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 HNAA0200061Connector · dirtyNR 2 PROP ATTEMPTED TO FEATHER WHILE ADVANCING POWER FOR TAKE OFF. CAPTAIN RAN ENGINE WITH FEATHER SYSTEN OFF, OPS NORMAL. SELECTED AUTO FEATHER ON OPS NORMAL. CALLED CONRACT MAINTENANCE, CLEANED BOTH TSEU CONNECTOR PLUGS AND NR 2 PROP FEATHER SOLENOID CONNESDR QXEA0201436Controller · malfunctionedYVR - AUTO FEATHER FAILED TO ARM ON TAKEOFF ROLL. COMPLIED WITH SERVICE LETTER C8 SL 31-001R9. NO PARTS REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR CA021220003Control Unit · failed(CAN) DURING TAKE-OFF AUTOFEATHER DID NOT ARM AND TAKE OFF WAS ABORTED. FAULT CODE 274 OBSERVED IN CDS FOR THE LT ENGINE PROPELLER ELECTRONIC CONTROL UNIT (PECU). FOR TROUBLESHOOTING PURPOSES THE PECU'S WERE CROSS CHANGED. THE FAULT MOVED TO THE OTHER SIDE. NSDR 2002F00929Control Unit · malfunctionedWHEN TURNING BASE IS FINAL, BOTH ENGINES POWER LEVELS WERE ADVANCED FROM IDLE TO NORMAL. THE LEFT ENGINE NR 1 DID NOT RESPOND TO ANY POWER LEVEL SETTING. WITH THE POWER LEVELS IN THE NOTCH, THE LEFT ENGINE NP WAS AT 103.9 BUT THE TORQUE WAS AT ZERO PERCENT. SDR QXEA0201059Pcu · malfunctionedPDX- NR 2 ENGINE LOST 20 PERCENT TORQUE ON CLIMBOUT. NO CAUTION LIGHTS ILLUMINATED. ALL ENGINE PARAMETERS APPEARED NORMAL WITH THE EXCEPTION OF NL WHICH WAS ABOUT 7 PERCENT LOWER THAN NR 1. RETURNED TO FIELD. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND SDR GUUA07270206Connector · looseLEFT AUTOFEATHER ANNUNCIATOR INTERMITTENT IN FLIGHTRSECURED ELECTRICAL CONNECTOR AT RELAYSDR 2003FA0001212Control Handle · brokenPILOT REPORTED THAT ON APPROACH TO LANDING THAT HE ADVANCED PROP TO FULL RPM AND THE PROP CONTROL LEVER BROKE OFF IN HIS HAND, INSTALLED A NEW PROP CONTROL LEVER. OLD PART SHOWS EVIDENCE THAT IT WAS CRACKED FOR SOME TIME PRIOR TO THIS, BUT WENT UNDETECTED DSDR SIMA200218901Computer · malfunctionedMCO - FLT 5016 - DURING CLIMB-OUT, WHEN CREW SELECTED CLIMB ON POWER MANAGEMENT RIGHT PROPELLER STAYED AT 100 PERCENT. CREW RETURNED TO MCO AND DECLARED EMERGENCY UPON LANDING. AIRCRAFT WAS LANDED SAFELY WITH NO FURTHER INCIDENTS. MAINTENANCE FOUND THE EEC/SDR CA020813004Control Unit · binding(CAN) WHILE CARRYING OUT POST-ENGINE CHANGE GROUND RUNS. THE NR 1 ENGINE SUFFERED AN OVER TORQUE OF 149 PERCENT WHEN MOVING THE POWER LEVER FROM DISCING TO FLIGHT IDLE. THE CAUSE OF THE OVER TORQUE WAS DETERMINED TO BE FROM A BINDING PCU. THE PCU WAS REPLACSDR QXEA0200925Pcu · malfunctionedPDX - NR 2 ENGINE FEATHERED (UNSCHEDULED) IN FLIGHT WHEN FLAPS SELECTED 35 DEGREES AT 1000 FT AGL ON FINAL APPROACH. CONTINUED LANDING UNEVENTFULLY. REPLACED NR 2 PEC NO HELP. FINAL FIX REPLACED PCU. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.SDR GLBA2002095Control Cable · lack of lubeNR 2 PROP CANNOT REGULATE PROP RPM AT A HIGHER RPM. T/S CLEANED AND LUBRICATED PROP CABLES AND ROD ENDS AT RIGHT ENGINE.SDR AUS20020983Propeller · faulty(AUS) N2 ENGINE PROPELLER AUTOCOARSEN. CAUSED BY INCORRECT SELECTION OF PROPELLER CONTROLS.SDR GLAB2002098Stop · out of adjustBOTH PROPS RPM REACHED 1650 RPM MAX. ADJ MAX PROP RPM STOPS ON NR 1 & NR 2 ENGINES.SDR CA020604008Control Cable · failed(CAN) DURING UNSCHEDULED REMOVAL OF RT FCU IT OBSERVED THAT PROP CONTROL CABLE FRAYED AT PULLEY LOCATED IN RT WING CENTER SECTION. PROP CONTROL MOVED TO ASSIST IN REMOVAL OF CABLE & AS DONE CABLE SNAPPED AT DIFFERENT LOCATION. CABLE SEGMENT SD3-47-1106XA FRAYSDR GLBA2002075Lever · out of adjustBOTH PROPS WOULD NOT REACH 1700 RPM. ADJUSTED PROP RPM LEVER, OPS CHECKED SYSTEM SATISFACTORY.SDR CA020522003Pcu · failed(CAN) T/O ABORTED DUE TO "POWERPLANT" MESSAGE ON ED. AFTER TAXING OFF THE RUNWAY AND RT POWER LEVER IN DISC, PROP OSG TEST IN PROG AND ABORT APPEARS UNCOMMANDED. ENGINE RUN PERFORMED, OSG TEST PERFORMED SUCCESSFULLY BUT WHEN POWER LEVER GOES FROM FLIGHT IDLE BSDR AUS20020482Control Cable · faulty(AUS) CSU CONTROL SYSTEM OUTER CABLE STRETCHED.SDR CA020507022Spring · broken(CAN) A STUDENT PILOT REPORTED TO MAINTENANCE THAT ON A GROUND RUN OF THE AIRCRAFT THAT THE PROPELLER WOULD NOT CYCLE WHEN THE CONTROL WAS PULLED OUT TO PUT THE PROP INTO COARSE PITCH. INVESTIGATION FOUND THAT THE PROP CONTROL FLAT SPRINGS THAT HOLD THE PROP CSDR CA020403005Drive Unit · broken(CAN) A/C DEPARTED AT APPROX 02:00 ZULU ON APR 2 ON IFR FLT TO VANCOUVER. DURING INITIAL STAGE OF CLIMB, RT ENGINE RPM BEGAN TO FLUCTUATE & OVERSPEED. PILOTS TRIED TO CONTROL IT WITH THROTTLE & PROPELLER CONTROLS BUT WHERE UNSUCCESSFUL & CHOOSE TO FEATHER ENGISDR AUS20020275Rod End · disconnected(AUS) PROPELLER GOVERNOR CONTROL ROD RODEND DISCONNECTED.SDR QXEA0200478Controller · malfunctionedSMF - ON POWER REDUCTION RECEIVED NR 1 PEC LIGHT AND NR 1 PROP OVERSPEED. SHUTDOWN NR 1 ENGINE, LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PEC, OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR SWIA200210705Pcu · malfunctionedNP AND TQ FLUCTUATE IN CLIMB AND ON APPROACH ON ENGINE NR 1. TQ 2 PERCENT, NP 0.8 PERCENT. INSTALLED SERVICEABLE LEFT PCU IAW MM 61-21-00. OPS CHECK GOOD. NO TORQUE FLUCTUATIONS OR LEAKS NOTED.SDR HNAA0200022Pcu · malfunctionedDURING TAKEOFF AFTER V1 NR 1 PROP RPM DROPPED TO 1188 FOR 5 SECONDS. REPLACED PROP CONTROL UNIT.SDR AUS20020095Cable · wrong part(AUS) LT PROPELLER CONTROL CABLE DIAMETER WAS FOUND TO BE LESS THAN THE DIAMETER OF THE RH SIDE CABLE. LT CABLE WAS4.762MM (0.1875IN) INDIAMETER AND THE RT CABLE WAS 6.350MM (0.25IN). UNAPPROVED PART.SDR CA020215012Pcu · seized(CAN) TAKEOFF WAS ABORTED FROM YVP AFTER MIN TORQUE WAS NOT OBSERVED AND THE RT ENGINE PROCEEDED TO AUTO-FEATHER. ON REMOVAL OF THE PCU IT WAS NOTICED THAT THE DRIVE GEAR HAD SEIZED AND SHEARED THE PCU DRIVE QUILL SHAFT. A SERVICEABLE PCU AND PCU QUILL SHAFTSDR LR7A02006Stud · looseAFTER TAKEOFF FROM DNA, FLIGHT CREW NOTED NR. 3 PROP LOW OIL LIGHT ON. RPM INCREASED TO 106%. SHUTDOWN ACCOMPLISHED IAW QRH. CONTINUED TO OKO AND LANDED WITHOUT INCIDENT.FOUND NR. 3 PROPELLER 1 EA. VALVE HOUSING HOLD DOWN STUD LOOSE IN PUMP HOUSING CAUSING SDR CA020201003Pcu · failed(CAN) JOURNEY LOG: TAKEOFF ABORTED DUE TO ENGINE NR 2 TORQUE NOT PASSING 60 PERCENT. ON SHUTDOWN PROP NR 2 WOULD NOT FEATHER. AIRCRAFT RETURNED TO GATE DUE TO NR 2 ENGINE SLUGGISH TO ACCELERATE, PROP FOUND NOT TO BE FEATHERING AUTOMATICALLY OR MANUALLY. INSPSDR CHQ00095Computer · malfunctionedAUTO COARSEN PROBLEM CAUSING ABORTED TAKEOFF. PILOT ABORTED T/O AND PERFORMED RUN UP AUTO COARSEN, CHECKED GOOD.SDR RAIA00201019Beta Switch · malfunctioned5453-BMI- RIGHT BETA LIGHT CAME ON AT V1. MAINTENANCE REMOVED AND REPLACED RIGHT BETA SWITCH. OPS OK ON GROUND RUN.SDR RAIA00201017Beta Switch · intermittent5623-STL- DURING TAXI LEFT GREEN BETA LIGHT WAS INTERMITTENT. MAINTENANCE REMOVED AND REPLACED THE LEFT BETA SWITCH.SDR OG52002F00000Pitch Control · crackedDURING SCHEDULED INSPECTION PITCH CYLINDER OF THE PROPELLER ASSEMBLY, WAS FOUND TO BE CRACKED ON THE FORWARD END. THE CRACK EXTENDED FROM BOTH SIDES OF THE LOW PITCH STOP NUT OUT BOARD.SDR HNAA0100080Pump · leakingON TAKEOFF ROLL, TORQUE ON NR 2 ENGINE WENT TO 122 PERCENT. RETURNED TO GATE. FOUND LARGE AMOUNT OF FLUID LEAKING FROM NR 2 ENGINE AND PROP AREA. NO CAUTION LIGHT OR WARNING LIGHTS. REMOVED AND REPLACED PCU PUMP.SDR AUS20011371Control Cable · fouled(AUS) RT PROPELLER CONDITION LEVER CONTROL CABLE HOOKED IN CEILING TRIM ATTACHMENT BRACKET.SDR 2002FA0000024Control Cable · brokenPILOT COMPLAINED THAT THE PROPELLER CONTROL WAS HARD TO MOVE. WHEN TECHNICIAN INVESTIGATED, THE CONTROL CABLE BROKE AND CAME OFF IN TECHNICIAN`S HAND. REMOVED AND REPLACED CONTROL WITH NEW PART.SDR 2001FA0000644Pin · brokenPILOT NOTICED SEVERE VIBRATION IN LEFT ENGINE, SHUTDOWN AND ATTEMPTED FEATHER, WOULD NOT FEATHER, LANDED. FOUND 1 BLADE IN FEATHER AND FREE TO ROTATE. INSPECTION REVEALED 1 ACTUATING PIN HAD FRACTURED IN THREADS. PIN HOLE IN FERRULE NOT DRILLED AND TAPPED DSDR CHQ00035Controller · malfunctionedAUTO COURSEN WILL NOT ARM AND C TOT INOP.SDR SWIA200110270Pcu · malfunctionedSHORTLY AFTER TAKEOFF, NOTICED ENGINES EXTREMELY OUT OF SYNC. COULD NOT FIX PROBLEM BY CHANGING POWER. RETURNED TO LAND. NR 2 ENGINE WAS AT 98 PERCENT WHILE NR 1 ENGINE WAS AT 100.1 PERCENT. REMOVED AND REPLACED RIGHT PCU IAW MM 61-21-00 AND 61-20-02.SDR CA011025001Controller · malfunctioned(CAN) UN-COMMANDED AUTO FEATHER DURING CRUISE FLIGHT . NR 2 ENGINE SHUTDOWN , AIRCRAFT RETURNED TO DEPARTURE BASE . MAINTENANCE REPLACED NR 2 ENGINE & PROP ASSEMBLIES , INVESTIGATION INTO CAUSE ONGOING.SDR 2001FA0000610Bearing · brokenPROPELLER GOVERNOR CABLE EXTREMELY STIFF WITH POSSIBLE BROKEN WIRE INSIDE OUTER SHROUD. THIS CAUSED THE THROTTLE LEVER BEARING, WHERE THE ROD END FOR THE PROP GOVERNOR CABLE ATTACHES TO THE THROTTLE LEVER, TO BREAK APART. THE STRENGTH OF THE BEARING FOR THISSDR CA011003001Nut · misinstalled(CAN) THIS IS 2ND OCCURANCE OF PROBLEM. PROP INSTALLED ON OTHER ENGINE HAD SAME PROBLEM. BOTH PROPS WERE NEW WITH ASSY DATES OF 11-13-97&12-18-97, SHIPPED 4/16/98. PROP CHECKED AS PRECAUTIONARY MEASURE: NUT IS SOLID STEEL SELF LOCKING NUT, THAT HOLDS PISTON SDR SWIA200110116Rod End · wornABORTED TAKEOFF DUE TO RIGHT ENGINE TORQUE FLUCTUATIONS. DEFERRED PER MEL 73-21-1. TROUBLESHOT SYSTEM. FOUND A WORN ROD END ON THE RIGHT ENGINE PCU. REPLACED THE ROD END AND PERFORMED AN OPS CHECK OF ENGINE. ALL CHECKS GOOD.SDR RAIA00108012Propeller · overspeed5422-EWR-DURING DESCENT THE LEFT ENGINE RPM WENT TO 105.9%, CREW PERFORMED ENGINE SHUTDOWN, AIRCRAFT LANDED WITHOUT INCEDENT. MAINTENANCE INSPECTED AND REPLACED THE LEFT PROPELLER. PERFORMED A MAINTENANCE CHECK FLIGHT, AIRCRAFT OPERATED NORMALLY.SDR RAIA00108008Governor · failed5403-RIC-LEFT ENGINE OVERSPEED, 105.9% ON DESCENT, WOULD NOT COME DOWN, CREW PERFORMED ENGINE SHUTDOWN, LANDED WITHOUT INCEDENT. MAINTENANCE INSPECTED AND REPLACED THE LEFT ENGINE PROPELLER GOVERNOR, PERFORMED CHECK FLIGHT, SYSTEM OPERATED NORMALLY.SDR CA010822001Controller · fluctuates(CAN) DURING TAKEOFF ROLL THE POWER ON THE LT ENGINE WOULD FLUCTUATE BETWEEN 80 AND 100 PERCENT. THE LT PROPELLER WAS REPLACED, RESOLVING THE PROBLEM. THE REMOVED PROPELLER WAS SENT TO A REPAIR FACILITY FOR FURTHER INSPECTION.SDR SWIA200110043Pcu · defectiveLEFT ENGINE TORQUE FLUCTUATION AT +30 TO -30 PERCENT ON CLIMBOUT. RETURNED TO SLC FOR NORMAL LANDING. ATTEMPTED TO FLY WITH EEC'S OFF, NO CHANGE. REMOVED AND REPLACED PCU ON LEFT ENGINE. OPS CHECKS, LEAK CHECKS GOOD. P/N: 782490-46 S/N ON: 900528 S/N OFF: 8SDR PIV2001F00000Governor · out of rigPILOTS ADVANCED POWER LEVER TO OBTAIN T/O POWER. NOTICED RIGHT ENGINE DID NOT OBTAIN REQUIRED TORQUE FOR T/O. TAKE OFF WAS ABORTED AND AIRCRAFT RETURNED TO BASE. PRIOR: A PROP GOVERNOR WAS REPLACED DUE TO TORQUE CREEPING UP BY 500 LBS. PROP GOVERNOR WAS RISDR CA010625005Control Cable · broken(CAN) WHILE OPERATING IN CRUISE FLIGHT, A SELECTION OF THE PROPELLOR LEVER CONTROL FOR THE RIGHT ENGINE WAS MADE WITH NO CHANGE IN PROP RPM. ANOTHER SETTING WAS TRIED WITH NO RESPONSE. THE RPM REAMINED AT 1900. THE FLIGHT ROUTIG WAS CANCELLED AND TH AIRCRAFT RSDR 2001FA0000046Cam · mismanufacturedRECEIVED A NEWLY OVERHAULED P.P.C. FROM MANUFACTURER, WAS UNABLE TO RIG. FOUND P.P.C. CAM HAD THE RIGHT PN BUT THE WRONG CAM PROFILE MANUFACTURE IN IT. REF: SB TPE331-72-0904.SDR AUS20010613Spring · broken(AUS) LH PROPELLER PITCH CONTROL LEVER FEATHER DETENT FEEL SPRING BROKEN.SDR MALA010508Control Unit · fluctuatesDURING FLIGHT 3200 OUT OF DTW, LT PROP RPM FLUCTUATES AFTER T/O. LT PROP CYCLED 20-30 RPM WITH SYNC ON, TURNED PROP SYNC OFF, NO HELP. MOVE CONDITION LEVER, NO HELP. LT PROP OIL PSI=100 PSI AND OIL TEMP WAS IN GREEN ARC. AIR RETURN TO DTW. MAINTENANCE RAN
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