JASC 6120
Service difficulty reports · 1,421
Reports filed under 6120 · Propeller Controlling System, 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 = '6120' 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 = '6120' 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 PCAA0402165Pcu · faultyFLIGHT 3998 MIDDLETOWN, PILOT REPORTED THAT THE NR 2 PROP DID NOT FEATHER DURING THE AUTOFEATHER TEST. MAINTENANCE REMOVED AND REPLACED THE NR 2 PROPELLER CONTROL UNIT. ALL OPERATIONAL AND LEAK CHECKS WERE GOOD AND AIRCRAFT RETURNED TO SERVICE.SDR CA040311002Pitch Control · inoperative(CAN) AIRCRAFT EXPERIENCED NR 1 PROPELLER TO FEATHER PITCH JUST AFTER TAKEOFF POWER WAS SET ON. PIREP RATING POWER SET, NR 1 ENG TORQUE INDICATION IN TURNED RED AND PROPELLER RPM DECREASED TO 200RPM. CONDITION LEVER MOVED TO START/FEATHER THEN BACK TO MAX BUTSDR CA040209004Control Cable · broken(CAN) AT ENGINE WARMING UP PILOT FOUND ( WHEN TRYING CHECK OF PROP GOVERNOR WORK) LT PROP CONTROL LEVER WENT LOOSE, PROP DID NOT FOLLOW SETTING ANY MORE. INSPECTION REVEALED LT PROP GOVERNOR CABLE PN:24894-10 BROKEN AND SEPARATED CABLE END FITTING AT GOVERNOR SDR 58596Propeller · out of adjustWHILE TAXIING IN ON FLIGHT 5433, THE RIGHT PROP STUCK IN LOW PITCH. THE AIRCRAFT ARRIVED AT THE GATE WITH NO FURTHER INCIDENT. MAINTENANCE ADJUSTED THE LOW PITCH. NO PARTS WERE USED.SDR 189661Propeller · malfunctionedON 02/05/04, APPROX 1630 (UTC), FLT 4518 ERI-PIT. CREW BEGAN TAKEOFF ROLL AND ENGAGED CTOT. ONCE THE CTOT WAS ENGAGED, THE LT TORQUE BECAME ERRATIC AND FLUCTUATED. CREW PULLED POWER BACK, ABORTED TAKEOFF AND RETURNED TO GATE.SDR 58572Propeller · stuckON POWER UP FOR TAKEOFF THE CREW NOTED THAT THE RIGHT PROP STUCK IN LOW PITCH. RETURNED TO GATE WITH NO FURTHER INCIDENT. MAINTENANCE CLEANED AND LUBED LOW PITCH SOLENOID. NO PARTS WERE USED.SDR QXEA200400094Fadec · defectiveSEA FLIGHT 2346 RETURNED TO FIELD, NR 2 PROP DID NOT REDUCE FROM 1020 NP WHEN COMMANDED. REPLACED FADEC. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR QXEA200400075Warning Light · malfunctionedSEA-ON FLIGHT NUMBER 2340, ON TAKEOFF ROLL WITH POWER AT TAKEOFF TORQUE WITH AUTOFX IN "SELECT". DID NOT GET AN ARM LIGHT. ABORTED TAKEOFF AT 60 KTS. PERFORMED OPERATIONS TEST OF AUTOFX AND UPTRIM SYSTEM. AUTOFX TEST CHECKED GOOD. NO FAULT CODES. NO PARTSDR SWIA200412798Pcu · malfunctionedON FINAL APPROACH APPROX 1000 FT LEFT ENGINE AUTOFEATHERED. CONTINUED APPROACH LEFT ENGINE SEEMED TO CYCLE OUT OF FEATHER AND THEN BACK INTO FEATHER. UPON LANDING, ALL PARAMETERS APPEARED NORMAL. REPLACED LEFT ENGINE PCU AND RELAY K0162 PER MM 61-21-00. OPSDR GLBA20030534Circuit Board · failedAFX DISABLE ILLUMINATED WHEN SETTING TAKE OFF POWER, NR 2 AFX LIGHT DID NOT ILLUMINATE, AFX DISABLE STAYED ILLUMINATED, REMOVED AND REPLACED A123 PCB PN 129-364091-9. OPS CK GOOD.SDR 2004FA0000219O-Ring · cutAT CRUISE FLIGHT NR 1 PROP EXPERIENCED RPM FLUCTUATIONS. AS A PRECAUTIONARY MEASURE, PROP WAS FEATHERED. PILOT LANDED UNEVENTFULLY. FOUND REGULATOR TO PROP, OIL TRANSFER TUBE, O-RING CUT. INSTALLED NEW O-RING. GROUND RUN FUNCTIONAL AND LEAK CHECKS GOOD.SDR 011271Panel · malfunctionedTHE CREW ABORTED TAKEOFF WHEN THE CTOT ON THE RT SIDE ARMED AND THEN DISARMED.SDR CA031218002Pitch Control · inoperative(CAN) EVERY 20 SECONDS IN FLIGHT, PROP SPEED DROPS BY 10 RPM AND ALL OTHER ENGINE PARAMETERS ALSO DROP. CREW COULD FEEL THE DROP IN POWER, NOT AN INDICATION PROBLEM. FADEC WAS REPLACED, ON GROUND HIGH POWER RUNS NO DEFECT NOTICED. TAKE-OFF WAS FINE, BUT ON CLISDR QXEA200301550Control Unit · inoperativePOWER PLANT MESSAGE ON CLIMBOUT. DIVERTED TO PDX. REPLACED THE NR 1 PEC. OPERATIONAL CHECK FLIGHT SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.SDR 2004FA0000160Rod End · wornTHREE ROD END BEARINGS WORN, ONE ON EACH PROP CONTROL AT GOVERNOR, ONE ON THROTTLE. ONE WAS CLOSE TO FAILURE AND TO ONLY BEING RETAINED BY PN 100951S0632ZK LARGE AREA WASHER.SDR QXEA200301511Mfc · failedNR 1 AC GENERATOR CAUTION LIGHT AND NR 1 ENGINE AUTOFEATHER ACTIVATED THROUGH 1000 FEET AFTER DEPARTING PDX. AIRCRAFT RETURNED TO FIELD. REMOVED AND REPLACED NR 1 MFC. AIRCRAFT RETURNED TO FIELD. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR PCAA0311145Beta Switch · malfunctionedAFTER TAKEOFF, NR 1 PROP CYCLED FROM 1200 TO 800 RPM, COULD NOT BE CONTROLLED UNTIL ENGINE WAS SHUTDOWN AND FEATHERED. AFTER RETURN TO FIELD, MAINTENANCE READ THE FDR, NO OVERTORQUE FOUND. THE ENGINE AND PROP CONTROL LINKAGES WERE INSPECTED, NO DEFECTS FOUND. SDR 008181Connector · damagedAIRCRAFT ABORTED TAKEOFF WHEN ERRATIC TORQUE INDICATIONS WERE OBSERVED ON THE NR 2 ENGINE. ENGINE TORQUE INDICATION WAS FLUCTUATING FROM 50 TO 120 WITH CTOT ENGAGED. AT 1350Z, FWA MX REPORTED OF TIGHTENING A LOOSE BACKSHELL ON A ECU CONNECTOR. THE AIRCRAFT WSDR 34931Warning Light · illuminatedFLIGHT NR 4555 FROM FWA TO PIT. ON TAKE-OFF AIRCREW NOTICED THAT THE AUTOCOARSEN LIGHT FAILED TO ILLUMINATE (ARM). AIRCREW ABORTED TAKE-OFF AND RETURNED TO THE GATE.SDR CA040204008Pitch Control · inoperative(CAN) ENGINE INDICATING POWERPLANT MESSAGE ON ED DURING TAKEOFF ROLL. T/O ABORTED AND RETURNED TO GATE FOR TECHNICAL INVESTIGATION. THE CENTRAL DIAGNOSTIC SYSTEM (CDS) WAS INTERROGATED AND REVEALED THE PRESENCE OF FAULT CODE 224 ON LT ENGINE (THE GBE SWITCH STSDR GLBA2003143Circuit Board · failedNR 2 PROP FEATHERED ON LANDING APPROACH, REMOVED AND REPLACED PCB. OPS CK GOOD.SDR MALA030481Governor · failedDURING FLIGHT 3319, RT PROP INDICATES 1240. RIGHT ENGINE PROP RPM 1240 W/ CONDITIONER LEVER MAX RIGHT AFTER +10. APPROX 10 MINUTES LATER DROPPED BELOW 1180. QRH ENGINE SHUTDOWN BELOW 1200 RPM ACCOMMPLISHED. T/M LOCKOUT DID NOT CHANGE. AIR RETURN TO DTW. SDR QXEA200301386Pcu · malfunctionedSEA- NR 1 ENGINE AFTER SETTING TORQUE YAWED LEFT AND THEN ENGINE SOUND INCREASED DRASTICALLY. GLANCED AT GAUGES ON ABORT, POWER REDUCTION, ENGINES RETURNED TO NORMAL. NO WARNING LIGHTS. REMOVED AND REPLACED PCU AND TSCU. OPERATIONAL CHECKS GOOD. AIRCRAFT SDR QXEA200301348Warning Light · false activationAUTO FEATHER FAILED TO ARM ON TAKEOFF ROLL. ABORTED TAKEOFF. PERFORMED FUNCTION TEST OF POWER LEVER LIMIT SWITCHES, AUTO FEATHER ARMING INITIATES WITHIN TEST CHART OF DHC AMM 61-26-00, FIGURE 501. NO FAULTS FOUND. NO PARTS REPLACED, AIRCRAFT RETURNED TO SESDR QXEA200301309Controller · malfunctionedBOI - FLIGHT NR 2398 DURING CLIMB NR 2 PROP CHANGED FROM 850 TO 1020 UNCOMMANDED, POWER LEVERS IN RATING DETENT. CONDITION LEVERS AT 850 POWER AT MCL. AFTER RESETTING PROPS TO 850, -5 MINUTES LATER NR 2 PROP AGAIN WENT TO 1020. REPLACED PEC, OPERATIONAL CHESDR CA031027004Controller · malfunctioned(CAN) TAKE-OFF WAS REJECTED IN YXY DUE TO AUTO FEATHER FAILING TO ARM ON THE RIGHT SIDE A/C GROUND RUN TESTED-NORMAL-NO FAULT FOUND A/C RELEASED FOR RETURN TO SERVICESDR QXEA200301169Pcu · surgesAFTER ROTATION NR 2 ENGINE STARTED TO SURGE. PROP RPM'S WERE AROUND 960 TORQUE FLUCTUATED + OR - 30 PERCENT. STARTED TO RUN THE ENGINE FAILURE CHECKLIST. RETURNED TO FIELD UNEVENTFULLY. REMOVED AND REPLACED NR 2 PROPELLER CONTROL UNIT. NO SURGES NOTED. AIRCRSDR QXEA200301168Pump · malfunctionedALTERNATE FEATHER PUMP DOES NOT COME ON DURING TEST ON NR 1 ENGINE. REMOVED AND REPLACED NR 1 AUX FEATHER PUMP.SDR QXEA200301136Relay · failedON FLIGHT 2175 DURING NR 1 AUTOFEATHER TEST, THE UPTRIM AND ALTERNATE FEATHER LIGHTS ILLUMINATED, BUT THE NP RPM DOES NOT DECREASE TOWARDS FEATHER. REMOVED AND REPLACED 6121-K1 RELAY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR AMWA54255Propeller · unknownMAINTENANCE RECEIVED A CALL FROM CREW STATING PROP WOULD NOT GO INTO GROUND DURING FLIGHT. MAINTENANCE INSPECTED IT AND COULD NOT DUPLICATE THE PROBLEM ON GROUND. AIRCRAFT WAS FERRIED TO DUBOIS, PENNSYLVANIA AND WAS INSPECTED BY MAINTENANCE THERE AWAITING FOSDR CA040109008Pitch Control · inoperative(CAN) DURING ENGINE GROUND START, THE FLT CREW GOT A POWER PLANT ADVISORY LIGHT ON THE ENGINE DISPLAY UNIT. POWER PLANT ADVISORY DISAPPEARED AFTER RESET PROCEDURE CARRIED OUT IAW TCC REQUEST. THE CENTRAL DIAGNOSTIC SYSTEM (CDS) WAS INTERROGATED AND REVEALED TSDR HNAA0300041Pcu · defectiveAFTER TAKEOFF APPROX. 300 FT. NR 1 ENGINE TQ WENT TO 137 PERCENT.SDR 189111Warning Light · illuminatedFLIGHT 4493 FROM PIT TO CLE. AIRCREW WAS IN THE PROCESS OF TAKING OFF WHEN THEY RECEIVED THE INDICATION OF THE AUTOCOARSEN NOT ARMING. AIRCREW ABORTED TAKEOFF AND RETURN TO THE GATE WITHOUT INCIDENT.SDR 2003F00548Pitch Control · leakingFLT 3525 - BGR - OIL CAP LIGHT CAME ON DURING FLIGHT. LESS THAN 50 PSI ON LEFT ENGINE, FOLLOWED BY 10 PERCENT LOSS OF TORQUE AND SLIGHT VIBRATION. INITIATED ENGINE SHUT DOWN. FOUND OIL LEAKING FROM FITTING ON PPC. REMOVED AND REPLACED LEFT PPC IAW GARRETT SDR 194962Controller · malfunctionedFLT NR 4516 ON 8/12/03 LYH - PIT, ON TAKEOFF ROLL AUTOCOARSEN SYSTEM FAILED TO ARM WITH TQ ABOVE 80 PERCENT, CAPTAIN ABORTED TO AND RETURNED TO GATE.SDR QXEA200300930Connector · looseON FLIGHT 2141 ABORTED TAKEOFF DUE TO AUTOFEATHER FAILED TO ARM ON TAKEOFF. POWER LEVERS WERE BROUGHT UP EVEN, ALTHOUGH NR 1 TORQUE LAGGED BY 15 TO 20 PERCENT. THEN BOTH TORQUE'S WERE ABLE TO REACH 80 PERCENT BEFORE THE AUTOFEATHER FAILED TO ARM. REINSTALLESDR CA031105006Buss Bar · shorted(CAN) DURING CRUISE THE AC GEN NR 2 CAUTION LIGHT CAME ON TOGETHER WITH (PROP DEICE) CAUTION LIGHT. GEN AND PROP DEICE RESET ACC. TO QRH. AFTER APPROX. 5-10 SEC. BOTH (AC GEN NR 1) AND (AC GEN NR 2) CAUTION LIGHTS CAME ON WITH ASSOCIATED BUS FAULT CAUTION LIGHSDR 2003FA0000857Rod End · wornAIRCRAFT WAS IN FOR ITS FIRST ANNUAL INSPECTION SINCE NEW. FOUND FORWARD PROP CONTROL ROD END WORN BEYOND SERVICEABLE LIMITS. PART MAY HAVE A MFG DEFECT.SDR 2003FA0000856Rod End · wornAIRCRAFT WAS IN FOR ITS FIRST ANNUAL INSPECTION SINCE NEW. FOUND FORWARD PROP CONTROL ROD END WORN BEYOND SERVICEABLE LIMITS. PART MAY HAVE MFG DEFECT.SDR AUS20030730Plug · loose(AUS) PROPELLER PITCH CONTROL VALVE PLUG LOOSE. SUSPECT PLUG LOCKING RING BUMPED DURING EXAMINATION OF PLUG PRIOR TO FLIGHT.SDR CA030702004Governor · failed(CAN) ON TAKEOFF ROLL LT ENGINE DID NOT PRODUCE TORQUE FOR TAKEOFF (PROP PARTIALLY CAME OFF LOCKS). ABORTED TAKEOFF. RETURNED TO MAINTENANCE FACILITY.SDR HNAA030030Control Unit · leakingDURING FLIGHT THE F/A REPORTED A FLUID LEAK FROM THE NR 1 NACELLE. AIRCRAFT RETURNED TO THE DEPARTURE FIELD. CREW REPORTED THERE WAS NO LOSS OF OIL PRESSURE OR ASSOCIATED CAUTION LIGHTS. FOUND NR 1 PROP CONTROL UNIT LEAKING. REPLACED PCU.SDR AUS20030658O-Ring · damaged(AUS) RT PROPELLER OIL TRANSFER TUBE O-RING SEAL DAMAGED.SDR 2003FA0000644Rod End · wornDURING THE FLIGHT, ON TAKEOFF, THE ENGINE RPM WAS NOT CONSISTENT. INSPECTION OF THE PROPELLER GOVERNOR CABLE ROD END, REVEALED EXCESSIVE WEAR AT THE CONNECTION BETWEEN THE SPHERICAL BALL AND THE SOCKET IT SNAPS INTO.SDR CA030729021Control Unit · malfunctioned(CAN) AFTER APPLYING TAKEOFF POWER RT PROP FEATHERED TO 200 RPM. UP TRIM ON LT ENGINE, WITH PEC CAUTION ON WARNING/CAUTION PANEL. TAKE OFF ABORTED AND RIGHT ENGINE SHUT DOWN. TAXIED BACK TO GATE WITH NORMAL DEBARKATION. FAULT CODES 260 AND 236 LOGGED IN CDS. FSDR SWIA200312058Switch · stuckPILOT REPORTS THAT RIGHT ENGINE AUTO FEATHERED ON TAKEOFF ROLL WITH LT ENGINE TQ FLUCTUATION, BUT ENGINE DID NOT FOLLOW FLUCTUATION. FOUND LEFT ENGINE AUTO FEATHER TEST SWITCH STUCK IN THE TEST POSITION. REMOVED AND REPLACED SWITCH. RAN A/C, OPS CHECKED GOOSDR L062003F00000Motor · inoperativeFOUND FEATHER PUMP INOPERATIVE. DURING PREFLIGHT RUNUP FOR TRAINING FLIGHT. TROUBLESHOOT FOUND ALL ELECTRICAL SYSTEMS OPERATING NORMALLY. PUMP DRIVE MOTOR DETERMINED TO BE INOPERATIVE.SDR MALA030280Governor · malfunctionedRT PROP RPM SLOWED AFTER TAKEOFF. RT PROP RPM UNDERSPEED NOTICED AFTER TAKEOFF (1280 RPM) PROCEEDED IN ACCORDANCE WI/QRH AND RETURNED FOR LANDING. TORQUE MOTOR LOCKOUT WAS ACHIEVED, BOTH CONDITION LEVERS WERE AT MAX PRIOR TO THIS. AIR RETURN TO CRW. MAINTESDR QXEA0300644Autofeather Sys · malfunctionedSEA ON FLIGHT 2239 ABORTED TAKEOFF DUE TO DURING TAKEOFF ROLL ADDED POWER AND AUTOFEATHER DID NOT ARM. THIS SDR IS AWAITING FURTHER INFORMATION.SDR QXEA0300643Autofeather Sys · malfunctionedPDX ON FLIGHT 9850 TAKEOFF WAS ABORTED DUE TO AUTOFEATHER NOT ARMING. ARM LIGHT TESTED GOOD. REPEATEDLY ARMED/DISARMED AUTOFEATHER SYSTEM AND PERFORMED MULTIPULE AUTOFEATHER AND POWER UPTRIM TESTS. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED
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