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 QXEA2018052900201Propeller · lack of lubeAFTER ENGINE START AND AFTER CONDITION LEVER SELECTED TO 1020RPM, THE NR 1 PROP TO GO OUT OF FEATHER. AFTER BEING INSTRUCTED BY MAINT TO PUT THE NR 1 PROP BACK TO START/FEATHER POSITION AND THEN BACK TO 1020RPM POSITION, IT TOOK THE PROP 35 SECONDS TO GET OUT May 26, 2018 · N447QX · Bombdr DHC8402SDR 2018FA0000523Control Cable · brokenPILOT REPORTED UNABLE TO OBTAIN RATED TAKE OFF POWER ON DEPARTURE AND PROPELLER CONTROLLER LEVER STIFF. ENGINE PERFORMANCE RUN OBSERVATION WAS THE GOVERNOR STARTED TO ENGAGE AT 2000RPM AND LIMITED FULL POWER RATING TO 2300RPM. 1" OF PLAY WAS OBSERVED, ALMOSTMay 25, 2018 · N333PB · Piper PA23250SDR FAA2018052500164Pressure Switch · intermittentAFTER TAKE OFF, AT 300 FT, THE NR 2 PROPELLER AUTOFEATHERED, THE AUTOFEATHER WAS SELECTED OFF AND THE PROPELLER UNFEATHERED AND RETURNED TO NORMAL OPS. TORQUE WAS OBSERVED BY THE CREW DURING THE AUTOFEATHER AND THE THROTTLE WAS RETARDED TO PREVENT AN OVER TORMay 25, 2018 · N153QS · Dhav DHC6SDR QXEA2018052200182Fault Code · false indicationNR 1 AUTOFEATHER TEST FAILED. REMOVED FROM SERVICE. INTERROGATED THE CDS, AND FOUND FAULT CODE 400A FOR THE NR 1 PROPELLOER IAW FIM 61-20-09-810-806, CLEARED FAULT AND PERFORMED AUTOFEATHER TEST, PASSED. FAULT REMAINS CLEAR. NO FURTHER DEFECTS. AIRCRAFTMay 19, 2018 · N402QX · Bombdr DHC8402SDR QXEA2019032200134Pcu · malfunctionedSHORTLY AFTER TAKEOFF THE NUMBER 2 TORQUE WAS SUPPOSED TO BE AT 90% AND WAS AT 94%, THE RPM WAS SUPPOSED TO BE 100% AND WAS 98%. NO SURGES, NO CAUTIONS. HAPPENED WHILE CLIMBING THROUGH 100. FOLLOWED ENGINE FAILURE CHECKLISTS AND MANUALLY SHUTDOWN #2 ENGINE.Mar 19, 2018 · N431QX · Bombdr DHC8402SDR QXEA2018032100109Pcu · inoperativePROPELLERS OUT OF FEATHER, NR 1 TORQUE 11 PERCENT, NR 2 TORQUE 1 PERCENT, NR 1 POWER LEVER SLOW TO RESPOND. REMOVED FROM SERVICE. INTERROGATED CDS, FAULT CODES 132 CH B & 224 CH A & B POSTED ON THE NR 1 ENGINE. REMOVED & REPLACED THE NR 1 PCU IAW AMM 6Mar 19, 2018 · N438QX · Bombdr DHC8402SDR QXEA2018031900096Controller · malfunctionedPOWERPLANT MESSAGE DISPLAYED ON ED. OCCURRED DURING CLIMB OUT. SLIGHT SURGE WAS FELT RIGHT BEFORE MESSAGE BEING DISPLAYED. REMOVED FROM SERVICE. INTERROGATED CDS & FOUND CODE 260. R & R THE PEC IAW 61-20-36-000/400-801. OPS CHECKED GOOD. NO POWERPLANT MEMar 16, 2018 · N417QX · Bombdr DHC8402SDR QXEA2018022600072Controller · malfunctionedDURING TAKE OFF ROLL, NR 1 PROPELLER SPEED LOW AT 980-990 RPM. TAKE OFF ABORTED. REMOVED FROM SERVICE. RAN THE NR 1 ENGINE AT RATING, NOTED NP AT 950. RESTARTED AND RAN AT RATING. SAME RESULTS. R & R THE NR 1 PEC IAW AMM 61-20-36-000-801 AND 61-20-36-400-80Feb 26, 2018 · N430QX · Bombdr DHC8402SDR QXEA2018022300068Control Unit · malfunctionedNR 1 ENGINE SLOW TO COME OUT OF FEATHER. NR 1 PROPELLER GREASE LEVEL IS NORMAL, NO SIGNS OF LEAKAGE AT THE NR 1 PCU AND OSG. PROPELLER WILL NOT UNFEATHER ALL THE WAY IN MANUAL MODE, ONLY MOVES A FEW DEGREES. PROP TIME TO UNFEATHER TEST WITH ENGINES RUNNINFeb 23, 2018 · N421QX · Bombdr DHC8402SDR QXEA2018012300025Control Panel · malfunctionedNR 1 PROPELLER DOES NOT FEATHER USING ALT FEATHER SWITCH AND LIGHT DOES NOT ILLUMINATE. REPLACED THE ENGINE FUEL, PROPELLER CONTROL PANEL IAW AMM 31-10-01-000-801, AND 31-10-01-400-801. OPS TESTED.Jan 22, 2018 · N423QX · Bombdr DHC8402SDR QXEA2018012200023Autofeather Sys · false indicationAUTOFEATHER SELF TEST WILL NOT TEST. REMOVED FROM SERVICE. PERFORMED OPERATIONAL TEST OF THE PROPELLER AUTO FEATHER AND UP TRIM SYSTEM IAW AMM 61-20-00-710-801. OPS TESTED GOOD, NO FAULT NOTED. AIRCRAFT RETURNED TO SERVICE.Jan 22, 2018 · N430QX · Bombdr DHC8402SDR QXEA2017110600661Circuit Breaker · openAUTOFEATHER TEST FAILED, SHOWS ABORT BELOW BOTH A/F TEST. REMOVED FROM SERVICE. NOTED FADEC 2 DU ON ED AND FAULT CODE 30 B IN CDS. FOUND THE CIRCUIT BREAKER LT ESS K6 PROP 2 PEC B OPEN. RESET THE CIRCUIT BREAKER IAW GPM 9.2.2.1. NO MESSAGE ON ED, FAULT CODE Nov 6, 2017 · N435QX · Bombdr DHC8402SDR QXEA2017110200660Controller · malfunctionedDURING A DAILY SYSTEMS CHECK, AUTOFEATHER FAILED MESSAGE FOR THE LEFT ENGINE AND ABORT MESSAGE FOR THE RIGHT ENGINE. REMOVED FROM SERVICE. CHECKED CDS FOUND FAULT CODE 398 B. COMPLIED WITH FIM 61-20-00-810-805. COMPLIED WITH NR 1 PEC. REMOVED AND REPLACED INov 1, 2017 · N415QX · Bombdr DHC8402SDR QXEA2017091500571Autofeather Sys · no testAUTOFEATHER TEST FAILED ON THE NR 1 ENGINE. REMOVED FROM SERVICE. INTERROGATED CDS. FOUND FAULTS 204A/B. CLEARED FAULTS. PERFORMED OPERATIONAL TEST OF THE AUTOFEATHER SYSTEM IAW AMM 61-20-00-710-805. NR 1 ENGINE PASSED, NO FAULTS IN CDS. RETURNED TO SERVICESep 14, 2017 · N439QX · Bombdr DHC8402SDR HNAA2017091400308Autofeather Sys · malfunctionedAUTO FEATHER FAILED TO ARM AT 65 KTS. REJECTED T/O AND RETURNED TO THE GATE. R & R THE NR 1 ENGINE, COMPLIED WITH AUTO FEATHER AND AUX FEATHER RUNS, IAW SRT MANUAL, OPS CHECKED GOOD.Sep 13, 2017 · N336EN · Dhav DHC8311SDR HNAA2017091400304Switch · lack of lubeREJECTED TAKE OFF DUE TO AT 60 PERCENT TORQUE AUTOFEATHER ARM LIGHT ILLUMINATED WITH TAKEOFF WARNING HORN. CLEANED AND LUBRICATED THE SWITCHES. R & R FLAP POSITION INDICATOR. OPS CHECKED GOOD, OK FOR SERVICE.Sep 9, 2017 · N837EN · Dhav DHC8102SDR HNAA2017091400303Actuator · failedAUTO FX WOULD NOT ARM. ABORTED TAKE OFF. R & R ACTUATORS FOR 6121-S10,11 FOR BEING FLAT SPOTTED. R & R CIRCUIT BREAKERS FOR LT G-10 & RT G10. CHECKED AUTO FX POWER LVR POTS FOR SERVICEABILITY, CHECKED GOOD. AUTO FX ARMING & STATIC TESTS GOOD IAW SRT MANUSep 8, 2017 · N336EN · Dhav DHC8311SDR QXEA2017090700549Controller · malfunctionedAUTO FEATHER DID NOT ARM ON TAKEOFF ROLL. AFTER LANDING PERFORMED A/F TEST, A/F TEST ON NR 1 ENGINE FAILED. REMOVED FROM SERVICE. C/W FIM TASK FOR CLEARING FAULT CODE 204. REPLACED NR 1 PEC IAW AMM 61-20-36-000/400-801. FAULT CLEARED, OPS CHECKS GOOD. AIRCRAFTSep 6, 2017 · N439QX · Bombdr DHC8402SDR QXEA2017090500547Retaining Ring · brokenNR 2 PROP WOULD NOT UNFEATHER VIA UNFEATHER SWITCH ON MTX PANEL. FOUND RING TERMINAL BROKEN OFF PROP 2 AUX PUMP CB (S4) REPLACED RING TERMINAL PER WM 20-12-15-1, OP TEST OF FEATHER PUMP GOOD IAW 61-20-00-710-802.Sep 4, 2017 · N403QX · Bombdr DHC8402SDR QXEA2017083100544Autofeather Sys · malfunctionedON TO AF SELECT DID NOT ARM. TAKEOFF ABORTED. AS INSTRUCTED BY MTX CONTROL ACCOMPLISHED AF TEST NR 1 ORIO AF TEST FAILED. REMOVED AIRCRAFT FROM SERVICE. CYCLED POWER ON AIRCRAFT PERFORMED OPS CHECK PROCEDURE. PROP AUTOFEATHER SYSTEM IAW AMM 61-20-00-710-Aug 30, 2017 · N439QX · Bombdr DHC8402SDR QXEA2017082300532Pcu · malfunctionedNR 1 PROPELLER IS PITCH LOCKED AT 660 RPM, BELOW FLIGHT IDLE, WILL NOT GO INTO REVERSE. REMOVED FROM SERVICE. REPLACED THE NR 1 OSG AND PCU, OPS & LEAK CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.Aug 20, 2017 · N403QX · Bombdr DHC8402SDR QXEA2017073100501Probe · out of toleranceCLIMBING THROUGH ABOUT 10500 FT POWER PLANT MESSAGE CAME ON . ALL ENGINE INDICATIONS NORMAL. RETURNED TO THE FIELD AND MADE A UNEVENTFUL LANDING. AIRCRAFT REMOVED FROM SERVICE. FAULT CODE IN CDS IS NR 2 ENG. C/W FIM 61-20-04-810-813. NO OBVIOUS DEFECTS FOUND. Jul 28, 2017 · N409QX · Bombdr DHC8402SDR QXEA2017071700473Autofeather Sys · malfunctionedAUTOFEATHER TEST DURING DAILY SYSTEMS CHECK SHOWS ABORT ON THE LEFT SIDE AND FAILED ON THE RIGHT SIDE. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOUND POWER LEVERS OUT OF POSITION . POSITION POWER LEVERS BACK AND PERFORMED AUTOFEATHER TEST. AUTOFEATHER TESTED GJul 15, 2017 · N421QX · Bombdr DHC8402SDR S9BA201707070003Link · separatedDURING TAKE OFF, THE PROPELLER DID NOT FOLLOW CONDITION LEVER POSITION. THE LINK AT THE PROPELLER CONTROL UNIT WAS FOUND SEPARATED DUE TO A LOCK WASHER THAT FAILED.Jul 6, 2017 · N350CJ · Saab 340BSDR QXEA2017070600450Governor · malfunctionedAFTER PUSHBACK, PUT BOTH CONDITION LEVERS TO MAX IAW FLOW, NR 2 PROPELLER CAME OUT OF FEATHER BUT NR 1 PROP STAYED AT 190 FOR AT LEAST FOUR MINUTES. ONLY CAME OUT OF FEATHER WHEN POWER WAS ADDED. AIRCRAFT REMOVED FROM SERVICE. NO FAULTS IN CDS. REMOVED AND RJul 3, 2017 · N438QX · Bombdr DHC8402SDR XKBA201706280001Control Cable · out of adjustLEFT PROPELLER WOULDN'T FEATHER DURING TRAINING. ADJUSTED THE TRAVEL ON THE GOVERNOR CONTROL AND PROP OPERATED NORMALLY AFTER ADJUSTMENT.Jun 28, 2017 · N24WE · Piper PA34220TSDR QXEA2017062700432Unknown · malfunctionedDURING DAILY SYSTEMS CHECK, AUTOFEATHER TEST SHOWS A/F TEST ABORT. REMOVED FROM SERVICE. FOUND C/B (J6) PROP 1 PEC A OPEN. RESET C/B IAW GPM 9.2.2. C/B REMAINED CLOSED. CHECKED PEC FAULTS IN CDS, NONE LISTED. PERFORMED OPS TEST OF AUTOFEATHER IAW AMM 61-20-00-Jun 26, 2017 · N420QX · Bombdr DHC8402SDR HNAA2017062300216Relay · malfunctionedUTO FX DID NOT ARM ON TAKEOFF ROLL WITH TQ UP TO 90 PERCENT. R & R THE NR 2 ENGINE TSEU AND ARM CONTROL RELAY. GROUND RAN ACFT IAW RUNUP MANUAL, OPS CHECKED GOOD. OKAY FOR SERVICE.Jun 23, 2017 · N327EN · Dhav DHC8311SDR QXEA2017060900406Control Unit · malfunctionedAFTER PUSHBACK BROUGHT PROPS OUT OF FEATHER AND THEN GOT A POWERPLANT MESSAGE ON ED. CDE REPORTED CODE 794. REPLACED NR 2 ENGINE PEC IAW AMM 61-20-36-00/400-801. OPS CHECKED NORMAL. ACFT OK FOR CONTINUED SERVICE.Jun 7, 2017 · N414QX · Bombdr DHC8402SDR HNAA2017060600198Propeller · malfunctionedWHEN PROPELLER LEVERS AT MAX FOR LANDING, RPM SPLIT MORE THAN 30 RPM. NR 1 ENGINE 1175 AND NR 2 AT 1120 RPM. GROUND RAN AIRCRAFT IAW GROUND RUN UP MANUAL AT MIN AND MAX POWER ALL PARAMETERS WITHIN LIMITS, OPS CHECKED GOOD, OK FOR SERVICE.Jun 4, 2017 · N337EN · Dhav DHC8311SDR RU3A20170525011Warning Light · intermittentLEFT PROPELLER PITCH LIGHT ILLUMINATED INTERMITTENTLY DURING FLIGHT,May 25, 2017 · N66 · Beech 300BEECHSDR QXEA2017050800343Autofeather Sys · malfunctionedDURING DAILY SYSTEMS CHECK, AUTOFEATHER TEST FAILED. INTERROGATED CDS, FOUND NR 2 PEC FAULT 402B. CLEARED FAULT AND PERFORMED OPS TEST OF AUTOFEATHER AND UPTRIM IAW AMM 61-20-00-710-801, IAW FIM 61-20-09-810-812, AND MCN 661292-001 ISSUE 1. TEST PASSED, NMay 5, 2017 · N419QX · Bombdr DHC8402SDR QXEA2017042700329Seal · defectivePROPELLER SLOW TO UNFEATHER, NR 2 ENGINE. REMOVED AND REPLACED NR 2 ENGINE PROPELLER PISTON SEAL REF AMM 61-10-00-960-801. FAILED ENGINE LEAK CHECK. REMOVED SPINNER & CLEANED PROP ASSY. PERFORMED APPLICABLE ENG RUNS, REF MTC 6710006 AFTER REINSTALLING SPINNER.Apr 25, 2017 · N442QX · Bombdr DHC8402SDR QXEA2017041700267Warning Light · false activationDURING DAILY CHECK, THE NR 1 AUTOFEATHER TEST INDICATED ABORT IN AMBER. NO FAULTS IN CDS PERTAINING TO AUTOFEATHER SYSTEM. COMPLIED WITH AN OPS CHECK OF PROPELLER AUTOFEATHER SYSTEM IAW MM 61-20-00-710-805. OPS CHECKED GOOD. FAULT DID NOT RETURN. NO PARTS REApr 15, 2017 · N436QX · Bombdr DHC8402SDR QXEA2017041700270Governor · malfunctionedAFTER START, THE NR 1 PROPELLER TAKES APPROXIMATELY 45 SECONDS TO UNFEATHER AFTER CONDITION LEVER IS MOVED TO MAX. NO ASSOCIATED FAULTS IN CDS. REPLACED THE NR 1 OVERSPEED GOVERNOR IAW AMM TASKS 61-20-26-000-801, AND 61-20-26-400-801, LEAK & OPS CHECKED GOOApr 12, 2017 · N418QX · Bombdr DHC8402SDR COEA2017032603805Module · failedDURING CLIMB, THE CREW RECEIVED A NR 2 SINGLE CHANNEL CAUTION. CREW ELECTED TO RETURN TO DEPARTURE. NO EMERGENCY DECLARED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENACE REPLACED THE PROPELLER VALVE MODULE. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERMar 26, 2017 · N805HC · Aerosp ATR42500SDR QXEA2017032700179Pitch Control · malfunctionedNR 2 OSG FAILED OPS CHECK. PROPELLER WILL NOT COME OUT OF FEATHER. REPLACED PROPELLER PISTON SEAL IAW AMM 61-10-00-960-801. NO HELP. 3517. REMOVED BETA TUBE PER MTC 6610001. REMOVED PCU #2 PER AMM 61-20-11-000-801. INSTALLED PCU PER AMM 61-20-11-400-801 STEPSMar 26, 2017 · N451QX · Bombdr DHC8402SDR QXEA2017021300058Controller · failedPOWERPLANT MESSAGE ON ED AT CRUISE. RETURNED TO FIELD. LANDING UNEVENTFUL. FOUND FAULT IN EMU NR 2 PROP 12B, 456A & B, 30B. UNABLE TO CLEAR FAULTS. REMOVED AND REPLACED NR 2 PEC IAW AMM TASK 61-20-36-000-801, AND 61-20-36-400-801. OPS CHECKED GOOD. RETURNFeb 12, 2017 · N439QX · Bombdr DHC8402SDR QXEA2017021300054Controller · malfunctionedCLIMBING THROUGH 7000 FT, POWERPLANT MESSAGE ILLUMINATED ON ED. NOTICED LEFT FUEL INLET TEMPERATURE FLUCTUATING RAPIDLY AND DISPLAYED DASHED LINES. FUEL INLET TEMP RETURNED TO NORMAL AND THEN REPEATED FLUCTUATION AFTER ABOUT 3 MINUTES. RETURNED TO FIELD. LFeb 9, 2017 · N452QX · Bombdr DHC8402SDR HNAA2016121900345Switch · dirtyAUTO FEATHER DID NOT ARM ON TAKEOFF ROLL. INSPECTED AND FOUND DIRTY MICRO SWITCHES, CLEANED AND LUBED, OPS CHECKED GOOD.OK FOR SERVICE AT THIS TIME.Dec 19, 2016 · N812EX · Dhav DHC8102SDR RU3A20161209013Lever · malfunctionedDURING APPROACH TO FULL-STOP LANDING, ATTEMPTED TO ADVANCE PROP LEVERS FROM 1500 RPM SETTING TO 1700 RMP. PROP LEVERS WOULD NOT ADVANCE FURTHER THAN 1540 RPM. BOTH PROP LEVERS WERE EXERCISED AND BINDING RELEASED.Dec 9, 2016 · N66 · Beech 300BEECHSDR QXEA2016120900792Governor · malfunctionedDURING PREFLIGHT, NR 2 PROP DID NOT APPEAR TO BE FULLY FEATHERED. REMOVED THE NR 2 OVERSPEED GOVERNOR IAW AMM 61-20-26-000-801. REPLACED #2 ENGINE OSG IAW AMM TASK 61-20-26-400-801. OPS TEST GOOD. LEAK CHECK GOOD. PERFORMED FUNTIONAL TEST OF PROP TIME TO UNFDec 9, 2016 · N439QX · Bombdr DHC8402SDR COEA2016120553801Ovrspeed Limiter · failedDURING CLIMB, THE CREW NOTICED THE NR 1 ENGINE WAS HAVING TORQUE FLUCTUATIONS AND SURGES. THE CREW ELECTED TO RETURN TO DEPARTURE. THE AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED PROPELLER OVERSPEED GOVERNOR. OPS CHECKED GOOD.Dec 5, 2016 · N801FX · Aerosp ATR72212SDR QXEA2016113000768Relay · malfunctionedABORTED TAKEOFF BELOW 80 KIAS DUE TO POWERPLANT MESSAGE ON ENGINE DISPLAY. REMOVED AND REINSTALLED PROPELLER ELECTRONIC CONTROL UNIT IAW AMM 61-20-36-000-801 & 61-20-36-400-801. REMOVED & REPLACED POWER QUADRANT IAW AMM TASK 76-10-01-000-801, 76-10-01-400-801.Nov 30, 2016 · N452QX · Bombdr DHC8402SDR LR7A2016092500949Housing · failedDURING SCHEDULED FLIGHT, THE NR 4 ENGINE FLAMED OUT DURING FINAL APPROACH. REPLACED THE NR 4 PROP CONTROL VALVE HOUSING IAW HN61135.Sep 25, 2016 · Lkheed 382GSDR 7C7A2016091900255Seal · leakingNR 2 ENGINE OIL PRESSURE WARNING ILLUMINATED. GAUGE INDICATED 50 PSI. ACCOMPOSHED LOW OIL PRESSURE QRH CHECKLIST. OIL PRESSURE INCREASED SLIGHTLY AND WARNING LIGHT WENT OUT AFTER APPROXIMATELY 3 MINUTES. NR 2 ENGINE OIL PRESSURE WARNING LIGHT CAME ON AGAIN.Sep 19, 2016 · N887EA · Dhav DHC8106SDR 7C7A2016091900254Line · leakingNR 1 ENGINE SHOWS SIGNS OF LEAKING FROM UNIT SPLIT LINE. REMOVED AND REPLACED PCU AND ADAPTOR SEALS. IAW CMM 61-22-00.Sep 19, 2016 · N887EA · Dhav DHC8106SDR QXEA2016091600582Seal · failedNR 1 ENGINE TOOK 1.5 MINUTES TO COME OUT OF FEATHER AFTER ENGINE START. REPLACED THE NR 1 ENGINE PROPELLER DOME SEALS. RETURNED TO SERVICE.Sep 16, 2016 · N418QX · Bombdr DHC8402SDR 7C7A2016090600253Seal · failedSHUT DOWN NR 1 ENGINE DUE TO LOW OIL PRESSURE, DETERMINED LEAK AT PROP SHAFT SEAL.Sep 6, 2016 · N891EA · Dhav DHC8106SDR QXEA2016082600563Seal · failedNR 2 ENGINE TOOK 1.5 MINUTES TO COME OUT OF FEATHER AFTER ENGINE START. REMOVED AND REPLACED THE NR 2 PROPELLER PISTON SEAL. IAW AMM 61-10-00-960-801. OPS TESTED GOOD, NO FURTHER DEFECTS NOTED AT THIS TIME. RETURNED TO SERVICE.Aug 28, 2016 · N416QX · Bombdr DHC8402
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