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 QXEA2015040100171Transducer · malfunctionedREJECTED TAKEOFF, POWERPLANT MSG ON ENGINE DISPLAY. ABORTED AT 80 KTS IAS. NORMAL BRAKING USED DURING ABORT. R & R NR 1 ENGINE BETA FEEDBACK TRANSDUCER IAW AMM 61-20-11-000-801, 61-201-11-400-801. OPS TEST GOOD. FUNCTIONAL CHECK OF PEC IS GOOD. POST-INSTALLApr 1, 2015 · N400QX · Bombdr DHC8402SDR HYIA20150326001Nut · missingPILOT REPORTED RT PROPELLER STUCK AT RED LINE. INSPECTED & FOUND PROP GOVERNOR CONTROL CABLE ROD END NUT MISSING. INSTALLED NEW SPACER & NUT. OPERATIONS CHECKED WITH NO FURTHER DEFECTS NOTED.Mar 21, 2015 · N2748Y · Cessna 402CSDR QXEA2015031700147Seal · failedNR 2 PROPELLER TOOK 43 SECONDS TO UNFEATHER AFTER ENGINE START. REPLACED NR 2 PROPELLER PISTION SEAL AS THE LAST ACTION. OPS CHECKS GOOD. RETURNED TO SERVICE.Mar 17, 2015 · N430QX · Bombdr DHC8402SDR HNAA2015030900079Control Unit · malfunctionedWHILE APPLYING TAKEOFF POWER, NR 2 PROP FEATHERED. ARM LIGHT WAS NOT ILLUMINATED. R & R NR 2 ENGINE TSCU. OPS CHECKED GOOD IAW PIEDMONT RUN UP MANUAL.Mar 9, 2015 · N343EN · Dhav DHC8311SDR QXEA2015030700110Unknown · unknownON TAKEOFF ROLL, AUTOFEATHER ARM MESSAGE DID NOT APPEAR AS POWER LEVERS WERE ADVANCED INTO THE RATING DETENT. TAKEOFF ABORT PERFORMED ABOUT 65 KTS. INTERROGATED CDS/EMU FOR PROP & POWERPLANT FAULTS.NO FAULTS NO FAULTS RECORDED PERFORM OPS TEST OF PROPELLER AMar 7, 2015 · N445QX · Bombdr DHC8402SDR CA150309003Control Unit · failed(CAN) IAW VERBAL REPORT, ACFT WAS ON CLIMBOUT WHEN FLIGHT CREW OBSERVED NR 2 PROPELLER OVERSPEED. FLIGHT CREW SHUTTED DOWN ENGINE NR 2 AND RETURNED FOR A NORMAL LANDING. PCU AND PEC REPLACED.Mar 5, 2015 · Bombdr DHC8400SDR QXEA2015030100105Control Unit · malfunctionedAFTER ENGINE START MOVED BOTH CONDITION LEVERS TO MAX/1020. NR 2 PROP WOULD NOT COME OUT OF FEATHER. R & R 2 OVERSPEED GOVERNOR AND NR 2 PEC. OPS TEST GOOD. NO FURTHER DEFECTS NOTED.Mar 1, 2015 · N415QX · Bombdr DHC8402SDR CA150223013Control Unit · malfunctioned(CAN) FIRST FLIGHT OF THE DAY. AUTOFEATHER TEST WAS SUCESSFULLY PERFORMED DURING PREFLIGHT PREPARATION. DURING TAKE-OFF ROLL THE AUTOFEATHER SYTEM DIDN`T ARM. THE TAKE-OFF WAS ABORTED ACCORDING SOP PASSING 50KIAS. THE AIRCRAFT WAS TAXIED BACK TO THE RAMP.Feb 19, 2015 · Bombdr DHC8400SDR CA150223011Control Unit · malfunctioned(CAN) AFTER TAKE OFF THE CREW GOT POWER PLANT MESSAGE ALONG WITH NR 2 PEC CAUTION LIGHT, THE PROP NR 2 BECAME UNCONTROLLABLE . SHUT DOWN THE NR 2 ENG AND LAND SAFELY. MAINTENANCE RETRIEVAL OF FAULT CODES: 236 & 260.Feb 19, 2015 · Bombdr DHC8400SDR NQ3R20150219001Beta Switch · intermittentTHE BETA SWITCH IS INSTALLED IN THE HS PROPELLER CONTROL UNIT, PN 782490-50 AND FITTED TO ACFT THAT ILLUMINATES A BETA LIGHT AND WILL ACTIVATE THE AUTO FEATHER SYSTEM AT 50 FT AGL IF THE SWITCH HANGS IN BETA AND POWER LEVERS ARE ADVANCED ABOVE FLIGHT IDLE APPRFeb 17, 2015 · Doug DC8*SDR CA150217007Controller · malfunctioned(CAN) NR 1 PRECAUTION LIGHT. NR 1 PROPELLER RPM ONLY REACHED 1000 DURING TAKEOFF ROLL. WHEN PILOT REDUCED CL TO 900, THE PROPELLER RPM FLUCTUATED AROUND 850 RPM. WHEN CL REDUCED TO 850, THE PROP RPM DROPPED TO 600 & THE NR 1 PRECAUTION ILLUMINATED. THE ENGFeb 13, 2015 · Bombdr DHC8400SDR QXEA2015021300081Governor · malfunctionedNR 2 PROPELLER DID NOT FULLY FEATHER ON ENGINE SHUTDOWN. R & R NR 2 ENGINE OVERSPEED GOVERNOR IAW AMM TASKS 61-20-26-000-801 AND 61-20-26-400-801, OPS TEST, LEAK CHECK GOOD. NO FURTHER DEFECTS NOTED. NR 2 PROP FULLY FEATHERS ON SHUTDOWN. RETURNED TO SERVICEFeb 13, 2015 · N405QX · Bombdr DHC8402SDR QXEA2015021300076Control Unit · malfunctionedSHORTLY AFTER ROTATION THE LT PROPELLER RPM SETTLED AT 1000 RPM AT ACCEL HEIGHT, MOVED THE CONDITION LEVERS TO 900 RPM. THE LT PROPELLER SETTLED AT ABOUT 860 -+- 20 RPM AT 2500 FT, SET THE CONDITION LEVERS TO 850 RPM THE LT PROPELLER RPM FELL TO ABOUT 600 RPFeb 13, 2015 · N437QX · Bombdr DHC8402SDR 29GA2015021000001Computer · malfunctionedLEFT PROPELLER AUTOCOARSEN ON FINAL APPROACH. REPLACED AUTO COARSEN COMPUTER, SWITCH, AND PRESSURE SENSOR OPS SATISFACTORY.Feb 6, 2015 · N412XJ · Saab 340BSDR CA150108004Cable · broken(CAN) PROP WILL NOT INDICATE GOVERNING ABOVE 1800 RPM WITH PROP LEVER FULL FORWARD. FOUND PROP CABLE BROKEN.Jan 5, 2015 · Cessna 208BSDR OZCA20141231010Pressure Switch · defectiveDURING DESCENT NR 1 ENG AUTO COARSENED. TROUBLE SHOT SYS & PERFORMED GND OPERATIONAL CHECKS OF AUTO COARSEN SYS. ALL CHECKED SATISFACTORY. R & R LT AUTO COARSEN PRESS SWITCH IAW MM. OPERATIONAL CHECKED SATISFACTORY.Dec 31, 2014 · N431BC · Saab 340BSDR CA150120007Beta Switch · failed(CAN) AFTER LANDING, WHEN MOVING THE PROPELLER TO DISC, ONE ENGINE STAYED AT A HIGHER RPM FOR 2 TO 3 SECONDS WHILE THE OTHER ENGINE RPM DROPPED. THE CONSEQUENCE OF THESE DIFFERENCES RESULTED IN A HIGH YAW IN THE AIRCRAFT AND THE AIRCRAFT TURNED OFF THE RUNWAY.Dec 29, 2014 · Dhav DHC8202SDR SWIA2014120840297Control Unit · out of adjustRETURNED TO THE FIELD WITH A LEFT PROPELLER SPEED THAT WAS FLUCTUATING APPROXIMATELY ONE PERCENT WITH SYNC ON OR OFF. ADJUSTED LT ENGINE PCU. PERFORMED ENGINE RUN WITH NO FURTHER FAULTS FOUND. OPS CHECKED GOOD.Dec 7, 2014 · N299SW · Emb EMB120ERSDR RU3A20141112040Solenoid · dirtyWITH FLAPS IN APPROACH MODE, ACFT EXPERIENCED SLIGHT YAW TO THE RT. AS POWER WAS FURTHER REDUCED FOR LANDING, THE YAW INCREASED. PILOT WAS UNABLE TO CORRECT WITH RUDDER & AILERON. AFTER GO AROUND AT SAFE ALTITUDE, FLIGHT CREW ATTEMPTED TO DUPLICATE THE PROBOct 30, 2014 · N75 · Beech 300BEECHSDR GCNA20141030001Engine · shutdownPILOT TOOKOFF, THEN REPORTED THAT AT 400 FEET AGL AFTER TAKEOFF, CREW HEARD WEIRD NOISES AND FELT PITCH CHANGES. RIGHT TORQUE INDICATED HIGH, WITH RT PROP RPM FLUCTUATING. RIGHT ENGINE WAS SHUTDOWN AND CREW RETURNED TO DEPARTURE WITH NO FURTHER INCIDENT.Oct 29, 2014 · N173GC · Dhav DHC6300SDR 29GA2014092500001Pressure Switch · intermittentRT ENGINE WENT INTO AUTOFEATHER FOUR TIMES ON SHORT FINAL, 200 FEET AGL. REPLACED RT ENGINE AUTOFEATHER LOW PRESSURE SWITCH OPS AND LEAK CHECKED GOOD.Sep 24, 2014 · N81535 · Beech 1900DSDR QXEA2014091900785Controller · malfunctionedENGINE POWERPLANT MESSAGE IN CRUISE FLT RETURNED TO FIELD. LANDING UNEVENTFUL. COMPLIED WITH EMU DOWNLOAD IAW MAINTENANCE 6773101. REPLACED NR 1 PEC IAW AMM TASK 61-20-36-000-801 AND 61-20-36-400-801, OPS CHECKED GOOD. PRIOR TO REMOVAL OF NR 1 PEC INTERROGSep 19, 2014 · N405QX · Bombdr DHC8402SDR CA140903005Control Unit · malfunctioned(CAN) . DURING TAKE OFF ROLL PILOT REPORTS, "POWERPLANT" MESSAGE ILLUMINATED ON ED AND AUTO FEATHER FAILED TO ARM. 2. TAKE OFF ABORTED AND AIRCRAFT RETURNED TO GATE. 3. PILOT WAS INSTRUCTED BY MCC TO CLEAR "POWERPLANT" MESSAGE, AS A RESULT OF THIS ACTION NO FAAug 29, 2014 · Bombdr DHC8400SDR SWIA201439199Control Unit · malfunctionedRT PROPELLER OVERSPEED AFTER TAKEOFF. CREW SAW 103.5 PERCENT WHEN THEY SHUT THE ENGINE DOWN. RETURNED TO DEPARTURE. R & R RT ENGINE PROPELLER CONTROL UNIT IAW AMM. OPS CHECKED GOOD.Aug 21, 2014 · N581SW · Emb EMB120ERSDR CA140812002Pump · low pressure(CAN) THE CREW REPORTED THAT THE NR 2 PROP WOULD NOT UNFEATHER AFTER START. AFTER EXTENSIVE TROUBLESHOOTING THE FAULT WAS TRACED TO THE OVERSPEED GOVERNOR PUMP. THE O/S GOVERNOR PUMP WAS REPLACED AND THE SYSTEM CHECKED SERVICEABLE.Aug 10, 2014 · Dhav DHC8102SDR CA140807007Control Unit · malfunctioned(CAN) INABILITY OF THE PROPELLER SYSTEM TO ACHIEVE 100% NP (1020 RPM). AIRCRAF HAD A REJECTED TAKE OFF. MAINTENANCE CREW REPLACE PROP CONTROL UNIT.Aug 5, 2014 · Bombdr DHC8400SDR QXEA2014080400647Governor · malfunctionedNR 2 RPM ONLY CAME TO 920 DURING TAKEOFF ROLL, NR 1 ROSE NORMAL TO 1020. ABORTED TAKEOFF AT 80KTS DID NOT APPLY EXCESSIVE BRAKING. INTERROGATED CDS FOUND NO FAULTS. C/W OSG TEST NR 2 ENG FAILED. R & R NR 2 OSG IAW AMM 61-20-26-000 & 400-801. C/W HS 61-003Aug 4, 2014 · N428QX · Bombdr DHC8402SDR QXEA2014071100574Light · inoperativeWITH AUTOFEATHER SELECT BUTTON PRESSED, THE "AF SELECT" DOES NOT APPEAR ON THE ED. FOUND FAULT CODE 494. C/W FIM 61-20-10-810-826 AND 61-20-00-810-805. AUTOFEATHER TEST PASSED. FAULT CODES CLEARED. RETURNED TO SERVICE.Jul 11, 2014 · N413QX · Bombdr DHC8402SDR QXEA2014070800573Governor · malfunctionedNR 1 ENGINE WOULD NOT COME OUT OF FEATHER. R & R NR 1 OVERSPEED GOVERNOR AMM TASK 61-20-26-000-801 AND 61-20-26-400-801. NO LEAKS FOUND, OSG TEST COMPLIED WITH. NO FURTHER DEFECTS FOUND. RETURNED TO SERVICE.Jul 8, 2014 · N404QX · Bombdr DHC8402SDR CA140703002Bolt · failed(CAN) DURING LEVEL OFF AFTER CLIMB SEQUENCE, THE PILOT SUDDENLY LOST CONTROL OF HIS SPEED LEVER AND THE ENGINE RPM WENT TO 97 PERCENT. THE PG CONTROL ARM HAS BEEN FOUND DISCONNECTED. NO MAINTENANCE WAS CARRIED OUT ON THE PG ASSEMBLY IN THE LAST SEVERAL MONTHJul 2, 2014 · Bag JETSTM3212SDR CA140625001Lever · malfunctioned(CAN) EMERGENCY LANDING IN A FIELD AFTER THE PILOTS NOTED THE RPM`S WERE SLOWLY BLEEDING AND THEY COULD NOT GET THE PROPELLER TO RESPOND TO INCREASED RPM ADJUSTMENTS. THE PROP BLED RPM`S UNTIL IT WENT INTO FEATHER AND THE PILOTS SAFELY LANDED THE ACFT IN A FIJun 18, 2014 · Cessna 208BSDR QXEA2014060800464Gearbox · leakingNR 2 ENGINE WOULD NOT UNFEATHER AFTER START. INTERROGATED CDS NO CODES FOUND IAW AMM 61-20-00-710-804. R & R OSG IAW AMM 61-20-26-000/400-801 NO HELP. LEAKAGE NOTED AT OSG. REMOVED OSG IAW AMM 61-20-26-00-801. REINSPECTED AND CLEANED SURFACE NO OBSTRUCTION Jun 8, 2014 · N430QX · Bombdr DHC8402SDR QXEA2014060300461Controller · no testAUTOFEATHER TEST FAILED FOR NR 2 ENGINE. COMPLIED WITH FIM TASK TASK 61-20-00-810-805. FOUND FAULTS 398, 404, 280, 282, 398 AND 70 ON NR 2 PEC. R & R NR 2 PEC IAW AMM 61-20-36-000-801/-400-801. C/W MAINTENANCE 671008. ALL OPS CHECKS GOOD. C/W OPS TEST OFJun 3, 2014 · N423QX · Bombdr DHC8402SDR SWIA201437727Propeller · overspeedRIGHT PROPELLER SPEED WENT TO 103.7 PERCENT RPM. CHANGED PCU AND TRANSFER TUBE. OPS CHECK GOOD.May 25, 2014 · N566SW · Emb EMB120ERSDR HNAA2014052300162Pcu · failedNR 2 PROPELLER OVERSPEED DURING TAKE OFF ROLL. ABORTED TAKEOFF. 1215 RPM FOR APPROXIMATELY 2 SECONDS. R & R NR 2 PCU IAW 61-10-01, 76-00-01Q AND 72-00-10Q.May 23, 2014 · N810EX · Dhav DHC8102SDR SWIA201437648Pcu · failedLEFT NP WENT TO 102.5 PERCENT, NP WITH CL MAX, REPLACED LT ENGINE PCU ASSY IAW AMM.May 14, 2014 · N234SW · Emb EMB120ERSDR SWIA201437647Pcu · out of adjustWITH CL AT MAX LEFT NP CONSISTENT AT 101.5 PERCENT. ADJUSTED LT PCU SPEED CONTROL SCREW .2500" COUNTER CLOCKWISE IAW CMM.May 14, 2014 · N234SW · Emb EMB120ERSDR SWIA201437642Pcu · out of adjustLEFT NP EXCEEDED MAX OF 101.0 DURING TAKEOFF, CLIMB, AND LANDING. WHEN PROP SYNC TURNED ON, CAUSED RIGHT NP TO EXCEED MAX. ADJUSTED LT PROP PCU ADJUSTMENT SCREW .1250" TURN CLOCKWISE.May 13, 2014 · N234SW · Emb EMB120ERSDR CA140522016Switch · intermittent(CAN) DURING CLIMB, PILOT OBSERVED PROP RPM AND TORQUE FLUCTUATIONS OF NR 1 ENGINE. RPM FLUCTUATING 700-1000 RPM WITH TORQUE FLUCTUATING 90 PERCENT-110 PERCENT. COMMANDED SHUTDOWN OF ENGINE CARRIED OUT BY CAPTAIN. IAW BBD RECOMMENDATION, TROUBLESHOOTING WAS FMay 3, 2014 · Dhav DHC8301SDR QMLA2014050114047Unknown · malfunctionedAFTER TOUCHING DOWN, REVERSE WAS SELECTED. THE PROPELLER INITIALLY WENT INTO REVERSE NORMALLY, AFTER A FEW SECONDS THE PROPELLER THEN WENT TO FLAT PITCH, RESULTING IN LOSS OF REVERSE EFFECTIVENESS.May 1, 2014 · N317NA · Pilats PC1245SDR QXEA2014041100299Governor · malfunctionedNR 2 PROPELLER TOOK APPROXIMATELY TWO AND A HALF TO THREE MINUTES TO COME OUT OF FEATHER, TAKING UP TO 30 SECONDS ON EARLIER LEGS. INTERROGATED CDS NO FAULTS FOUND, PERFORMED FUNCTION TEST OF PROPELLER TIME TO UNFEATHER. DID NOT PASS IAW AMM TASK 61-20-00-7Apr 11, 2014 · N406QX · Bombdr DHC8402SDR QXEA2014020300285Governor · malfunctionedNR 2 ENGINE SLOW TO COME OUT OF FEATHER. REPLACED NR 2 ENGINE OVER SPEED GOVERNOR IAW AMM TASKS 61-20-26-000-801 & 61-20-26-400-801. LEAK, OPS TEST & BONDING CHECKED GOOD. PERFORMED FUNCTIONAL TEST OF THE PROPELLER TIME TO UNFEATHER IAW AMM TASK 61-20-00-72Apr 3, 2014 · N446QX · Bombdr DHC8402SDR CA140402001Control Unit · failed(CAN) ACFT EXPERIENCED TORQUE FLUCTUATIONS IN CRUISE AND DESCENT 2.5 PERCENT. THE PROPELLER SHAFT SPEED NP WAS ALSO DROPPING 1 PERCENT. AIRCRAFT RETURNED TO BASE AND THE PROP CONTROL UNIT WAS FOUND AT FAULT. PCU REPLACED AND FLIGHT TEST COMPLETED, SATISFACTOMar 31, 2014 · Aerosp ATR42300SDR JJBA20140327014Pcu · malfunctionedCONDITION LEVER AT MAX, POWER LEVER BROUGHT TO FLIGHT IDLE, THE NR 1 RPM DROPPED FROM 789 TO 650 THEN WENT BACK UP. R & R NR 1 PCU.Mar 27, 2014 · N838CA · Dhav DHC8311SDR ERAA20140011Switch · defectiveAFTER TAKEOFF BELOW 400 FEET NR 2 PROP RPM BEGAN SURGING. FOUND BAD MICRO SWITCH 6141-S4 IN BETA BACK UP SYS. R & R SWITCH & OPERATIONS CHECKED GOOD IAW DHC-8 ENGINE RIG MANUAL.Mar 23, 2014 · N885EA · Dhav DHC8106SDR ERAA20140010Pcu · faultyPROP RPM & TORQUE FLUCTUATIONS BEGAN AT 400 FT PROP 970-1000, PROP CONTROL UNIT TORQUE 99.5-106%. RETURNED TO ANC. REPLACED NR 2 PCU FOR TROUBLESHOOTING. FOUND HIGH RESISTANCE IN PL SWITCH 6121 S12. R & R SAME & OPERATIONS CHECKED NORMAL IAW PSM 1-8-2 TR-EMar 22, 2014 · N885EA · Dhav DHC8106SDR JJBA20140309003Pcu · faultyNUMBER 1 PROP & TORQUE SURGING INTO THE RED LINE ON ROTATION. R & R NR 1 PCU.Mar 9, 2014 · N364PH · Dhav DHC8202SDR CA140320004Pcu · failed(CAN) DURING CLIMB, PROP TORQUE & ITT OBSERVED FLUCTUATING. NR 2 ENG WAS SHUT DOWN. RETURNED TO FIELD & UNEVENTFUL LANDING PERFORMED. R & R THE PROPELLER CONTROL UNIT & THE ACFT RETURNED TO SERVICE.Feb 27, 2014 · Bombdr DHC8401SDR A8OA2014F00068Pressure Switch · defectiveLEFT ENGINE AFX, AUTOFEATHER, ANNUNCIATOR DOES NOT ILLUMINATE WITH POWER LEVERS ABOVE 89-91 PERCENT N1.Feb 9, 2014 · N218YV · Beech 1900DSDR AWHA20140218001Lever · misinstalledPILOT EXPERIENCED A LOSS OF PROP RPM & PROP CONTROL. IMMEDIATELY CONTACTED ATC & DECLARED AN EMERGENCY. ATC GAVE DIRECTIONS, WEATHER & CLEARED TO NEAREST AIRPORT. PILOT REALIZED BECAUSE OF THE WINDS, WOULD BE UNABLE TO MAKE THE AIRPORT. ALSO, BECAUSE DESCEFeb 6, 2014 · N891FE · Cessna 208B
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