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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR AU970885Governor · out of adjust(AUS) PROPELLER GOVERNOR HIGH RPM OUT OF ADJUSTMENTSDR QXEA9700182Governor · malfunctionNR 2 PROPELLER WILL NOT COME OUT OF FEATHER POSITION. PROPELLER SPEED GOES TO A MAXIMUM OF 62.2 PERCENT. REPLACED NR 2 PROP HIGH PRESSURE/OVERSPEED GOVERNOR ASSEMBLY AND NR 2 PROPELLER CONTROL UNIT FEATHER SOLENOID VALVE AND COCKPIT OVERHEAD PANEL 15VE, OPERSDR 97ZZZX2630Packing · defectiveWHEN POWER WAS REDUCED DURING LANDING FLARE, RT PROP WENT TO A FLATTER PITCH THAN LEFT. BELIEVE O-RING TO BE TIGHT IN BORE OF BETA VALVE. REPLACED O-RING. MADE NO CHANGES IN RIGGING. NEW O-RING PERFORMED SATISFACTORY.SDR QXEA9700179Governor · malfunctionNR 2 ENGINE PROPELLER WILL NOT COME OUT OF FEATHER. REPLACED UNFEATHER VALVE SOLENOID, OVERSPEED GOVERNOR, PUMP ASSEMBLY, AND COCKPIT OVERHEAD PANEL 15VE, OPERATIONAL CHECKS GOOD.SDR SRAA970420Valve Housing · bearing failedSHUTDOWN OF NR 4 ENGINE DUE TO SUSPECTED DECOUPLE APPROX 30 MIN. AFTER TAKEOFF FROM LCK. RETURNED TO LCK AND LANDED WITHOUT INCIDENT. FOUND NO DECOUPLE CONDITION, NR 4 PROPELLER VALVE HOUSING ASS'Y HAD FAILED BEARING. REPLACED NR 4 PROP AND VALVE HOUSING SDR PCAA9700362O-Ring · failedPHL - DURING CLIMB-OUT, NR 2 ENGINE OIL PRESURE DROPPED TO 40 PSI. THE ENGINE WAS SHUT DOWN AND ACFT LANDED IN ABE WITHOUT INCIDENT. MAINTENANCE INSPECTED ENGINE IAW PWC MANUAL FOR LOW/LOSS OF OIL PRESSURE. FOUND THE PROP CONTROL UNIT ADAPTER FLANGE O-RINGSSDR RAIA970403Governor · failedJFK - FLT 7674 - LEFT ENGINE OVERSPEED ON TAKEOFF. MAINTENANCE REPLACED LEFT PROPELLER GOVERNOR. (M)SDR RAIA970314Prop Governor · failedSTL - FLT 7067 - RT ENGINE FLAMED OUT ON APPROACH, RPM DROPPED TO 65 PERCENT, AUTO-REIGNITION TOOK PLACE, RPM BEGAN TO INCREASE, RT ENGINE BECAME UNCONTROLLABLE. PERFORMED IN-FLIGHT SHUT DOWN. MAINTENANCE REPLACED RIGHT ENGINE PROPELLER GOVERNOR. (X)SDR 97ZZZM556Prop Governor · failedRIGHT ENGINE SURGE, ABORTED TAKEOFF. REMOVED AND REPLACED PROP GOVERNOR. GROUND RUN-UP AND OPERATIONAL CHECK NORMAL OPERATION. NTS TEST FLIGHT COMPLETE AND NORMAL SYSTEM OPERATION.SDR AU970290Governor · faulty(AUS) RH ENGINE PROPELLER GOVERNOR FAULTYSDR RAIA970216Prop Governor · erraticSGF - FLT 7018 - RIGHT ENGINE TORQUE CREEPED ABOVE 90 PERCENT ON TAKEOFF. MAINTENANCE REPLACED THE RIGHT PROP GOVERNOR. (M)SDR 97ZZZX1097Governor · failedGOVERNOR FAILED ON CLIMB-OUT CAUSING ENGINE TO FEATHER PROP NECESSITATING AN EMERGENCY LANDING. OIL PLUG WITHIN GOVERNOR CAME LOOSE CAUSING IT TO JAM OIL PUMP GEARS AND SHEAR SHAFT ON GOVERNOR. 1,088 HRS SMOH OF GOVERNOR.SDR RAIA970210Prop Contl Unit · failedSTL - FLT 7158 - RIGHT ENGINE TORQUE FLUCTUATED 5-6 PERCENT, WITH NH AND ITT FLUCTUATIONS. MAINTENACNE REPLACED THE RIGHT PROPELLER CONTROL UNIT. (M)SDR WTAA970022Fitting · crackedLAX - LEFT ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED, FOLLOWED BY LOSS OF OIL PRESSURE REPORTED. CREW SECURED LEFT ENGINE AND RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE INSPECTED LEFT ENGINE. FOUND OIL FITTING CRACKED ON LEFT PROP GOVERNOR. REPLACEDSDR ZIAA97012Prop Governor · out of adjustDURING CLIMB-OUT, NR 1 RPM WAS SUSTAINED AT 14,200. SHUT DOWN THE ENGINE. RETURNED TO HUF. ADJUSTED NR 1 PROPELLER GOVERNOR. GROUND TEST NORMAL. (M)SDR 97ZZZX3014Ioc · failedINVESIGATION FOR PROPELLER OVERSPEED AND ENGINE FEATHER WHICH LED TO TERRAIN COLLISION, FOUND THE INDEPENDENT OIL CONTROL FAILURE. RT ENGINE COWL COVERED WITH H-5606 FLUID. LAST OVERHAUL 6-10-96.SDR VTZA97118Prop Gov · out of adjustFLT 6538 - IAD-RIC - ABORTED TAKEOFF DUE TO LEFT ENGINE SLOW TO ACCELERATE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED PROP GOVERNOR HIGH, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (SDR 97ZZZX3070Prop Governor · misinstalledTHE CESSNA SM AND LYC ENGINE OVERHAUL DO NOT CONTAIN THE REQUIREMENT TO USE A PROPELLER GOV PAD PLATE, PN LW-12347, WHEN INSTALLING A MCCAULEY GOVERNOR ON LYC 4 OR 6 CYLINDER ENGINE WITH REAR MOUNTED DUEL MAG INSTALLATIONS. THIS PLATE WAS LEFT OUT DURING REINSSDR RAIA961209Prop Governor · out of adjustSTL - FLT 7344 - RIGHT ENGINE TAKEOFF RPM 99 PERCENT. MAINTENANCE ADJUSTED PROP GOVERNOR HIGH STOP. (M)SDR RAIA961207Prop Governor · out of adjustJLN - FLT 7060 - LEFT ENGINE RPM DROPPED TO ZERO DURING TAKEOFF. MAINTENANCE ADJUSTED PROP GOVERNOR HIGH STOP. (M)SDR VTZA96437Prop Gov · out of adjustFLT 6508 - IAD-BOS - ABORTED TAKEOFF DUE TO LEFT ENGINE SLOW TO MAKE 100 PERCENT TORQUE AT 90 KNOTS, ONLY REACHED 91 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED PROP GOV, OPS CHECK OK. AIRCRAFT WAS SDR 97ZZZX417Housing · crackedDURING INVESTIGATION OF PROP RPM PROBLEM, IT WAS NOTED THE RPM INDICATION AT FULL THROTTLE WAS ONLY 2100 RPM. GAINED ACCESS TO THE GOVERNOR AND NOTED THE SPEED LEVER SHAFT WAS LOOSE AND THE END HOUSING CRACKED 360 DEGREES AROUND ITS BASE. NOTE: THIS HOUSINGSDR CA961029011Prop Governor · faulty(CAN) DURING FLIGHT WITH POWER SETTINGS IN CRUISE THE CREW NOTICED A CHANGE IN THE SOUND FROM THE #2 ENGINE, IT WAS ALSO NOTED THE BETA LIGHT WAS ON. THE PROP RPM WAS INCREASING AND THE TORQUE WAS DECREASING AND THE AIRCRAFT BEGAN TO YAW. THE YAW HAD TO BE CORSDR 96ZZZX5430Control Arm · chafe baffleCONTROL ARM OF PROPELLER GOVERNOR RUBBING THROUGH BAFFLING. AIR FLOW PUSHES BAFFLING INTO STUD ON CONTROL ARM AND IS WEARING THROUGH. SUBMITTER STATED MAKE BRACKET TO HOLD BAFFLES BACK.SDR VTZA97011Prop Gov · out of adjustFLT 6508 - ROA-IAD - ABORTED TAKEOFF DUE TO RIGHT ENGINE WOULD NOT MAKE POWER. AIRCRAFT WENT TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE INSPECTED AND ADJUSTED PROP GOV HIGH, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)SDR BSAA092096Prop Governor · failedBIL - RIGHT ENGINE LOW TORQUE. PROP GOVERNOR STICKING ALLOWING ENGINE RPM TO GO TOO HIGH. INSTALLED SERVICEABLE PROP GOVERNOR, GROUND RUN CHECKED OK. PERFORMED FLIGHT TEST AND NTS SHUTDOWN. RELEASED TO SERVICE. (M)SDR BDHA9600019Prop Governor · failedMSP - FLT 434 - THE RIGHT ENGINE PROP GOVERNOR WAS REMOVED FOR INSPECTION DUE TO CARBON STEEL IN THE SOAP SAMPLE. SLOW BETA LIGHT PROBLEMS WERE ALSO REPORTED. METAL WAS FOUND UNDER THE SCREEN ON THE PROP GOVERNOR. THE PROP GOVERNOR WAS CHANGED AND THE OIL SSDR VTZA96368Prop Gov · out of adjustFLT 6920 - BOS-IAD - ABORTED TAKEOFF, DUE TO LEFT ENGINE RPM 102 PERCENT, TORQUE SLOW TO COME UP. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED ENG MAX PROP SPEED, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SESDR 96ZZZX5469Governor Body · wornPROPELLER GOVERNOR BODY WORN IN GEAR POCKET. SUSPECT CAUSE, IDLER GEAR STUD WORN ALLOWED GEAR TO RUN OFFSET.SDR 96ZZZX4140Drive Gear · wornDURING INSPECTION OF GOVERNOR, SPLINE IN DRIVE GEAR WAS FOUND WORN. GOVERNOR WAS RETURNED TO CUSTOMER.SDR VTZA96291Prop Governor · out of adjustJFK/BOS - FLT 6490 - DURING TAKEOFF AT 1930 HRS ON 8-6-96, MADE AN UNSCHEDULED LANDING DUE TO LT ENGINE WOULD ONLY OBTAIN 86 PERCENT TORQUE ON TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. AIRCRAFT MADE FERRY FLIGHT TO IAD. MAINTENANCE SDR 96ZZZX4062Drive Gear · crackedDURING INSPECTION OF PROPELLER GOVERNOR, DRIVE GEAR WAS FOUND CRACKED IN SPLINE. GOVERNOR RETURNED TO CUSTOMER WITHOUT REPAIR.SDR RAIA960724Screw · out of adjustSTL - FLT 7508 - LEFT ENGINE WOULD NOT PRODUCE TARGET TORQUE, RPM 103 PERCENT. ADJUSTED PROP GOVERNOR HIGH STOP (SCREW X). (M)SDR RAIA960719Prop Governor · out of adjustSTL - FLT 7326 - RIGHT ENGINE SLOW TO SPOOL UP TO TARGET TORQUE. MAINTENANCE ADJUSTED THE RIGHT PROPELLER GOVERNOR. PERFORMED GROUND RUNS. (X)SDR 96ZZZX3891Stud · brokenENGINE DEVELOPED AN OIL LEAK. PROBLEM FOUND TO BE A BROKEN BASE-TO-BODY ATTACH STUD ON THE PROPELLER GOVERNOR OF THE FOUR STUDS. ONE WAS BROKEN, AND ONE AN31-5 NUT WAS SLIGHTLY LOOSE. ALL 4 AN310-5 NUTS WERE SAFETIED.SDR 96ZZZX3817Beta Fork · shearedPROPELLER BETA FORK PLUNGER WAS FOUND COMPLETELY SHEARED AT THE PRESSED JOINT WHERE THE FORK AND PLUNGER MEET. SUBMITTER STATED IF THIS WAS NOT FOUND AND PROPELLER WAS RETORQUED, TO SERVICE IT COULD HAVE CAUSED THE PROPELLER TO NOT RETURN FROM REVERSE.SDR 96ZZZX3685Drive Gear · excess wearDURING INSPECTION OF PROPELLER GOVERNOR, FOUND EXCESSIVE WEAR ON SPLINE OF DRIVE GEAR. DRIVE GEAR WAS REPLACED WITH NEW D2088 DRIVE GEAR.SDR 96ZZZX3336Governor · excess wearDISASSEMBLED GOVERNOR FOR INSPECTION AND FLUSH DUE TO USE OF MOBIL AV 1 OIL. FOUND SEVERE WEAR ON FLYWEIGHTS AND PINS NEARING FAILURE. EXCESSIVE TO SEVERE WEAR ON MAIN BODY DUE TO IDLER GEAR WEAR. PUMP BODY CAVITY WORN OVER SIZE AND EXCESSIVE WEAR ON MAIN SSDR 96ZZZX3335Gear · wornUPON INPSECTION, DRIVE GEAR SPLINE WAS FOUND WORN BEYOND REPAIR. PART HAS BEEN SCRAPPED.SDR RAIA960535Prop Governor · failedSTL - FLT 7092 - NR 2 ENGINE WOULD NOT PRODUCE REQUIRED TORQUE. REMOVED AND REPLACED PROP GOVERNOR. (M)SDR CA960612023Overspeed Gov · failed(CAN)PILOT DID OVERSPEED TEST BEFORE TAKEOFF. PROP SPEED, HOWEVER NOTED TO BE LOW. SOLENOID FOR TEST HAD FAILED AND OVERSPEED GOVERNOR NEEDED TO BE REPLACED.SDR S2YA960006Prop Governor · failedGRR - FLT 1123 - THE FLIGHT CREW EXPERIENCED TORQUE FLUCTATIONS OF THE RIGHT ENGINE IN-FLIGHT, TURNED BACK TO GRR. THROUGH TROUBLESHOOTING, MAINTENANCE FOUND THE PRIMARY GOVERNOR FAILED AND REPLACED IT. DURING A RUN-UP CHECK, THE RIGHT AUTOFEATHER WAS TESTEDSDR AU960522Governor · faulty(AUS) LH ENGINE PROPELLER GOVERNOR (CSU) FAULTYSDR COMA9610134Governor · defectiveLT PROPELLER IS SLOW COMING OUT OF FEATHER. REPLACED THE LEFT OVER SPEED GOVERNOR.SDR 96ZZZX4221Shaft Assy · crackedFOUND CRACK ON GEROTOR FACE GOING OUT FROM KEYWAY CORNER. CRACK EXTENDED THROUGH GEAR.SDR 96ZZZX2006Flyweight · welds crackedINSPECTION FOUND GOVERNOR FLYWEIGHT WELDS CRACKED.SDR 96ZZZX2004Drive Gear · crackedINSPECTION FOUND GOVERNOR DRIVE GEAR CRACKED.SDR 96ZZZX2003Flyweight Base · crackedINSPECTION FOUND GOVERNOR FLYWEIGHT CRACKED.SDR 96ZZZX2005Flyweight · weld crackedINSPECTION FOUND CRACKED WELD ON FLYWEIGHT IN THE GOVERNOR.SDR CA960409029Governor · fluctuates(CAN)DURING A FLIGHT TEST, COMING OFF FINAL APPROACH, THE RIGHT HAND PROPELLER STARTED FLUCTUATING BETWEEN 13300 AND 14400 RPM. THE R/H ENGINE WAS SHUT DOWN AND THE AIRCRAFT LANDED WITHOUT INCIDENT. THE PROPELLER WAS REMOVED AND SENT FOR INSPECITON/OVERHAUL.
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