR ALG2005F00120](https://openairdocs.org/sdr/ALG2005F00120.md): Engine · failed · Nov 7, 2005 · N705AL · Skrsky S76 · Engine (Turbine/Turboprop) > ON PRELANDING CHECK, ENGINE OIL PRESSURE DECREASED AND OIL TEMPERATURE INCREASED ABOVE THE RED LINE. ON LONG FINAL TO THE BASE, SHUTDOWN NR 1 ENGINE. AFTER LANDING, NOTIFIED MAINTENANCE. (K) - [SDR ALG2005F00074](https://openairdocs.org/sdr/ALG2005F00074.md): Shaft · sheared · Sep 8, 2005 · N702AL · Skrsky S76 · Starter-Generator > DURING CRUISE FLIGHT, GENERATOR CAUTION ILLUMINATED AND WOULD NOT RESET. LANDED ON EI-120 AND NOTIFIED MAINTENANCE. STARTED/GENERATOR SHAFT FOUND SHEARED. REMOVED AND REPLACED STARTER/GENERATOR WITH SERVICEABLE UNIT IAW MM. (K) - [SDR ALG2005F00039](https://openairdocs.org/sdr/ALG2005F00039.md): Connector · faulty · Jul 16, 2005 · N701AL · Skrsky S76 · Fire Protection System Wiring > ON PRE START, NR 1 ENGINE FIRE TEE HANDLE LIGHTS WOULD NOT TEST IN FORWARD POSITION. THE MECHANIC REMOVED AND REPLACED THE FAULTY CONNECTOR AND THE AIRCRAFT WAS RETURNED TO SERVICE AFTER OPERATIONAL CHECK OF THE SYSTEM. (K) - [SDR ALG2005F00044](https://openairdocs.org/sdr/ALG2005F00044.md): Amplifier · malfunctioned · Jul 11, 2005 · N702AL · Skrsky S76 · Fire Detection > PRIOR TO TAKEOFF THE PILOT NOTICED NR 1 ENGINE FIRE LIGHT AND TONE ACTIVATED. AFTER SHUTDOWN, PASSENGERS WERE EVACUATED AND THE PILOT AND COPILOT VISUALLY CHECKED ENGINE COMPARTMENTS, NO SIGN OF FIRE WAS DETECTED. MAINTENANCE WAS NOTIFIED. TROUBLESHOOTING R - [SDR ALG2005F00037](https://openairdocs.org/sdr/ALG2005F00037.md): Battery · inoperative · Jul 1, 2005 · N705AL · Skrsky S76 · Battery/Charger System > DURING FLIGHT, THE BATTERY HOT LIGHT CAME ON, THEN THE BTTERY OFF LIGHT CAME ON. THE PILOT FOLLOWED THE EMERGENCY CHECK LIST AND LANDED. THE MECHANIC REMOVED AND REPLACED THE BATTERY, OPS CHECKED PERFORMED AND THE AC WAS RETURNED TO SERVICE. (K) - [SDR EGRA2005212](https://openairdocs.org/sdr/EGRA2005212.md): Actuator · frozen · Jan 22, 2005 · N764MH · Skrsky S76 · Main Rotor Control > AIRCRAFT WAS LIFTED TO HOVER PRIOR TO FLIGHT. CONTROL INPUTS SEEMED SLUGGISH AS IF AFCS WAS OFF. AIRCRAFT WAS IMMEDIATELY LANDED, AFCS SYSTEM WAS CONFIRMED ON. FUNCTION CHECK PERFORMED AND ALL AFCS CHANNELS NOTED TO BE EITHER SLUGGISH OR INOP. HEAT WAS AP - [SDR ALG2005F00011](https://openairdocs.org/sdr/ALG2005F00011.md): Wire · broken · Jan 5, 2005 · N707AL · Skrsky S76 · Landing Gear System Wiring > DURING LANDING PHASE TO MC506 (OCEAN VICTORY) THE LANDING GEAR WOULD NOT EXTEND. NOTICED THE CIRCUIT WAS OUT. TRIED TO RESET IT BUT WOULD NOT STAY IN. DIVERTED AIRCRAFT FOR MAINTENANCE. MAINTENANCE FOUND WIRE BROKEN AT PIN R (CONNECTOR PLUG P105) REPAIRED - [SDR RG82005F00000](https://openairdocs.org/sdr/RG82005F00000.md): Fastener · loose · Nov 7, 2004 · N370GS · Skrsky S76 · Fasteners > AFTER LANDING, PILOT PERFORMING POST-FLIGHT CHECK NOTICED LARGE AMOUNT OF OIL ON GROUND. UPON FURTHER INSPECTION IT WAS DISCOVERED THAT A FASTENER, PN 9550158060 ON LT SIDE OF OIL COOLER DUCTING PANEL PN 0401272790 HAD COME LOOSE AND WORN A HOLE ON THE IB SID - [SDR ALG2004F00056](https://openairdocs.org/sdr/ALG2004F00056.md): Amplifier · inoperative · Oct 9, 2004 · N705AL · Skrsky S76 · Engine Controls > IN CRUISE FLIGHT, BOTH ENGINES STARTED SURGING, EMERGENCY CHECK LIST COMPLIED WITH AND RUN ON LANDING. MAINTENANCE COMPLIED WITH VISUAL INSP OF BOTH ENGINES AND N1 AND N2 CONTROL SYSTEMS, COMPLIED WITH GROUND RUN CHECK AND AFTER ABOUT FIVE MINUTES EXPERIENCED - [SDR ALG2004F00061](https://openairdocs.org/sdr/ALG2004F00061.md): Amplifier · inoperative · Sep 16, 2004 · N702AL · Skrsky S76 · Fire Detection > ON TAKE OFF, IN FLIGHT THE NR 1 FIRE WARNING LIGHTS AND TONE CAME ON, HAD NO OTHER INDICATION OF FIRE. MAINTENANCE REMOVED CONTROL AMPLIFIER AND INSTALLED SERVICEABLE AMPLIFIER, OPS CHECK WAS GOOD. - [SDR ALG2004F00054](https://openairdocs.org/sdr/ALG2004F00054.md): Amplifier · unserviceable · Sep 16, 2004 · N702AL · Skrsky S76 · Fire Detection > ON TAKE OFF, IN FLIGHT, THE NR 1 FIRE WARNING LIGHTS AND TONE CAME ON, HAD NO OTHER INDICATION OF FIRE. MAINTENANCE REMOVED CONTROL AMPLIFIER AND INSTALLED SERVICEABLE AMPLIFIER, OPS CHECK WAS GOOD. - [SDR 2004F00357](https://openairdocs.org/sdr/2004F00357.md): Fitting · broken · Aug 4, 2004 · N705AL · Skrsky S76 · Fuselage, Landing Gear Attach Fittings > ON DEPARTURE HEARD LOUD BANG AS LANDING GEAR WAS RETRACTED. THE NOSE GEAR WOULD NOT LOCK IN THE UP POSITION, RETURNED TO HMA AND MAINTENANCE FOUND THE DOOR STRUT FITTING BROKEN. MAINTENANCE CONFIRMED THAT LANDING GEAR WAS DOWNED AND LOCKED AND FOUND FITTING - [SDR ERAA096636](https://openairdocs.org/sdr/ERAA096636.md): Elt · defective · May 15, 2004 · N574EH · Skrsky S76 · Emergency Locator Beacon > ELT DEFECTIVE INERTIA, G SWITCH TOO SENSITIVE. SENT TO ARTEX FOR REPAIR. FOUND ELT MOUNTED AT 45 DEGREES, SHOULD BE HORIZONTAL. TESTED IAW ARTEX PROCEDURES, REINSTALLED BATTERY PACK. - [SDR ALG2004F00014](https://openairdocs.org/sdr/ALG2004F00014.md): Amplifier · inoperative · Mar 5, 2004 · N702AL · Skrsky S76 · Smoke Detection > THE BAGGAGE SMOKE DETECTOR CAUTION LIGHT CAME ON 3 TIMES OVER A TWO MINUTE PERIOD. THERE WAS NO OTHER INDICATION OF FIRE OR SMOKE, WITH THE LIGHT OUT WE LANDED. MAINTENANCE REPLACED SMOKE DETECTOR CONTROL AMPLIFIER AND REPLACED CONNECTOR AT THE SMOKE DETECTO - [SDR ALG2003F00105](https://openairdocs.org/sdr/ALG2003F00105.md): Chip Detector · contaminated · Nov 30, 2003 · N707AL · Skrsky S76 · Turbine Engine Oil System > AT A HOVER READY FOR TAKEOFF, NUMBER ONE ENGINE CHIP LIGHT ILLUMATED AT A HOVER. HAD LANDED AT GALLIANO TO REFUEL. MAINTENANCE FOUND ONE SLIVER ON AFT CHIP PLUG. CLEANED PLUG AND COMPLIED WITH 30 MINUTE RUN AND LEAK CHECK. OPS CHECK GOOD. - [SDR ERAA092660](https://openairdocs.org/sdr/ERAA092660.md): Tip Cap · cracked · Oct 9, 2003 · N574EH · Skrsky S76 · Main Rotor Blades > LEADING EDGE CRACKED AWAY FROM FIBERGLASS. SENT TO CTI. INSPECTED IAW SA4047-76-5 REV 11; REPLACED ABRASION STRIP IAW RS-005N-III. REPAIRED SKIN AT LEADING EDGE AND DOUBLER JUNCTION IAW RS-005N-X111. REPLACED BOTH FORWARD INTERNAL DOUBLERS AND REB ON D C CH - [SDR ALG2003F00084](https://openairdocs.org/sdr/ALG2003F00084.md): Odor · detected · Aug 27, 2003 · N703AL · Skrsky S76 · Air Distribution System > ON TAKE OFF. JUST AS AIRCRAFT CLEARED HELIPORT DEPARTING EI333; DETECTED ODOR SIMILAR TO OVERHEATED BRAKE OIL OR CLUTCH MATERIAL. HAD NO CAUTION, WARNING OR ADVISORY LIGHTS OR INOP EQUIP, CONTINUED 12 MINUTE FLIGHT TO EI 365. ODOR LINGERED AND BECAME ACRID, - [SDR ALG2003F00096](https://openairdocs.org/sdr/ALG2003F00096.md): Warning Light · false indication · Jun 26, 2003 · N703AL · Skrsky S76 · Instrument Panel > PRIOR TO TAKE OFF, DURING THE FLOAT SYSTEM TEST, WHEN THE TEST SWITCH WAS PLACED IN THE TEST POSITION ALL CAUTION LIGHTS ILLUMINATED. (SAME AS PRESSING CAUTION PANEL TEST SWITCH). THE PILOT ALERTED MAINTENANCE, THE MECHANIC REMOVED AND REPLACED THE CAUTION P - [SDR ERAA087101](https://openairdocs.org/sdr/ERAA087101.md): Blade · cracked · May 20, 2003 · N574EH · Skrsky S76 · Tail Rotor Blades > SPAR HAS A FIBERGLASS SPLINTER STICKING OUT AND LEADING EDGE STRIP IS CRADKED ON ONE BLADE. AREA OF SPLINTER UT INSPECTED PER 2ATI 3098, NO DELAMINATION FOUND SPLINTER REMOVED AND REPAIRED BY CTI. - [SDR CA030416005](https://openairdocs.org/sdr/CA030416005.md): Seal · leaking · Apr 16, 2003 · Skrsky S76 · Tail Rotor Gearbox > (CAN) NEW SEALS HAVE BEEN FOUND TO BE LEAKING FROM NEW. THESE ARE A NEW P/N RELEASED BY SIKORSKY AND SEVERAL CUSTOMER COMPLAINTS HAVE BEEN RECEIVED. NEW SEALS FOUND IN THE MAIN GEARBOX HAVE ALSO LEAKED UPON TEST OR SUBSEQUENT FIELD USE. - [SDR ALG2003F218A](https://openairdocs.org/sdr/ALG2003F218A.md): Plug · debonded · Jan 15, 2003 · N702AL · Skrsky S76 · Tail Rotor Blades > DISCOVERED DURING ROUTINE MAINTENANCE INSPECTION. SPAR ELLIPTICAL PLUG 100 PERCENT DEBONDED. NEW PLUG INSTALLED AT MFG O AND R 12-26-00 AT COMPONENT TOTAL TIME 11978.5. - [SDR ALG2003F00016](https://openairdocs.org/sdr/ALG2003F00016.md): Bulb · failed · Nov 18, 2002 · N705AL · Skrsky S76 · Smoke Detection > DURING PREFLIGHT CHECK, BAGGAGE COMPARTMENT SMOKE DETECTOR WOULD NOT TEST, THE MECHANIC REPLACED THE BULB AND THE AIRCRAFT WAS RETURNED TO SERVICE. - [SDR ALG2003F00034](https://openairdocs.org/sdr/ALG2003F00034.md): Blade · vibration · Oct 29, 2002 · N707AL · Skrsky S76 · Main Rotor Blades > DURING FLIGHT, PILOT ENCOUNTERED MODERATE VIBRATION OF MAIN ROTOR FOR 3 SECONDS IN CRUISE FLIGHT THEN IT CEASED. THE AIRCRAFT WAS DIVERTED TO LAFOURCHE AIRPORT IS LANDED WITH NO FURTHER PROBLEM, THE MECHANIC FOUND BLUE MAIN ROTOR BLADE EROSION TAPE TORN HE RE - [SDR ALG2003F00038](https://openairdocs.org/sdr/ALG2003F00038.md): Fire Detector · will not test · Oct 19, 2002 · N703AL · Skrsky S76 · Fire Detection > DURING PREFLIGHT START, AFT BAGGAGE FIRE DETECTION SYSTEM DID NOT TEST. THE MECHANIC REMOVED AND REPLACED THE SMOKE DETECTOR. - [SDR ALG2003F00040](https://openairdocs.org/sdr/ALG2003F00040.md): Amplifier · inoperative · Oct 16, 2002 · N702AL · Skrsky S76 · Fire Detection > DURING GROUND RUN UP, NR 2 ENGINE FIRE DETECTION ACTIVATED. THE MECHANIC REMOVED AND REPLACED THE NR 2 ENGINE CONTROL AMP AND THE AIRCRAFT WAS RETURNED TO SERVICE. - [SDR ALG2003F00039](https://openairdocs.org/sdr/ALG2003F00039.md): Connector · corroded · Oct 15, 2002 · N702AL · Skrsky S76 · Fire Detection > DURING FLIGHT, NR 2 ENGINE FIRE CAUTION LIGHT ILLUMINATED ALONG WITH TWO LIGHTS ON THE (T) HANDLE. NO OTHER INDICATION THAT FIRE DID EXIST (T PERCENT, N1, N2 NORMAL) THE CAUTION LIGHT EXTINGUISHED AFTER 5 SECONDS AND DID NOT ILLUMINATE FOR THE REMAINDER OF 15 - [SDR ALG2003F00003](https://openairdocs.org/sdr/ALG2003F00003.md): Chip Detector · dirty · Oct 12, 2002 · N705AL · Skrsky S76 · Turbine Engine Oil System > DURING FLIGHT, NR 1 ENGINE CHIP DETECTOR LIGHT ILLUMINATED, THE PILOT FOLLOWED CORRECTIVE ACTION IAW EMERGENCY CHECKLIST, UPON LANDING THE MECHANIC REMOVED AND CLEANED THE NR 1 ENGINE CHIP DETECTORS AND ALSO REPLACED THE NR 1 ENGINE OIL FILTER AND THE AIRCRAFT - [SDR ALG2003F00053](https://openairdocs.org/sdr/ALG2003F00053.md): Fuel Nozzle · inoperative · Oct 7, 2002 · N705AL · Skrsky S76 · Fuel Injector Nozzle > AFTER DROOP COMPENSATOR CHECK, THE PILOT SET THE NR 2 ENGINE TO 100 PERCENT AND ADJUSTED THE NR 1 ENGINE TO 100 PERCENT. THEN THE NR 1 ENGINE FAILED (FLAMED OUT). THE MECHANIC REMOVED AND REPLACED THE GOVERNOR, FUEL CONTROL AND FUEL NOZZLE ON THE NR 1 ENGINE - [SDR ALG2003F00052](https://openairdocs.org/sdr/ALG2003F00052.md): Fuel Control · inoperative · Oct 7, 2002 · N705AL · Skrsky S76 · Fuel Controlling System > DURING RUN-UP, AFTER DROOP COMPENSATOR CHECK, THE PILOT SET THE NR 2 ENGINE TO 100 PERCENT AND ADJUSTED THE NR 1 ENGINE TO 100 PERCENT. THEN THE NR 1 ENGINE FAILED (FLAMED OUT). THE MECHANIC REMOVED AND REPLACED THE GOVERNOR, FUEL CONTROL AND FUEL NOZZLE ON - [SDR ALG2003F00051](https://openairdocs.org/sdr/ALG2003F00051.md): Governor · inoperative · Oct 7, 2002 · N705AL · Skrsky S76 · Turbine Governor > DURING RUN-UP, AFTER DROOP COMPENSATOR CHECK, THE PILOT SET THE NR 2 ENGINE TO 100 PERCENT AND ADJUSTED THE NR 1 ENGINE TO 100 PERCENT. THEN THE NR 1 ENGINE FAILED (FLAMED OUT). THE MECHANIC REMOVED AND REPLACED THE GOVERNOR, FUEL CONTROL AND FUEL NOZZLE ON - [SDR 2002F00882](https://openairdocs.org/sdr/2002F00882.md): Blade · cracked · Sep 12, 2002 · N90421 · Skrsky S76 · Main Rotor Blades > DURING A PREFLIGHT INSPECTION, THE MAIN ROTOR BLADE WAS FOUND TO BE DEBONDING AT STATION 57.75 THROUGH 77.75. THERE WAS A SMALL VOID, 1.25 INCHES, AT STATION 78.25. THERE WAS A SMALL CRACK ON TOP OF THE BLADE AT STATION 187.5. - [SDR EGR2002F00010](https://openairdocs.org/sdr/EGR2002F00010.md): Connector · contaminated · Sep 2, 2002 · N5128 · Skrsky S76 · Fire Detection > NR 1 ENGINE FIRE DETECTOR LIGHT ILLUMINATED ON SHORT FINAL FOR 4 SECONDS, IN HEAVY RAIN WITHOUT AUDIO SIGNAL DURING RUN UP. TRANSMISSION BEARING CAUTION LIGHT ILLUMINATED FOR 10 SECONDS AND SUBSEQUENTLY EXTINGUISHED. REMOVED AND CLEANED FIRE DETECTOR CONNEC - [SDR ALG2002F00062](https://openairdocs.org/sdr/ALG2002F00062.md): Radar · failed · Aug 16, 2002 · N703AL · Skrsky S76 · Weather Radar System > IN CRUISE FLIGHT, RADAR WORKING INTERMITTENTLY FOLLOWED BY SMOKE IN THE COCKPIT. - [SDR ALG2002F00057](https://openairdocs.org/sdr/ALG2002F00057.md): Turbine Wheel · corroded · Mar 18, 2002 · N707AL · Skrsky S76 · Turbine Section > TURBINE WAS REMOVED FROM AIRCRAFT DUE TO LOW POWER. REMOVED COMBUSTION SECTION AND FOUND SULPHADATION ON NR 1 WHEEL BLADES. - [SDR AC2A0000301](https://openairdocs.org/sdr/AC2A0000301.md): Thermostat · inoperative · Dec 27, 2001 · N5401G · Skrsky S76 · Engine Oil Temperature Regulator > THERMOSTAT, HIGH ENGINE OIL TEMPERATURE IN FLIGHT. REMOVED AND REPLACED THERMOSTAT. CURED PROBLEM. Next page: https://openairdocs.org/model/sikorsky-s-76/reports.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 = 'S76' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/sikorsky-s-76/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.