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 CA091229005Lever · worn(CAN) ON TAKEOFF FULL RPM WAS ACHIEVED, ABOUT 2000 RPM, ON BOTH ENGINES, BUT AT ABOUT 400 FEET ALTITUDE WHEN PROP LEVERS WERE MOVED TO REDUCE RPM THE RT ENGINE MOVED TO 1900 RPM BUT THAT THERE WAS A DIFFERENCE IN STAGGER BETWEEN THE TWO PROP CONTROLS. WHEN FUSDR QXEA2009091000668Governor · failedAFTER START NR 1 PROP WOULD NOT COME OUT OF FEATHER EVENTUALLY IT DID BUT VERY SLUGGISH. PROP DID NOT FEATHER AT SHUTDOWN. REMOVED NR 1 PROP OVERSPEED GOVERNER IAW Q400 AMM TASK 61-20-26-000-801. INSTALLED IAW TASK 61-20-26-400-801 OPS TEST GOOD. RETURNED TOSDR CA090826015Shaft · missingMASSIVE OIL LOSS DURING FLIGHT. ACFT LANDED ON HYW 17. ACFT LOADED ONTO TRANSPORT AND RELOCATED. INSP REVEALED ENG PLUG PN LW-13896 HANGING FROM LOCKING. PROPELLER GOVERNER IDLER SHAFT FOUND MISSING. PN LW-14021 IDLER GEAR PN LW-10541 FOUND FLOATING INSIDSDR 2009FA0000517Idler Gear · crackedGEAR PUMP IDLER FAILED NDT/ CRACKED TOOTH. (K)SDR 2009FA0000502Idler Assy · failedFAILED NDT/ CRACKED TOOTH. (K)SDR 2009FA0000396Plunger · damagedPLUNGER P/N 210332 INSPECTED IAW SB 33571C AND FAILED.SDR 2009FA0000367Cable · frayedUPON APPLYING FULL THROTTLE FOR TAKEOFF, THE PILOT NOTED THAT THE ENGINE ONLY REACHED 2000 RPM. TAKEOFF WAS ABORTED AND A VISUAL CHECK OF THE PROPELLER GOVERNOR WAS MADE. THE MX RATED PILOT DETERMINED THAT THE CONTROL WAS STICKING BEFORE REACHING THE HIGH RPM SDR CA090501004Pcu · malfunctioned(CAN) AFTER REPLACING THE PCU, ENGINE STARTED FOR GROUND RUNS & OPS AND LEAK CHECKS. UPON SELECTING THE PROP CONTROL LEVER TO TAKE THE PROPELLER FROM FEATHER TO FINE PITCH, THE RPM AND TORQUED INCREASED AT AN ABNORMAL RATE WITH TORQUE CLIMBING RAPIDLY. ENGINE SDR CA090422003Governor · malfunctioned(CAN) DURING ENGINE START IT WAS NOTED THAT THE RT ENGINE TORQUE WAS SLOW TO INCREASE WHEN THE PROP WAS TAKEN OUT OF FEATHER. MX COFIRMED THE SNAG AND REPLACED THE RT PROPELLOR GOVERNOR. THIS FIXED THE PROBLEM.SDR CA090408001Governor · bypassing(CAN) UPON REMOVAL OF PROP GOVERNOR, AME FOUND OIL CONTROL PLUG BACKED OUT, THEREFORE BYPASSING OIL. PLUG WAS REINSTALLED AND TIGHTENED, THE GOVERNOR WAS REINSTALLED AND ENGINE RUN PROVED PROPER OPERATION. THE ACFT WAS RELEASED FOR SERVICE.SDR COEA2009033101788Governor · failedTAXI BACK, OVERSPEED GOVERNOR TEST FAILED DURING GROUND RUN UP. PROP RPM WENT TO RED LINE. REMOVED AND REPLACED OVERSPEED GOVERNOR. ACFT RETURNED TO SERVICE.SDR CA090403006Governor · overspeed(CAN) LEVEL AT 9000 FT, 80 MILES FROM THE POINT OF TAKEOFF, LT ENGINE STARTED TO OVERSPEED THE RPM. RETURNED TO AIRPORT AND REPLACEMENT OF NEW GOVERNOR WAS DONE. ACFT WAS RUN UP AND NEXT FLIGHT PROVED THE ACFT BACK TO SERVICE.SDR CA090311009Governor · unserviceable(CAN) AFTER TAKEOFF, ON RETURN TO BASE THE PILOT FOUND THAT HE COULD NOT CONTROL THE LT PROP. THE PROP STAYED IN FULL FINE EVEN WHEN PROP LEVER WAS SELECTED TO FULL COURSE OR TO FEATHER. AFTER LANDING AT BASE MX INSPECTED THE LT ENG RIGGING, AND LT PROP. EVERSDR GLBA20090315AGovernor · low torqueABORTED TAKEOFF BECAUSE THE RT PROPELLER RPM ONLY CAME UP TO 1600 AND THEY THEN ABORTED THE TAKEOFF. MAINTENANCE TROUBLESHOT THE SYSTEM AND FOUND THE RIGHT PROPELLER GOVERNOR OUT RIG. MAINTENANCE RIGGED THE ENGINEBY TURNING THE PROP RPM SCREW OUT AND TESTED THSDR CA090225004Governor · malfunctionedON GROUND RUN, RT PROP WOULD NOT FEATHER. OTHER PITCH CHANGE FUNCTIONS WORKED NORMALLY. INITIALLY THE PROP WAS REPLACED WITH SIMILAR RESULTS THE GOVERNOR WAS THEN REPLACED WITH A SERVICEABLE UNIT FROM ANOTHER AIRCRAFT AND THE PROP PITCH/FEATHER FUNCTIONED NOSDR 2009FA0000102Setscrew · out of positionON DISASSEMBLY OF ENGINE FOR OVERHAUL, A SETSCREW FROM THE PROPELLER IDLER GEAR SHAFT WAS DISCOVERED SLIGHTLY EMBEDDED INTO THE INSIDE OF THE REAR-LT SIDE OF THE CRANKCASE. SETSCREW WAS PROBABLY IMPROPERLY PEENED FOR RETENTION IAW OVERHAUL MANUAL SEC 7-74, ATSDR QXEA2008010201273Governor · failedSEA - NR 2 PROP SLOW TO UNFEATHER. REMOVED AND REPLACED NR 2 OVERSPEED GOVERNOR IAW AMM TASKS 61-20-26-000-801 AND 61-20-26-400-801. PERFORMED OPS TEST OF THE OVERSPEED GOVERNOR IAW TASK 61-20-00-710-803 AND FUNCTIONAL TEST OF PROP TIME TO UNFEATHER IAW TASKSDR QXEA2008121001233Governor · malfunctionedFCA- NR 1 PROPELLER WILL NOT COME OUT OF FEATHER ON ENGINE START. REPLACED NR 1 OVERSPEED GOVERNOR PER Q400 MM 61-20-26-000-801 + 61-20-26-400-801. TESTS GOOD. RETURNED TO SERVICE.SDR QXEA2008111401187Governor · failedSEA - NR 2 PROP WOULD NOT COME OUT OF FEATHER. REMOVED OVERSPEED GOVERNOR IAW Q400 AMM TASK 61-20-26-000-801 AND INSTALLED A NEW FROM STOCK OSG IAW Q400 AMM TASK 61-20-26-400-801. OPS AND LEAK CHECK GOOD. RETURNED TO SERVICE.SDR 2008FA0000694Spring Drive · brokenSPRING DRIVE DISCOVERED BROKEN AT DISASSEMBLY. (K)SDR 2008FA0000693Rod · brokenLIFT ROD WAS DISCOVERED BROKEN AT DISASSEMBLY. (K)SDR 2008FA0000632Drive System · brokenSPRING-DRIVE DISCOVERED BROKEN AT DISASSEMBLY. (K)SDR 2008FA0000631Rod · brokenLIFT ROD WAS DISCOVERED BROKEN AT DISASSEMBLY. (K)SDR CA080917006Governor · out of adjust(CAN) DURING TAXI ROLL IN PREPARATION FOR TAKE-OFF, THE COMPRESSOR TURBINE SPEED (NG) DROPPED BY APPROX 2%. PILOT ADVANCED POWER LEVER AND ITT ROSE TO 740 DEG C WITH NO INCREASE IN NG. THE LOW OIL PRESSURE ANNUNCIATED AND PILOT OBSERVED ZERO OIL PRESSURE. THE SDR GLB2008F00021Connector · looseSUSPECTED AUTOFEATHER EVENT, UPON APPROACH, PILOTS REPORTED THAT RT AUTOFEATHER ACTUATED (AS IT NORMALLY DOES DURING TESTING) ON APPROACH AFTER A MINOR POWER INCREASE. MAINT REMOVED AND REPLACED THE OVERSPEED GOVERNOR IAW MM 61-20. OPS CHECK WAS GOOD, HOWEVERSDR Z3O2008F00000Drive Gear · brokenPILOT REPORTS RT ENGINE WENT INTO FEATHER AND SHUT DOWN DURING FLIGHT, AFTER INSPECTION, FOUND RT GOVERNOR DRIVE GEAR SHEARED FROM GOVERNOR, THE THREE JOINTS THAT ATTACH THE DRIVE GEAR TO THE GOVERNOR HAD BEEN BROKEN OFF ALLOWING GEAR TO COME OUT. AFTER REVIEWSDR CA080819013Cotter Pin · missing(CAN) DURING ENG INSP, TWO COTTER PIN TAILS WERE FOUND IN ENG ACCY SUMP. INVESTIGATION INTO SOURCE OF PIN TAILS REVEALED THAT COTTER PIN (P/N 10185) SECURING NUT (P/N 23212) FOR GOVERNOR DRIVE GEAR SHAFT (P/N 2715) IN ACCY SECTION WAS MISSING. THERE WAS EVIDENSDR GLB2008F00013Rod · out of adjustAIRCRAFT N192GL - 07/05/2008 - FLIGHT 5136 - ON APPROACH INTO "DEN" THE PILOTS REPORTED THAT THE NR 1 ENG/PROP AUTO FEATHERED ON FINAL, LOW POWER, FLAPS 35, & GEAR DOWN. MAINTENANCE ADJUSTED PROP GOVERNOR IN INTERCONNECT ROD & CLEANED SOLENOID. GROUND OPERATISDR CA080728008Fitting · cracked(CAN) ON INSPECTION, IT WAS DISCOVERED THAT THERE WAS AN OIL LEAK AROUND THE RT ENGINE PROP GOVERNOR. UPON FURTHER INSPECTION IT WAS FOUND THAT THE FITTING WAS CRACKED HALF WAY AROUND THE FITTING. FITTING REPLACED AND ACFT RETURNED TO SERVICE.SDR CA080702013Valve · failed(CAN) NR 2 PROPELLER WOULD NOT GO INTO BETA OR REVERSE ON LANDING. PROPELLER GOVERNOR AND PITCH LOCK VALVE REPLACED AND PROP FUNCTION CHECKED SERVICEABLE ON GROUND RUN.SDR CA080724008Plug · failed(CAN) WE WERE CLIMBING OUT OF KSBM GOING THRU 4,000 FEET MSL, WHEN THE ENGINE/PROP OVER SPEEDED. IT TOPPED OUT AT SOMETHING OVER 3,100 RPM. IT TOOK ABOUT 5 TO 10 SECONDS TO GET THE POWER PULLED OFF. BY CAREFUL USE OF THE THROTTLE (2650 RPM MAX), WE WERE ABLE TSDR CA080623012Governor · failed(CAN) ON APPROACH TO TALBOT LAKE FOR A SCOOP (WATER PICK UP) THE RT ENGINE BEGAN TO SPEED UP UNCOMMANDED TO 3000 RPM AND AN OVERSHOOT WAS INITIATED. THE RPM LEVER WAS RETARDED IN AN ATTEMPT TO CONTROL THE RPM WITH NO RESPONSE. THE PROP OVERSPEED PROCEDURE WAS SDR CA080619004Governor · malfunctioned(CAN) AFTER INSTALLATION OF THE OVERHAULED GOVERNOR, THE TEST FLIGHT WAS CARRIED OUT AND THE ENGINE WAS OVER SPED. THE GOVERNOR WAS SENT BACK TO THE REPAIR FACILITY, THE FACILITY REPORTS NOTHING ABNORMAL.SDR SWDG20085569Governor · leakingGOVERNOR HAS EXCESSIVE BETA VALVE OIL LEAKAGE AND ERRATIC TORQUE FLUCTUATION. PART REMOVED AND SENT TO REPAIR STATION FOR EVALVUATION.SDR CA080411002Pilot Valve · damagedTHE GOVERNOR WAS MANUFACTURED BY ONTIC, ONTIC HAS THE MANUFACTURING RIGHTS TO THE FORMER WOODWARD GOVERNOR COMPANY PISTON ENGINE GOVERNORS. THE GOVERNOR WAS RECEIVED FROM THE AIRCRAFT MANUFACTURE, DIAMOND AIRCRAFT INDUSTRIES, FOR REPAIR IN APRIL 2008. ACCORDSDR CA080402018Governor · misriggedTAKEOFF WAS ABORTED WHEN THE ENGINE WOULD NOT PRODUCE FULL POWER. INVESTIGATION REVEALED IMPROPER RIGGING OF THE PROP GOVERNOR.SDR MCC2008F00000Governor · failedWHILE TRAINING FOR A CHECK RIDE, POWER WAS PULLED BACK TO SIMULATE ENGINE AT CONDITION. WHEN POWER WAS REAPPLIED, ENGINE FAILED TO RESPOND ENGINE WAS SECURED, TROUBLESHOOTING DECIDED PROP GOV FAILED. PROP GOV WAS REPALCED WITH OVERHAULED UNIT, ALL CHECK SAT.SDR CA080221011Governor · leaking(CAN) DURING CRUISE, THE LOW OIL PRESSURE WARNING WAS ACTIVATED. THE CREW ELECTED TO SHUTDOWN THE ENGINE AND DIVERT THE AIRCRAFT TO AN ALTERNATE LANDING SITE. INITIAL INVESTIGATION REVEALED SIGNIFICANT EXTERNAL OIL LEAKAGE FROM THE PROPELLER OVERSPEED GOVERNORSDR QXEA200800174Governor · malfunctionedPDX - NR 1 ENGINE TOOK ABOUT 1 MINUTE LONGER THE NR 2 ENGINE TO COME OUT OF FEATHER DURING ENGINE START. MAINTENANCE REPLACED THE OVERSPEED GOVERNOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR FFKA020108124Tube · brokenAFTER TAKEOFF PILOT REPORTED AN UN-COMMANDED FEATHERING OF THE LEFT ENGINE. AFTER LANDING MAINTENANCE FOUND OIL RESIDUE ON THE OUTSIDE OF ENGINE NACELLE, AND THE TUBE ASSEMBLY FOR THE PROPELLER ACCUMULATOR CRACKED AT THE FLARE ON THE PROPELLER GOVERNOR FITTINSDR RC2R130LPilot Valve · brokenPROPELLER WENT TO FEATHER IN FLIGHT AND WAS UNABLE TO UNFEATHER. AFTER RECEIVING THE GOVERNOR FOR INSPECTION IT WAS DISCOVERED THAT THE BOTTOM END OF THE PILOT VALVE (P/N 5221-220) HAD BROKEN OFF AND WAS MISSING. IT WAS PRESUMED THAT IT EXITED THE BOTTOM END OSDR HN8R200800001Control Cable · brokenPROPELLER GOVERNOR CONTROL CABLE BROKE WHILE AIRCRAFT WAS ON GROUND.SDR LR7A08023Housing · damagedDURING CLIMB-OUT FLIGHT CREW REPORTED SEVERE NR 1 PROPELLER RPM FLUCTUATION. ENGINE SHUTDOWN PERFORMED IAW AFM. NR 1 PROPELLER VALVE HOUSING REPLACED IAW LAC JOB CARD HN7101 WITH SATISFACTORY OPS CHECK.SDR CA080116022Mount · mismanufactured(CAN) AFTER ENGINE REPLACEMENT FOR OVERHAUL A PRELIMINARY GROUND RUN WAS CARRIED OUT. IT WAS FOUND THAT THE PROPELLER WOULD NOT FEATHER WHEN PERFORMING A GOVERNOR CHECK. THE PROBLEM WAS TRACED TO THE GOVERNOR MOUNT PAD WHICH HAD NOT HAD AN OIL GALLERY COMPLETESDR CA071214006Line · cracked(CAN) AFTER DEPARTURE DURING CLIMB, THE PILOT NOTICED SLIGHT POWER LOSS ON THE LT ENGINE WHICH SLOWLY DECAYED UNTIL TORQUE WAS AT 100LBS AT WHICH TIME THE PROP WAS FEATHERED. THE CREW ELECTED TO LEAVE THE ENGINE RUNNING AS ALL OTHER INDICATIONS WERE GREEN AND SDR FFKA121Governor · malfunctionedPILOT REPORTED THAT THE TACHOMETER WAS INDICATING 100 RPMS HIGHER THEN RECOMMENDED BY THE ENGINE MANUFACTURE AFTER TAKEOFF AND HAD NO CONTROL OF THE PROPELLER GOVERNOR. PILOT REDUCED ENGINE POWER TO KEEP RPMS BELOW REDLINE AND THEN COULD NOT MAINTAIN ALTITUDESDR FFKA119Governor · malfunctionedPILOT REPORTED THAT THE TACHOMETER WAS INDICATING 100 RPMS HIGHER THEN RECOMMENDED BY THE ENGINE MANUFACTURE AFTER TAKEOFF BUT STILL HAD CONTROL OF THE PROPELLER GOVERNOR. REMOVED GOVERNOR FROM SERVICE AND SENT OFF FOR EVALUATION, THIS EVALUATION DETERMINED TSDR FFKA120Governor · malfunctionedPILOT REPORTED THAT THE TACHOMETER WAS INDICATING 100 RPMS HIGHER THEN RECOMMENDED BY THE ENGINE MANUFACTURE AFTER TAKEOFF PILOT HAD NO CONTROL OF THE PROPELLER GOVERNOR. PILOT REDUCED ENGINE POWER TO KEEP RPMS BELOW REDLINE AND THEN COULD NOT MAINTAIN ALTITUSDR CA070515008Governor · out of rig(CAN) ON NUMEROUS LANDINGS THE AC YAWED HARD TO THE LT. AFTER RIGGING THE SNAG WOULD GO AWAY FOR NUMEROUS LANDINGS THEN YAW AGAIN TO THE LT. MAINT REPLACED THE LT PROP GOVERNOR AND RETURNED THE ACFT TO SERVICE. TO DATE THE SNAG HAS NOT RE-OCCURED. (TC NR 20070SDR CA070514049Governor · malfunctioned(CAN) WHILE ON CLIMB OUT, AFTER THE CREW MADE A ROUTINE SELECTION OF PROP SYNC, THE RT PROP/ ENGINE BEGAN TO CYCLE UNCONTROLLABLY. THE CREW SHUT IT DOWN AND RETURNED TO STATION. MAINTENANCE REPLACED THE RT PROP GOVERNOR AND THE A/C RETURNED TO SERVICE. (TC NR
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