# Service difficulty reports: N5447C A list on [N5447C](https://openairdocs.org/aircraft/N5447C.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR AC2R47C05212011](https://openairdocs.org/sdr/AC2R47C05212011.md): Fitting · broken · May 21, 2011 · N5447C · Skrsky S76A · Landing Gear Doors > ON WALK AROUND PRIOR TO TAKING OFF, THE HERC 201 (MP42) PILOT NOTICED THE RT MLG COWLING HANGING, UPON FUTHER INSPECTION REALIZED THE FWD HINGE HAD CRACKED. REPLACED GEAR DOOR WITH SERVICEABLE UNIT. - [SDR AC2A20101218001](https://openairdocs.org/sdr/AC2A20101218001.md): Warning Light · illuminated · Dec 18, 2010 · N5447C · Skrsky S76A · Main Rotor Gearbox > MAIN TRANSMISSION CHIP LIGHT ILLUMINATED INBOUND TO VENICE. NO SECONDARY INDICATIONS NOTED. - [SDR AC2R20101214001](https://openairdocs.org/sdr/AC2R20101214001.md): Gearbox · making metal · Dec 14, 2010 · N5447C · Skrsky S76A · Main Rotor Gearbox > (AC2R) APPROX 2 MILES FROM LANDING, THE MAIN GEARBOX CHIP LIGHT ILLUMINATED. PERFORMED THE MAIN GEARBOX CAUTION LIGHT ILLUMINATED EMERGENCY PROCEDURE AND LANDED. MX FOUND 1 FLAKE ON PLUG, PERFORMED A SERVICEABILITY CHECK AND RETURNED ACFT TO SERVICE. RECHECK - [SDR AC2A685K](https://openairdocs.org/sdr/AC2A685K.md): Warning Light · illuminated · Nov 4, 2010 · N5447C · Skrsky S76A · Engine (Turbine/Turboprop) > NR 2 ENGINE CHIP LIGHT ILLUMINATED INBD TO BASE. FOLLOWED EMERGENCY PROCEDURES CHECKLIST, PLACED NR 2 ENGINE LEVER TO IDLE AND LANDED AS SOON AS PRACTICAL. ENGINE LEVER PLACED TO FLIGHT FOR LANDING AND RETURNED TO IDLE AFTER LANDING. - [SDR AC2A119194](https://openairdocs.org/sdr/AC2A119194.md): Bolt · corroded · Mar 14, 2008 · N5447C · Skrsky S76A · Main Rotor System > NEW BOLTS HAVE A PIT IN THE SHANK OFF THE BOLT. - [SDR AC2A113672](https://openairdocs.org/sdr/AC2A113672.md): Coupling · cracked · Jan 20, 2007 · N5447C · Skrsky S76A · Tail Rotor Drive System > COUPLING WAS FOUND CRACKED ON 110 HR, AIRFRAME INSPECTION. - [SDR AC2A110338](https://openairdocs.org/sdr/AC2A110338.md): Flex Coupling · cracked · Jul 19, 2006 · N5447C · Skrsky S76A · Tail Rotor Drive System > DISCOVERED CRACKED COUPLING DURING 50 HOUR INSPECTION. INSTALLED NEW COUPLING. - [SDR AC2A087919](https://openairdocs.org/sdr/AC2A087919.md): Latch · broken · Jun 2, 2003 · N5447C · Skrsky S76A · Nacelle/Pylon, Main Frame > RT FWD ENGINE COWL LATCH FAILED IN FLIGHT. UPON LANDING IT WAS DISCOVERED THAT THE COWLING HAD LIFTED 2 INCHES ON RIGHT HAND SIDE. THE LATCH HOOK ON THE FWD. LATCH WAS COMPLETELY MISSING AND THE AFT LATCH WAS CLOSED BUT NOT HOOKED TO THE AIRFRAME FITTING. FWD. - [SDR AC2A081172](https://openairdocs.org/sdr/AC2A081172.md): Seal · leaking · Oct 13, 2002 · N5447C · Skrsky S76A · Turbine Engine Oil System > ENGINE STARTED LEAKING OIL AFTER OIL FLOW CHECK. REPLACED SEAL - [SDR AC2A0000064](https://openairdocs.org/sdr/AC2A0000064.md): Control Cable · damaged · Jun 24, 2000 · N5447C · Skrsky S76 · Power Lever > AFTER LANDING ON SS169C, MOVED ENGINE THROTTLES TO GROUND IDLE WHILE LOADING AND UNLOADING PASSENGERS. WHEN THROTTLES MOVED BACK TO FLY, NR 2 THROTTLE MADE A NOTICEABLE CLICK AT THE FULL OPEN POSITION AND TRAVEL FURTHER FORWARD IN THE QUADRANT. PULLED THROTT - [SDR AC2A0000056](https://openairdocs.org/sdr/AC2A0000056.md): Meter · corroded · Jun 22, 2000 · N5447C · Skrsky S76 · Fuel Injector Nozzle > PART IS ERODED AT THE METER SET CAUSING STREAKING AND VOIDS IN THE SPRAY PATTERN. REPLACED THE METER SET. (X) - [SDR AC2A0000045](https://openairdocs.org/sdr/AC2A0000045.md): Pinion Gear · spalled · Jun 4, 2000 · N5447C · Skrsky S76 · Main Rotor Gearbox > ENGINE REMOVED FOR METAL IN OIL. UPON DISASSEMBLY OF GEARBOX, HELICAL POWER TRAIN PINION GEAR PN 6893672 WAS FOUND TO HAVE SPALLING ON GEAR TEETH. HELICAL TORQUEMETER GEAR ALSO HAD SPALLING ON GEAR TEETH. BOTH PARTS WERE REJECTED DUE TO SPALLING. PINION GE - [SDR AC2A0000044](https://openairdocs.org/sdr/AC2A0000044.md): Scroll · damaged · May 31, 2000 · N5447C · Skrsky S76 · Turbine Engine Compressor Section > ENGINE WOULD NOT PASS LIMITING CHECK AS OUTLINED IN SIKORSKY S76 FLIGHT MANUAL. ENG ALSO REPORTED FOR LOW POWER. ENG REMOVED. UPON DISASSEMBLY OF TURBINE, 1ST STAGE TURBINE NOZZLE AND 1ST STAGE TURBINE WHEEL WERE FOUND DAMAGED FROM FOREIGN OBJECT PASSING TH - [SDR AC2A0000063](https://openairdocs.org/sdr/AC2A0000063.md): Fire Detector · malfunctioned · May 11, 2000 · N5447C · Skrsky S76 · Fire Detection > AIRCRAFT DEPARTED ICY ON 135 SERVICE FLIGHT AND APPROX 10 MILES SOUTH OF ICY, NR 2 ENGINE FIRE LIGHT ILLUMINATED AND FIRE WARNING HORN SOUNDED. CANCELLED TONE AND IN ABSENCE OF ANY SECONDARY INDICATIONS, RETURNED TO HELIPORT AND MADE A NORMAL APPROACH. MECHA - [SDR AC2A0000041](https://openairdocs.org/sdr/AC2A0000041.md): Turbine Wheel · damaged · Apr 25, 2000 · N5447C · Skrsky S76 · Turbine Section > ACFT''''''''S NR 2 ENG HAD A CHIP LIGHT AFTER LANDING. CHIP PLUGS REMOVED, ENG FOUND MAKING METAL. METAL CLEARED FROM PLUGS, ENG RUN. CHIP LIGHT AGAIN CAME ON. PLUGS CLEANED, ENG RE-STARTED. BEFORE ENG REACHED IDLE RPM, CHIP LIGHT CAME ON. MECH REPORTED - [SDR 99ZZZX4439](https://openairdocs.org/sdr/99ZZZX4439.md): Potentiometer · failed · Jul 13, 1999 · N5447C · Skrsky S76 · Auto Flight System > FEEDBACK POT PREMATURE FAILURE. SUBMITTER STATED SHOULD LAST UNTIL OVERHAUL TIME OF 3,000 HOURS. CAUSED ACTUATOR TO KICK IN-FLIGHT. COMPONENT PN 7690002802106. - [SDR 97ZZZX2859](https://openairdocs.org/sdr/97ZZZX2859.md): Switch · shorted · May 1, 1997 · N5447C · Skrsky S76 · Emergency Flotation Section > FLOAT INFLATED PREMATURELY. FOUND SWITCH ROTATING IN CYCLIC, LOOSE INSTALLATION, WIRE FRAYED. NO SHIELDING OVER SOLDER JOINT, CAUSING SHORT. UNSOLDERED CONNECTION, INSTALLED SHIELDING OVER WIRES, RESOLDERED, AND INSTALLED SWITCH SECURELY TO PREVENT TURNING. - [SDR 97ZZZX2856](https://openairdocs.org/sdr/97ZZZX2856.md): Explosive Link · failed · May 1, 1997 · N5447C · Skrsky S76 · Emergency Flotation Section > EXPLOSIVE LINK DID NOT ACTIVATE WHEN FLOATS WERE DEPLOYED. HARNESS TEST OK. REPLACED LINK. - [SDR 97ZZZX97](https://openairdocs.org/sdr/97ZZZX97.md): Nozzle Shield · damaged · Nov 7, 1996 · N5447C · Skrsky S76 · Turbine Section > THE NR 2 ENGINE FIRST STAGE TURBINE NOZZLE SHIELD WAS FOUND TO HAVE AN.8750 INCH BY 1.75 INCH SECTION MISSING AT THE 6 O'CLOCK POSITION. THIS DEFECT WAS FOUND DURING A ROUTINE INSPECTION. IT WAS SEEN THROUGH THE FUEL NOZZLE MOUNTING HOLE. AFTER REMOVAL OF ## 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 n_number = 'N5447C' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N5447C/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.