JASC 6122

Service difficulty reports · 708

Reports filed under 6122 · Propeller Governor, newest first.

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 jasc_code = '6122'
  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 FFS2003F00020Spool · brokenENGINE OVERSPEED DUE TO INTERNAL FAILURE OF THE PROPELLER GOVERNOR. SPOOL B-3166 SEPARATED FROM SPOOL EXTENSION A-3167, CAUSING GOVERNOR TO ACT AS IF IN AN UNDERSPEED CONDITION, SENDING BOOST OIL PRESSURE TO FORCE PROPELLER TO LOW PITCH. SEPARATION MAY HAVE Sep 12, 2003 · N4112K · Piper PA31350SDR 53566Governor · failedAFTER TAKEOFF ON FLIGHT 5549 FROM PITTSBURGH PENSYLVANIA, THE LEFT PROP RPM ONLY SHOWED 1500 RPMS. THE CREW RETURNED TO GATE WITH NO FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE PROP GOVERNOR. TEARDOWN REPORT WILL BE AVAILABLE AT A LATER DATE.Aug 15, 2003 · N144ZV · Beech 1900DSDR AUS20030853Elbow · cracked(AUS) RT PROPELLER GOVERNOR OUTLET PRESSURE ELBOW CRACKED IN AREA ABOVE LOCKNUT.Aug 12, 2003 · Swrngn SA227*SDR QXEA200300969Governor · malfunctionedGEG- NR 2 PROP SLOW TO COME OUT OF FEATHER. REMOVED AND REPLACED OVERSPEED GOVERNER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Aug 12, 2003 · N401QX · Bombdr DHC8401SDR 52767AMWA01Governor · malfunctionedDURING TAKEOFF ON FLIGHT 5578 FROM READING PENNSYLVANIA TO PITTSBURGH, THE POWER ADDED TO THE RIGHT ENGINE WOULD NOT DEVELOPE MORE THAN 1000 FT LBS TORQUE. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REMOVED AND REPLACED THE BLEED VALVE ANJul 20, 2003 · N144ZV · Beech 1900DSDR 2003FA0000714Governor · inoperativePILOT REPORTED, WENT THRU SEVERE TURBULANCE AND LOST GOVERNOR CONTROL. ENGINE WENT TO 2575 RPM. TROUBLESHOT UNIT, COULD NOT DUPLICATE, OPERATED AND CHECKED WITH PROP TACH. OPENED ON GROUND.Jul 15, 2003 · N3539S · Piper PA31325SDR 2003FA0000944Spring · brokenFEATHERING SPRING FOUND BROKEN INSIDE DURING DISASSEMBLY FOR OVERHAUL.Jun 27, 2003SDR CA030605008Governor · failed(CAN) PROPELLER MOVED TO LOW RPM POSITION AS POWER WAS APPLIED FOR TAKEOFF, TAKEOFF WAS ABORTED AND AIRCRAFT TAXIED BACK TO DOCK. PROPELLER GOVERNOR REPLACED WITH OVERHAULED UNIT, MAIN OIL FILTER INSPECTED AND FOUND CLEAN. AIRCRAFT GROUND RUN AND HIGH SPEED WAMay 24, 2003 · Dhav DHC2MK1SDR T2B2003F00000Roll Pin · missingON APPROACH, PILOT LOST CONTROL OF PROPELLER. PROPELLER WOULD NOT CHANGE PITCH OR FEATHER. PILOT LANDED WITHOUT INCIDENT. ENGINE AND PROPELLER EXPERIENCED OVER SPEED BY 25 PERCENT. ENGINE PROPELLER REMOVED FOR TEARDOWN INSPECTION PROPELLER REMOVED FROM SEMay 16, 2003 · N90609 · Piper PA60600SDR 2003FA0000156Governor · malfunctionedPROPELLER WOULD CYCLE NORMALLY DURING RUN UP. AFTER TAKE OFF THE PROP WOULD BECOME UNCONTROLLABLE. RMP ONLY CONTROLLABLE BY THROTTLE, NOT PROPELLER CONTROL. REMOVAL AND DISASSEMBLY OF PROP GOVERNOR REVEALED THAT ALLEN SCREW HAD BACKED OUT OF REAR OF UNIT AND WFeb 17, 2003 · N468JL · Amtr RV8SDR CA030218010Governor · failed(CAN) CAUTION LIGHT FOR NR 2 AC GENERATOR ON AFTER ENGINE START. CHECKLIST CONSULTED AND GENERATOR RESET WITH SUCCESS. AFTER TAKEOFF POWERPLANT MESSAGE ON ED, CHECKLIST CONSULTED AND NORMAL ENGINE INDICATIONS OBSERVED, FLIGHT CONTINUED TO NEXT BASE. ON APPROFeb 13, 2003 · Bombdr DHC8400SDR CA030205006Cam · cracked(CAN) DURING INSPECTION CRACKS WERE FOUND ON THE CAM ASSY FOR THE PROP GOVERNOR. THE CRACKS WERE LOCATED WHERE THE SCREWS ATTACH THE BRACKET ASSY TO THE ENGINE FIRE WALL. FIG 76 ITEM 24 IN THE TURBO BEAVER IPC. BRACKET WAS REPLACED WITH A NEW UNIT FROM VIKING Feb 5, 2003 · Dhav DHC2MK3SDR CA030124004Shaft · sheared(CAN) AT ENGINE START UP, THE PROPELLER WOULD NOT COME OUT OF FEATHER. INSPECTION REVEALED A SHEARED CONSTANT SPEED PROPELLER GOVERNOR SHAFT.Jan 23, 2003 · Piper PA46500TPSDR 00665098Bearing · corrodedGOVERNOR HAS CORROSION ON BEARING.Jan 14, 2003SDR CA030221004Governor · inoperative(CAN) ON RETURN FLIGHT PILOTS REPORT THAT RT PROPLLER RPM STAYED AT 2100. THEY WERE NOT ABLE TO GOVERN PROPELLER SPEED. AFTER LANDING MAINTENACE CHECKED THE SYSTEM AND DETERMINED THAT REPLACEMENT OF PROP. GOVERNOR WAS REQUIRED. AFTER REPLACEMENT WITH A SERVICAJan 13, 2003 · Beech 200BEECHSDR 0212271Bulb · inoperativeFlight 4456 TTN-BED. Autocoarsen failed to arm on take off. R&R'd anunciator bulbs. Lamp test good. Performed Autocoarsen test IAW SF 340A AMM 61-22-00-5. Ops check good.Dec 27, 2002 · N35SZ · Saab SF340ASDR AUS20021466Governor · faulty(AUS) LT ENGINE PROPELLER GOVERNOR FAULTY. SUSPECT CAUSED BY STICKING PILOT VALVE.Dec 24, 2002 · Beech 1900CSDR CA021203007Bearing · failed(CAN) UPON DISASSEMBLY OF THIS GOVERNOR, IT WAS NOTED THAT ONE OF THE FOUR BEARING ASSEMBLIES HAD LOST ITS BALLS. BECAUSE THERE IS NO SCREEN IN THE BASE OF THIS GASKET, ANY OIL CONTAMINATES COULD CHANNEL BACK INTO THE ENGINE. THE GOVERNOR WAS COMPLETELY OVERHDec 2, 2002SDR CA021203002Flyweight · failed(CAN) GOVERNOR WAS BENCH CHECKED & FOUND TO HAVE ABOUT A 30-RPM OVER SPEED WITH FULL CONTROL OF GOVERNOR OVER ENTIRE RPM RANGE. GOVERNOR WAS DISASSEMBLED, FOUND FLYWEIGHT HAD PARTIALLY FAILED. DRIVE SPRING WAS DISCONNECTED FROM DRIVER, ALLOWING FLYWEIGHT HEANov 28, 2002 · Rkwell 700SDR 2003FA0000889Governor · malfunctionedPN 4508-042 WAS OF A LOWER THAN SPECIFIED HARDNESS WHEN INSPECTED. THIS LOWER HARDNESS ALLOWED THE PART TO WEAR AT A FASTER RATE THAN EXPECTED. THIS WEAR ALLOWED THE DRIVE SPRING TO DISENGAGE FROM THE DRIVER IN THE PROPELLER GOVERNOR AND PERMITTED THE PROPELNov 20, 2002 · Rkwell 700SDR CA030106016Governor · failed(CAN) PILOTS NOTICED RT ENGINE GOING INTO OVERSPEED CONDITION. IMMEDIATELY TRIED TO REDUCE ENGINE RPM WITH THROTTLE & PROP CONTROL, NO SUCCESS. ELECTED TO SHUTDOWN & SECURE RT ENGINE AFTER WHICH THEY CONTACTED TORONTO CENTER AND INFORMED THEM THAT THEY WERE Nov 20, 2002 · Rkwell 700SDR AUS20021280Control Unit · faulty(AUS) LH PROPELLER CONTROL UNIT FAULTY.Oct 31, 2002 · Dhav DHC8202SDR PNSA021101Governor · out of adjustABORTED TAKEOFF DUE TO LOW TORQUE ON RIGHT ENGINE. MAINTENANCE ADJUSTED PROP GOVERNOR HIGH RPM AND GROUND RAN ENGINE TO TAKEOFF TORQUE.Oct 31, 2002 · N892DC · Frchld SA227DCSDR 2002FA0001224Setscrew · backed outPROPELLER GOVERNOR SET SCREW INSIDE CASE HALVES, BACKED OUT CAUSING A CHAIN REACTION OF ENGINE DAMAGE. ALL MAJOR ENGINE COMPONENTS BROKEN (NON-REPAIRABLE), RESULTING IN AN ENGINE FAILURE AND A FORCED LANDING.Oct 9, 2002 · N162FC · Rhnflu EA300LSDR DAT2002F00002Governor · fluctuatesDURING THE SET UP FOR A CRUISE CLIMB CONFIGURATION THE PROP RPM WAS REDUCED TO THE NORMAL 1400 RPM WHEN THE RT PROP KEPT FALLING UNTIL IT STABILIZED AT 750 RPM WITH 4300 POUNDS OF INDICATED TORQUE. AFTER INCREASING AND DECREASING THE RT PROP AND POWER LEVELS Oct 3, 2002 · N330AC · Stbros SD330SDR AUS20021022Governor · faulty(AUS) RT ENGINE PROPELLER GOVERNOR SUSPECT FAULTY.Sep 6, 2002 · Swrngn SA227*SDR TC42002F00000Line · chafedLUBRICATION LINE FROM PROPELLER UNFEATHERING ACCUMULATOR IS RUBBED BY FUEL LINE AT THROTTLE SERVO. RUBBED HOLE IN LINE CAUSING PROPELLER TO FEATHER.Sep 3, 2002 · N1888W · Beech 58SDR GLBA2002126Governor · out of adjustLEFT PROP LIMITED TO 1650 ON TAKEOFF ROLL. ADJUSTED LEFT HAND PROP GOV.Aug 18, 2002 · N204GL · Beech 1900DSDR SWIA200211070Governor · leakingDURING CRUISE, GOT A TRIPLE CHIME OIL WARNING WITH CORRESPONDING OIL PRESSURE BETWEEN 40-55 PSI ON ENGINE NR 2. COMPLIED WITH QRH AND FEATHERED ENGINE NR 2. OIL PRESSURE THEN FELL TO APPROXIMATELY 20-30 PSI AND ENGINE NR 2 WAS SHUTDOWN PER QRH. ALL OTHER ENJul 22, 2002 · N301YV · Emb EMB120ERSDR SWIA200211041Governor · malfunctionedLEFT ENGINE DID NOT ACCELERATE ABOVE 90 PERCENT NP ON TAKEOFF. ABORTED T/O. RAN UP ENGINES W/EEC ON & OFF WITH SIMILAR RESULTS. REMOVED AND REPLACED LT OVERSPEED GOVERNOR IAW HS 61-22-00. OPS CHECKS GOOD.Jul 11, 2002 · N393SW · Emb EMB120ERSDR CA020722010Housing · damaged(CAN) ENROUTE YUX FROM YUW NR 4 ENGINE WOULD NOT SYNC. PRECAUTIONARY SHUTDOWN ACCOMPLISHED. MAINTENANCE REPLACED THE PROP VALVE HOUSING, AIRCRAFT GROUND CHECKED AND RETURNED TO SERVICE.Jul 10, 2002 · Lkheed 382GSDR AUS20020639Spring · failed(AUS) GOVERNOR SPEEDER SPRING FAILED. SPRING WAS A NEW ITEM FITTEDDURING OVERHAUL 169.7 HOURS PREVIOUSLY.Jun 28, 2002 · Piper PA31350SDR AUS20020719Governor · making metal(AUS) LT ENGINE GOVERNOR METAL CONTAMINATION.Jun 22, 2002 · Cessna 310RSDR CA030102006Governor · malfunctioned(CAN) SLIGHT RPM HUNTING ON RT ENGINE AT CLIMB OUT POWER. PROP GOVERNORS WERE SWITCHED TO SEE IF PROBLEM WOULD MOVE. ENDED UP SENDING GOVERNOR OUT FOR REPAIR.Jun 4, 2002 · Piper PA31SDR MALA020301Connector · dirtyLT TORQUE MOTOR LOCKOUT INOP. WOULD NOT COME OUT OF START FEATHER PROP RPM NEVER OVER 800 AND WOULD NOT GO INTO BOTTOM GOVERNOR. MAINTENANCE CLEANED CANNON PLUG ON OVERSPEED GOVERNOR. PERFORMED SEVERAL STARTS ON LT MOTOR. OPS CHECK GOOD.May 29, 2002 · N119XJ · Saab SF340ASDR AUS20020546Csu · leaking(AUS) PROPELLER GOVERNOR (CSU) LEAKING OIL.May 16, 2002 · Cessna 210NSDR AUS20020578Csu · faulty(AUS) CONSTANT SPEED UNIT (CSU) FAULTY.May 2, 2002 · Cessna U206GSDR NACA20020017Connector · defectiveNR 2 PROPELLER UNCONTROLLABLE, WILL NOT TOGGLE. REPLACED CANNON PLUG AND BREEZE FROM THE NR 2 PROP GOV STEP HEAD MOTOR TO NOSE CASE J-BOX.May 2, 2002 · N99330 · Doug DC6ASDR CA020423001Governor · failed(CAN) ON TAKE-OFF THE CREW REPORTED THAT THE LT ENGINE EXPERIENCED A POWER LOSS AS NOTED BY A REDUCED MANIFOLD PRESSURE AND RPM. VISUAL INSPECTION OF THE ENGINE, FUEL SYSTEM, IGNITION SYSTEM, INDUCTION SYSTEM, AND COMPRESSION CHECK DID NOT REVEAL ANY OBVIOUS CApr 18, 2002 · Piper PA31350SDR CA020510005Governor · damaged(CAN) ON MAR 18, 2002, CREW EXPERIENCED FLUCTUATING NP&TQ, POWERPLANT MESSAGE & PEC NR 1 CAUTION LIGHT WERE PRESENTED. WHEN POWER REDUCED, FOR DESCENT, NR 1 NP OVERSPEED. ENGINE SHUTDOWN. UNEVENTFUL LDG ACCOMPLISHED. FAULT CODES 719,939,998,718,161&999 REPORTEMar 18, 2002 · Dhav DHC8*SDR 2002F00755Governor · malfunctionedTHE LEG FROM MDT TO AVP ON FINAL APPROACH THE LEFT ENGINE BEGAN TO SURGE. THE PILOTS SHUT DOWN THE ENGINE TO STABILIZE THE AIRCRAFT AND TO CONTINUE WITH THE APPROACH. THE AIRCRAFT WAS LANDED JOHNSTONE, PA. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AVP MECHMar 14, 2002 · N4498Y · Stbros SD360SDR AUS20020547Csu · faulty(AUS) PROPELLER GOVERNOR (CSU) FAULTY. SUSPECT CAUSED BY FAULTY SPEEDER SPRING.Mar 5, 2002 · Cessna P210NSDR QXEA0200317Governor · malfunctionedPDX - AT ROTATION NR 2 ENGINE ONLY INDICATED 980 RPM, WITH CONDITION LEVER AT MAX, FUEL FLOW WAS ALSO LOW. NOTICEABLE YAW WITH UNEVEN POWER. RETURNED TO FIELD WITHOUT INCIDENT. REMOVED AND REPLACED NR 2 PROP OVERSPEED GOVERNOR. OPERATIONAL AND LEAK CHECK GFeb 25, 2002 · N365PH · Dhav DHC8202SDR CA011220001Nut · leaking(CAN) DURING ROUTINE GROUND MAINTENCE OIL WAS DISCOVERED EMINATING FROM THE ENGINE COWLING. INVESTIGATION WHICH INCLUDED WASHING DOWN THE AREA AND A RUN UP REVEALED OIL LEAKING FROM THE RELIEF VALVE ADJUSTMENT NUT. REPLACED PROPELLOR GOVERNOR, RAN ENGINE NODec 19, 2001 · Cessna 210RSDR 2001FA0000656Idler Gear · crackedRELEVANT INDICATION. (CRACK)Nov 26, 2001 · N2544R · Cessna 182KSDR SABA011062Governor · uncontrollableAircraft 961 on flight 5152 from Charlotte to Lewisburg. After take-off pilot reported the number two engine prop governor will not hold set RPM and makes erratic & rapid changes between 99 to 101.5%. Aircraft returned to Charlotte and landed with no other proNov 10, 2001 · N961AE · Bag JETSTM3201SDR CA011116002Control Arm · misinstalled(CAN) GOVERNOR WOULD NOT CYCLE PROP BELOW 1500 RPM. CONTROL ARM INSTALLED IN THE INCORRECT POSITION ON CONTROL SHAFT.Nov 7, 2001 · Cessna A185ESDR AUS20011212Clamp · missing(AUS) PROPELLER GOVERNOR OIL LINE CRACKED AT FLANGE IN AREA OF ATTACHMENT TO THE GOVERNOR. LOSS OF ENGINE OIL CAUSED ENGINE TO SEIZE. INVESTIGATION FOUND THAT THE TWO CLAMPS REQUIRED BYAD/LYC/86 AMDT2 WERE NOT FITTED. PERSONNEL/MAINTENANCE ERROR.Nov 4, 2001 · Beech C24RSDR NSV2001F00001Governor · failedRKD-RH PROP RPM DROPPED TO 1400 DURING TAKE OFF ROLL. OFF WAS ABORTED AIRCRAFT RETURNED TO GATE. MECHANIC REMOVED AND REPLACED PROP GOVERNOR, RIGGED AS REQUIRED. OPS CHECKED GOOD.Nov 2, 2001 · N550CJ · Beech 1900CSDR 2001FA0000689Line · crackedAIRCRAFT WOULD NOT MAKE TAKEOFF POWER, RESULTED IN RTO. CRACKED PY LINE BETWEEN FUEL CONTROL AND PROP GOV. REMOVED AND REPLACED PY RIGHT LINE GOING TO PROP AND PERFORMED A SUCCESSFUL OPERATIONAL AND LEAK CHECK. (M)Oct 24, 2001 · N903FF · Cessna 208
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