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.

SDR PK0S2016FA0000414Ball Joint · disconnectedDURING TAKEOFF, ENGINE RPM DECREASED TO 2200 RPM. THE PILOT MADE A SUCCESSFUL LANDING. UPON REMOVING THE TOP COWLING THE PROPELLER CONTROL CABLE BALL JOINT RECEIVER WAS FOUND DISCONNECTED FROM THE RECEPTACLE. THE RETENTION CLIP WAS IN PLACE AND WAS NOT FOUNAug 26, 2016 · N210SP · Piper PA28RT201SDR QXEA2016082100544Governor · malfunctionedNR 1 ENGINE IS SLOW TO UNFEATHER. PERFORMED FUNCTIONAL TEST OF TIME TO UNFEATHER IAW AMM 61-20-00-720-801. NR 2 PROPELLER WAS 16 SECONDS AND NR 1 WAS 21 SECONDS. REPLACED OVERSPEED GOVERNOR. RETURNED TO SERVICEAug 21, 2016 · N448QX · Bombdr DHC8402SDR QXEA2016072800483Propeller · overspeedUPON LANDING WITH ZERO FLAPS THE POWER LEVERS WERE MOMENTARILY BROUGHT SLIGHTLY BELOW FLIGHT IDLE. THE NR 1 PROP RPM WENT RED ON THE ED. PROP RPM WENT INTO NORMAL AFTER 12 SECONDS. REPLACED BOTH NR 1 PROPELLER ASSEMBLY AND ENGINE ASSEMBLY, AND NR 2 PROPELLER Jul 28, 2016 · N404QX · Bombdr DHC8402SDR QXEA2016072100462Governor · malfunctionedAFTER ENGINE START, THE NR 2 ENGINE PROPELLER TOOK 70 SECONDS TO COME OUT OF FEATHER. REPLACED NR 2 OSG, REPAIRED OSG MOUNT PAD ON RGB, AND REPLACED THE O-RINGS IN NR 2 PROPELLER PISTON. OPS & LEAK CHECKED GOOD. OKAY FOR SERVICE.Jul 21, 2016 · N437QX · Bombdr DHC8402SDR HYIA20160706001Clamp · loosePILOT REPORTED LT PROP LEVER DOES NOT CONTROL RPM, LT PROP WILL NOT FEATHER. MAINTENANCE INSPECTED AND FOUND THE LT PROPELLER GOVERNOR CONTROL CABLE BRACKET ATTACH CLAMPS TO BE LOOSE. MAINTENANCE ADJUSTED AND SECURED LT PROP GOVERNOR CABLE BRACKET IAW AMM CHJun 30, 2016 · N740CA · Cessna 402CSDR 2016FA0000306Return Spring · brokenWHILE IN CRUISE FLIGHT ABOVE 10,000 FEET, THERE WAS INSUFFICIENT PITCH TO REDUCE RPM TO CRUISE CONDITION. PROPELLER HUB DISASSEMBLED, AND FOUND A BROKEN PROPELLER RETURN SPRING WAS INTERFERING WITH THE HIGH PITCH STOP, SUCH THAT ONLY 27 DEGREES OF PITCH WERE Jun 23, 2016 · N210PF · Cessna P210NSDR QXEA2016060700379Controller · malfunctionedBEFORE TAKEOFF THE NR 1 ENGINE FEATHERED, FOLLOWED BY A POWERPLANT MESSAGE. REPLACED THE NR 1 ENGINE PEC IAW AMM 61-20-36-000-801 AND 61-20-36-400-801. PRIOR TO REMOVAL, FOUND FAULT CODES 270, 402, 338 ON CHANNEL A. CLEARED ALL FAULT CODES. RETURNED TO SERVIJun 7, 2016 · N430QX · Bombdr DHC8402SDR HYIA20160520004Lock Nut · disconnectedRIGHT PROP CONTROL LEVER, WILL NOT CHANGE PROP PITCH. INSPECTED & FOUND RIGHT PROP CONTROL CABLE DISCONNECTED FROM PROP GOVERNOR. REPLACED RT PROP CABLE ROD END BOLT & NUT WITH NEW IAW MM CH 61-20-00 & 20-10-01.May 18, 2016 · N57PB · Cessna 402CSDR NQ3R201605130001Bearing · brokenCUSTOMER SENT IN PROPELLER CONTROL UNIT FOR INSPECTION DUE TO A PIECE OF PLASTIC FOUND IN THE DRIVE GEAR. UPON DISASSEMBLY IT WAS FOUND TO BE PART OF THE BALL SPACER FROM THE GOVERNOR BEARING WHICH WAS IN PIECES WITH THE INNER AND OUTER RACES SEPARATED. RACEMay 11, 2016 · N814EX · Dhav DHC8102SDR QXEA2016041500262Autofeather Sys · malfunctionedAUTOFEATHER FAILED TO ARM ON TAKEOFF. ABORTED TAKEOFF AND RETURNED TO THE GATE. REF FIM TASK 61-20-00-810-805, FIM MCN 661292-001. INTERROGATED CDS, FOUND NR 1 ENGINE FAULT CODE 400B, PERFORMED AUTOFEATHER TEST, TEST FAILED, INTERROGATED CDS AGAIN, FOUND NR Apr 15, 2016 · N411QX · Bombdr DHC8402SDR QXEA2016040500244Governor · no testDURING OVERSPEED GOVERNOR TEST, NR 1 ENGINE OVERSPEED GOVERNOR FAILED TEST. FOUND FAULT CODE 238 ON NR 1 ENGINE. CLEANED THE CONNECTOR PLUG AND RESECURED. CLEARED FAULT AND PERFORMED ANOTHER OVERSPEED GOVERNOR CHECK. PASSED IAW FIM TASK 61-20-05-810-829 ANDApr 5, 2016 · N415QX · Bombdr DHC8402SDR QXEA2016040100232Governor · malfunctionedAFTER ENGINE START NR 1 PROPELLER TOOK AT LEAST 1 MINUTE LONGER TO COME OUT OF FEATHER THAN THE NR 2 ENGINE. PRESSED EVENT MARKER. PROPELLER DID EVENTUALLY COME OUT OF FEATHER ON ITS OWN. NR 1 PROPELLER GREASE LEVEL A LITTLE LOW, SERVICED NR 1 PROP W/GREASEApr 1, 2016 · N439QX · Bombdr DHC8402SDR QXEA2016032900226Governor · malfunctionedAFTER PUSHBACK THE NR 1 PROPELLER WOULD NOT COME OUT OF FEATHER. REPLACED THE OVERSPEED GOVERNOR AND THE PEC WIRING HARNESS. CHECKS GOOD. PROPELLER UNFEATHERS NORMALLY. RETURNED TO SERVICE.Mar 29, 2016 · N417QX · Bombdr DHC8402SDR QXEA2016032300217Control Unit · malfunctionedON DESCENT, NR 2 ENGINE TORQUE DROPPED TO 47 PERCENT. POWER LEVERS AROUND 50 PERCENT AND CONDITION LVRS AT 850. TORQUE ON RT ENGINE DROPPED BY HALF. NR 2 PEC CAUTION LIGHT ILLUMINATED. A FEW MINUTES LATER PROP RPM WENT TO 1070. ALSO HAD A POWER PLANT MSG.Mar 23, 2016 · N414QX · Bombdr DHC8402SDR 2016FA0000201Valve · out of limits(B-00101) DURING CRUISE, RT ENGINE PROPELLER RPM DROP TO 1340, TORQUE INDICATION RISE TO RED LINE. DURING DESCENT, WHEN ADJUSTING THE PROP LEVER, THE ENGINE PROPELLER RPM SOMETIMES NORMAL, SOMETIMES UNABLE TO CONTROL. PRIOR TO LANDING, ENGINE PROPELLER RPM DROFeb 17, 2016 · Beech B300B350CSDR QXEA2016021400139Control Unit · malfunctionedAFTER START UP OF ENGINE 2, THE ENGINE WOULD NOT COME OUT OF FEATHER. REPLACED THE NR 2 OVERSPEED GOVERNOR, PEC, PCU AND PREPELLER PISTON SEAL. RETURNED TO SERVICE.Feb 14, 2016 · N414QX · Bombdr DHC8402SDR CA160219005Control Unit · malfunctioned(CAN) ACFT HAD AN IN FLIGHT SHUTDOWN. PILOT REPORTING PROPELLER OVERSPEED TO 1050 RPM PILOT COMMANDED ENGINE SHUTDOWN AND PROP FEATHER.Feb 12, 2016 · Bombdr DHC8402SDR QXEA2016021200135Autofeather Sys · malfunctionedABORTED TAKEOFF AT 80 KNOTS FOR AUTOFEATHER FAILING TO ARM. REF FIM TASK 61-20-00-810-805. FOUND FAULTS 494 A AND B ON ENGINE 1 AND 206 A AND B ON ENGINE 1. FOUND ENGINE 1 NOT PASSING A/F CHECK, NR 2 PASSES. CYCLED POWER AND CLEARED FAULTS. A/F CHECKS GOOD IFeb 12, 2016 · N432QX · Bombdr DHC8402SDR CA160301002Engine · malfunctioned(CAN) THE AIRCRAFT WAS DEPARTING WHEN THE RIGHT ENGINE HAD AN ISSUE DURING LIFT OFF. THE AUTO FEATHER SYSTEM DID NOT FEATHER THE AFFECTED PROPELLER. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAND WITHOUT FURTHER INCIDENT. IT WAS FOUND THAT MAINTENFeb 11, 2016 · Beech C90ASDR QXEA2016012600064Governor · malfunctionedDURING ENGINE RUN FOR ACFT CHECK NR 2 ENGINE, TOOK 33 SECONDS TO UNFEATHER. C/W FIM TASK 61-20-00-810-803 TO STEPS 5, 5. R & R OVERSPEED GOVERNOR IAW TASK 61-20-26-000-801 & 400-801, PARA 1-5 C. PERFORMED FUNCTIONAL TEST OF THE PROPELLER TIME TO UNFEATHER TJan 26, 2016 · N431QX · Bombdr DHC8402SDR QXEA2016011700035Pump · malfunctionedWHILE TROUBLESHOOTING A PROP DE-ICE CAUTION DISCREPANCY, NR 1 PROP AUXILAIRY PUMP C/B A4 TRIPPED DURING UNFEATHER SEQUENCE OF NR 1 PROP. REPLACED NR 1 ENGINE FEATHERING PUMP IAW MM TASK 61-20-31-000-801 AND 61-20-31-400-801. NR 1 PROPELLER ALTERNATE FEATHER Jan 17, 2016 · N419QX · Bombdr DHC8402SDR QXEA2015120500639Power Lever · malfunctionedABORTED TAKEOFF DUE TO AUTOFEATHER NOT ARMING WITH POWER LEVERS IN RATING DETENT. ABORTED AT 50 KNOTS. PERFORMED EMU DOWNLOAD IAW MAINTENANCE 6773101. INTERROGATED CDS AND FOUND FAULT CODE 204 ON CHA, CHB OF NR 2 ENGINE. R & R POWER QUADRANT IAW AMM TASK 76Dec 5, 2015 · N422QX · Bombdr DHC8402SDR CA151116001Control Unit · faulty(CAN) DURING TAKEOFF PEC CAUTION LIGHT ILLUMINATED. PILOT REJECTED TAKEOFF AND RETURN TO GATE. MAINTENANCE REPLACE PROP ELECTRONIC CONTROL UNIT.Nov 10, 2015 · Bombdr DHC8400SDR CA151103008Angle · out of position(CAN) THE PILOT REPORTED THAT THE LT ENGINE WOULD ONLY STAY IN FEATHER IF THE PROP CONTROL LEVER IS HELD DOWN. IT WAS NOTED THAT THE AUTO FEATHER SYS TESTED SERVICEABLE. THE CLIP ITEM, NR 18 AS DEPICTED WAS INCORRECTLY POSITIONED ON THE FWD SIDE OF THE BRACKNov 1, 2015 · Beech 1900DSDR CA151105001Control Unit · malfunctioned(CAN) DURING TAKEOFF ROLL, THE NR 1 ENGINE ATTEMPTED TO AUTO FEATHER. TAKEOFF ABORTED. THE FLIGHT CREW DID AN AUTO FEATHER TEST AND NR 1 SEEMED TO WANT TO FEATHER IMMEDIATELY. MAINTENANCE ACTION: NR 2 TSCU WAS REPLACED.Oct 31, 2015 · Dhav DHC8102SDR QXEA2015101600536Electronic Unit · malfunctionedAUTOFEATHER DID NOT ARM ON TAKEOFF. ABORTED TAKEOFF. REPLACED THE NR 1 PEC IAW AMM 61-20-396-000/400-801. CLEARED FAULT CODES. RETURNED TO SERVICE.Oct 16, 2015 · N436QX · Bombdr DHC8402SDR CA151009010Control Unit · malfunctioned(CAN) NR 2 ENGINE PROPELLER FAILED TO RESPOND TO CONDITION LEVER POSITION WHEN SELECTED TO MAX. ENGINE NR 2 SECURED IAW ACFT QRH. ACFT LANDED SAFELY. ENGINEERING INVESTIGATING. NR 2 PROPELLER CONTROL UNIT, PC REPLACED. SYSTEM CHECKED SERVICEABLE. ACFT REOct 9, 2015 · Bombdr DHC8402SDR QXEA2015092700512Fadec · malfunctionedON TAKEOFF NR 2 PROP DID NOT REACH 1020 RPM UNTIL 100 KNOTS, WAS ABOUT 1012 BEFORE THEN. REPLACED THE NR 2 ENGINE FADEC. OPS CHECKS GOOD. RETURNED TO SERVICE.Sep 27, 2015 · N433QX · Bombdr DHC8402SDR LR7A2015091700608Housing · failedDURING CRUISE, NR 4 ENGINE FLAMED OUT. SHUTDOWN IAW QRH PROCEDURES. R & R VALVE HOUSING ASSY IAW HN61135.Sep 17, 2015 · N403LC · Lkheed 382GSDR LR7A2015090900607Housing · damagedDURING DESCENT, NR 4 ENGINE FLAMED OUT. SHUTDOWN IAW QRH PROCEDURES. R & R VALVE HOUSING ASSY.Sep 9, 2015 · N403LC · Lkheed 382GSDR QXEA2015090700451Controller · malfunctionedAUTOFEATHER FAILED OF ARM ON TAKEOFF. ABORTED TAKEOFF ABOUT 55 KNOTS. CHECKED CDS, NO FAULTS FOUND. DUE TO PREVIOUS FAULT, REPLACED NR 2 PEC. CREW PERFORMED HIGH SPEED TAXI, AUTOFEATHER ARMED NORMALLY. RETURNED TO SERVICE.Sep 7, 2015 · N422QX · Bombdr DHC8402SDR QXEA2015090100448Controller · malfunctionedDURING CLIMBOUT, POWERPLANT MESSAGE DISPLAYED. RETURNED TO FIELD, LANDING UNEVENTFUL. INTERAGATED CDS FOUND NR 2 PROPELLER FAULTS 130A, & 134A. CLEARED PEC FAULTS. INSPECTED SECURITY OF CONNECTORS ON NR 2 PEC AND NR 2 BETA FEED BACK TRANSDUCER. ELECTRICAL Sep 1, 2015 · N446QX · Bombdr DHC8402SDR QXEA2015082800447Pcu · malfunctionedAFTER NORMAL TAXI OUT TO THE RUNWAY END, THE NR 1 ENGINE PROPELLER WENT INTO FEATHER UNCOMMANDED TO 200 RPM. TAXI BACK TO THE GATE. AFTER 5 MINUTES TAXI BACK TO THE GATE, THE ENGINE CAME OUT OF FEATHER ON ITS OWN. REPLACED THE NR 1 PEC, CHANNEL "A" HARNESS Aug 28, 2015 · N448QX · Bombdr DHC8402SDR CA150826008Controller · faulty(CAN) POWERPLANT MESSAGE ON ENGINE DISPLAY, NR 1 PEC CAUTION LIGHT. TECHS FOUND FAULT CODE 200AB, PEC REPLACED.Aug 26, 2015 · Bombdr DHC8400SDR CA150825008Controller · malfunctioned(CAN) ON ENGINE SHUTDOWN, NR 1 PROP WOULD NOT GO INTO REVERSE. THE PROP PITCH CONTROL WAS FOUND TO BE UNSERVICEABLE AND BY PASSING OIL INTERNALLY.Aug 8, 2015 · Gulstm 690ASDR LR7A2015080800604Valve · failedDURING SCHEDULED FLIGHT, WHILE PERFORMING REINDEXING PROCEDURE, NR 1 ENGINE RPM DROPPED TO 97 PERCENT THEN INCREASED TO APPROXIMATELY 103 PERCENT AT WHICH TIME ENGINE WAS SHUTDOWN. REPLACED PROP VALVE HOUSING IAW HN61135.Aug 8, 2015 · N407LC · Lkheed 382GSDR CA150811004Control System · malfunctioned(CAN) DURING CLIMB RPM 1050 OUT OFF ENGM, WE EXPERIECED HIGH TOURQE ON ENGINE NUMBER 2 ABOVE FLIGHT LEVEL 180. SHUT DOWN ENGINE NR 2 AND RETURN TO LAND ACCORDING TO COMPANY PROCEDURE. DOWNLOADED FDR PCU REPLACED AFTER TROUBLESHOOTING AIRCRAFT RELEASED TO Aug 4, 2015 · Dhav DHC8*SDR CA150804001Coupling · damaged(CAN) WHILE DOING AUTO FEATHER CHECK RT PROPELLER WOULD NOT FEATHER. PROP WOULD FOLLOW POWER LEVER COMMANDS. FEATHER SOLENOID FOUND TO BE THE FAULT. THE COUPLING ASSY OF THE FEATHER SOLENOID CAME UNSCREWED. DUE TO THE FACT THAT IT WAS NO LOCK WIRED COUPLING ASAug 2, 2015 · Cvac 340CVACSDR HYIA20150729003Control Cable · disconnectedPILOT REPORTED NO PROPELLER RPM CONTROL THROUGH LEFT PROPELLER LEVER. FOUND LEFT PROPELLER CONTROL CABLE DISCONNECTED AT GOVERNOR. CONNECTED WITH PROPER HARDWARE IAW MM 61-20-00. OPS CHECKED GOOD.Jul 28, 2015 · N6183J · Cessna 402CSDR CA150729004Controller · malfunctioned(CAN) SHORTLY AFTER TAKEOFF, FLIGHT CREW NOTICED ERRONEOUS INDICATIONS ON NR 1 PROP WHICH GRADUALLY WORSENED AND BECAME UNCONTROLLABLE, PEC CAUTION, AND CREW SHUTDOWN ENGINE IAW E&A CHECK LIST. DECLARED EMERGENCY AND RETURNED TO FIELD. OVERWEIGHT LANDING AND Jul 22, 2015 · Bombdr DHC8400SDR QXEA2015072100398Control Unit · malfunctionedAT AROUND 10000', NR 1 ENGINE POWER SURGED & ENGINE INDICATION CAUTION, NR 1 TORQUE INCREASED TO APR 110 %, DROPPED TO 68 %, NR 1 PEC CAUTION, NR 1 PROP OVERSPEED, 1060 RPM ENG MESSAGE. C/W EMERGENCY ABNORMAL CHECKLISTS. SHUTDOWN NR 1 ENGINE. CONDITION LEVERJul 21, 2015 · N448QX · Bombdr DHC8402SDR CA150708011Pcu · contaminated(CAN) FLIGHT CREW: WHEN POWER WAS REDUCED TO DESCEND PROP SPEED BEGAN TO DECREASE. PROP LEVER WOULD NOT CONTROL PROP SPEED. PROP WAS FEATHERED AND ENGINE SHUT DOWN AS A PRECAUTION. MAINTENANCE: UPON MAINTENANCE INSPECTION THE PROPELLER CONTROL UNIT (PCU) WASJul 4, 2015 · Dhav DHC5ASDR CA150723006Collar · worn(CAN) AFTER TAKE OFF, ON INITIAL CLIMB BELOW 1000 FEET, THE LEFT PROPELLER RPM DROPPED RAPIDLY TO APPROX. 6 TO 700 RPM. TORQUE INCREASED TO 4300 FT/LBS BEFORE THE INCREASE WAS ARRESTED. THE PLANE WAS HANDLING POORLY AND THERE WERE CONCERNS THAT THE PROPELLER WJun 30, 2015 · Beech 1900CSDR CA150625003Actuator · malfunctioned(CAN) THE NR 2 ENG LOST POWER ON THE OVERSHOT FROM A BOMB RUN & WAS SHUTDOWN, RETURNED TO BASE. FOUND THE NR 2 PROPELLER ROTARY ACTUATOR TO BE OVER TRAVELLING. REPLACED U S ACTUATOR WITH A SERVICEABLE UNIT & RETURNED THE ACFT TO SERVICE.Jun 24, 2015 · Lkheed 188ASDR HYIA20150624002Linkage · unsecurePILOT REPORTED RPM LOSS ON THE RT ENG DROPPED FROM 2300 TO 2000 RPM. WOULD NOT CHANGE WHEN MOVING PROP LEVER. SECURED PROP LINKAGE IAW MM CH 61-20-00. OPERATIONALLY CHECKED GOOD.Jun 19, 2015 · N494BC · Cessna 402CSDR QXEA2015061600329Governor · malfunctionedAFTER ENGINE SHUTDOWN, THE NR 1 PROPELLER DID NOT FEATHER COMPLETELY. CHECKED CDS, NO FAULT CODES. WAS ABLE TO DUPLICATE NR 1 PROP NOT COMPLETELY FEATHERING. C/W FUNCTIONAL TEST OF THE PROP TIME TO UNFEATHER. TEST FAILED. R & R THE NR 1 OSG IAW AMM 61-20-26-Jun 16, 2015 · N408QX · Bombdr DHC8402SDR QXEA2015060700302Autofeather Sys · malfunctionedAUTOFEATHER TEST ABORT ON THE NR 1 ENGINE. FOUND NO FAULTS IN THE CDS SYSTEM. CYCLED ACFT POWER AND PERFORMED TESTS TWICE WITH NO FURTHER DEFECTS. RETURNED TO SERVICE. COULD NOT DUPLICATE.Jun 7, 2015 · N412QX · Bombdr DHC8402SDR CA150904009Control Cable · failed(CAN) THE PROP GOVERNOR CONTROL CABLE CLAMPS ARE SLIPPING ON ENGINE MOUNT OVER TIME CREATING A SLIGHT DECREASE IN TAKE OFF RPM.May 27, 2015 · Grumav G21ASDR QXEA2015040700187Governor · malfunctionedDURING CLIMB, THE NR 2 ENGINE PROPELLER NP ROLLED BACK TO APPROXIMATELY 970-980 RPM. ALSO NOTED A TORQ SPLIT BETWEEN NR 1 AND NR 2 ENGINE WITH NR 2 ENGINE APPROXIMATELY 2-3 PERCENT HIGHER. AFTER REDUCING PROP RPM TO 900 ALL INDICATIONS WERE NORMAL. USED 1020Apr 7, 2015 · N421QX · Bombdr DHC8402SDR 39LA20150404133Nut · out of positionTHE 2 ENG POWER LEVER HAD NO CONTROL OVER THE ENG DURING CRUISE FLIGHT. THE NR 2 ENG WAS SHUTDOWN IN FLIGHT & AN EMER WAS DECLARED. THE ACFT LANDED WITHOUT INCIDENT. INSPECTED NR 2 ENG CONTROL SYS & FOUND THAT THE NUT FOR THE PROPELLER PITCH CONTROL INPUT LApr 4, 2015 · N606AR · Casa C212CD
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