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 CA110427018Actuator · failed(CAN) NR1 ENGINES OIL PRESSURE WAS NOTICED TO BE FLUCTUATING FROM APPROXIMATELY 65 PSI TO 50 PSI. MALFUNCTION WAS CALLED, CREW CHECKED LT ENGINE COWL FOR LEAK AND NOTICED LEAKING OIL AROUND HORSE COLLAR AND UPPER LIP OF INTAKE. THE CREW THEN PROCEEDED TO RETApr 19, 2011 · Dhav DHC8102SDR CA110420004Control Unit · malfunctioned(CAN) AFTER TAKEOFF, BOTH PROPS AT 1020 RPM WHICH IS NORMAL. BUT WHEN I PULLED THE PROPS BACK TO 900 RPM, THE RT PROP WAS AT 880 RPM. THEN WHEN I WENT TO 850 RPM, THE RT PROP WENT TO 830 RPM. SHORTLY THEREAFTER, THE NR 2 PROP ELECTRONIC CONTROL, PEC, CAUTIOApr 16, 2011 · Bombdr DHC8400SDR QXEA2011042000289Control Unit · failedAFTER TAKEOFF, BOTH PROPS AT 1020 NORMAL. BUT WHEN THE PROPS WERE BACK TO 900 THE RT PROP WAS AT 880; THEN WHEN WENT TO 850 THE RT PROP WENT TO 830. SHORTLY THEREAFTER THE NR2 PEC CAUTION CAME ON, FOLLOWING THE CHECKLIST PUT BOTH CL TO MAX, THE RT PROP WENT TOApr 16, 2011 · N419QX · Bombdr DHC8402SDR CA110419007Controller · malfunctioned(CAN) POWERPLANT MESSAGE ON ED DURING CLIMBOUT. WIRING CHECKS PERFORMED AND NR 2 PEC REPLACEMENT IAW TASK 61-20-36-000-801 AND 61-20-36-400-801 DUE TO NR 1 CHANNELS A & B POWERPLANT FAULT 456 AND NR 2 CHANNEL B POWERPLANT FAULTS 456 AND 794. CLEARED FAULTS AApr 11, 2011 · Bombdr DHC8400SDR CA110406002Piston Rod · corroded(CAN) NEW PISTON ROD, PN D-5170, WAS TAKEN FROM INVENTORY & VISUALLY INSPECTED PRIOR TO INSTALLATION. CORROSION WAS FOUND INSIDE THE BORE ID OF THE O RING GROOVE. THIS PISTON ROD WAS PURCHASED FROM AN APPROVED DISTRIBUTER. PISTON ROD WAS REJECTED & SENT BACKApr 4, 2011SDR MASA2011032902272Actuator · faultyNR 2 PROP SLOW TO COME OUT OF FEATHER. MX REMOVED AND REPLACED PROP ACTUATOR.Mar 26, 2011 · N436YV · Dhav DHC8202SDR GUUA93761022811APropeller · malfunctionedDURING APPROACH RT ENG CYCLED BETWEEN 700 AND 1200 POUNDS OF TORQUE WITH ASSOCIATED RT AUTO FEATHER LIGHT. CHECKED AUTO FEATHER SWITCH SETTINGS AND PERFORMED MULTIPLE AUTOFEATHER TEST OPS CHECK NORMAL.Feb 28, 2011 · N38537 · Beech 1900DSDR CA110512005Yoke · wornPROP LEAKING OIL, REPLACED PROP ACTUATOR. TEAR DOWN REPORT INDICATES CHROME WORN ON YOKE INSIDE DIAMETER AND EARS.Feb 19, 2011SDR CA110210003Packing · damagedDURING FLIGHT, CREW OBSERVED NR 1 LOW OIL PRESSURE WARNING LIGHT ACTUAL PRESSURE INDICATING BELOW 40 PSI. CREW FOLLOWED QRH AND SHUT DOWN NR 1 ENGINE. ACFT LANDED WITHOUT ISSUE. MECHANICS PERFORMED GROUND INSP AND FOUND OIL LEAKAGE FROM PCU ADAPTER, THEY ADVIFeb 7, 2011 · Dhav DHC8301SDR CA110127003Csu · rough(CAN) FOLLOWING A PROPELLER REVERSE SELECTION WITH THE POWER CONTROL LEVER, RESISTANCE WAS NOTED MOVING BACK INTO BETA AND FWD OF IDLE DETENT. WHEN THE POWER LEVER WAS FORCED BEYOND THE IDLE DETENT THE ENGINE AND PROP BEGAN TO ACCELERATE WHILE STILL IN REVERSEJan 25, 2011 · Pilats PC1247SDR JJBA2011611229Tscu · inoperativeDURING TAKEOFF FROM, THE NR1 ENGINE TORQUE DROPPED, THEN SUFFERED A POWER LOSS. AIRCREW SHUTDOWN THE NR 1 ENGINE, NOTIFIED ATC OF THE MALFUNCTION, AND DECLARED AN EMERGENCY. ACFT RETURNED TO FIELD SAFELY. MX R & R THE NR 1 TSCU (TORQUE SIGNALING CONDITIONINJan 13, 2011 · N366PH · Dhav DHC8202SDR QXEA2011011300028Propeller · malfunctionedNR1 ENGINE SLOW TO COME OUT OF FEATHER APPROX 30 SEC. ALSO, SLOW TO GO INTO FEATHER APPROX 30 SEC. POST FLIGHT INSP, NR1 PROP NOT FULLY FEATHERED AFTER SHUTDOWN. PERFORMED A FUNCTIONAL TEST OF THE PROPELLER TIME TO UNFEATHER IAW AMM TASK 61-20-00-720-801, PJan 9, 2011 · N422QX · Bombdr DHC8402SDR QXEA2010121500893Pcu · malfunctionedDURING TAXI IN, AFTER LANDING, NR 2 ENGINE TOURQUE WOULD NOT GO BELOW 9 PERCENT THE NR 1 ENGINE TOURQUE WAS AT 1 PERCENT. THE GROUND RANGE LIGHT ON THE NR 2 PROP WAS NOT ILLUMINATED ON THE GROUND. R & R NR 2 ENGINE PCU IAW AMM 61-20-11-000-801 AND 61-20-11-4Dec 11, 2010 · N414QX · Bombdr DHC8402SDR MASA2010110801233Pcu · faultyNR 2 PROP GOES TO 1140 RPM ON FINAL. R2 PCU & ECU, OP GOOD.Nov 5, 2010 · N434YV · Dhav DHC8202SDR HNAA2010110200237Switch · malfunctionedPROP RPM AND TORQUE SURGE AFTER TAKEOFF. MX IN WEEK REPLACED POWER LEVER SWITCHS IAW ENGINE MANAGER. CHECKED OPS OF BETA LOCKOUT SWITCH 6121-S4 DUE TO NR2 PROP RPM TORQUE SURGE. FOUND SWITCH 6141-S4 INOP. R & R SWITCH IAW -8 MM 76-10-13. OPS CHECKED GOOD OOct 20, 2010 · N812EX · Dhav DHC8102SDR QXEA2010101100591Propeller · malfunctionedNR2 ENGINE TOOK LONGER THAN 30 SECONDS TO START AND FEATHER POSTION TO MIN 850 RPM. INTERROGATED CDS, FOUND NO FAULTS. PERFORMED FUNCTIONAL CHECK OF PROP TIME TO UNFEATHER ON NR2 ENG. IAW AMM TASK 61-20-00-720-801, NR2 PROP UNFEATHERED WITH IN TIME LIMITS, NO Oct 7, 2010 · N423QX · Bombdr DHC8402SDR 2010FA0001119Controller · separatedDURING TRAINING FLIGHT RT ENGINE WENT TO 2700 RPM. ACFT RETURNED TO BASE WITHOUT INCIDENT. UPON INSP OF RT ENGINE PROPELLER GOVERNOR AND CONTROL CABLE, IT WAS FOUND THAT THE PROPELLER GOVERNOR CONTROL CABLE HAD SEPARATED WHERE THE FACTORY HAD SEDGED THE THRESep 24, 2010 · N875AN · Beech 58SDR MASA2010092001008Signal Cond Unit · malfunctionedNR 1 PROP FEATHERS WHEN POWER LEVERS ARE ADVANCED. MX R2 NR 1 ENG TORQ SIGNAL CONDITIONING UNIT (TSCU).Sep 19, 2010 · N988HA · Dhav DHC8202SDR CA100823005Switch · stickingIN PREPARATION FOR TOUCHDOWN THE FLIGHT CREW MOVED THE ENGINE POWER LEVERS AFT TO THE FLIGHT IDLE GATE, RESULTING IN THE PROPELLER GROUND LOW PITCH SOLENOIDS CHANGING THE PROPR BLADE ANGLES TO A FINER PITCH WHILE THE ACFT WAS STILL AIRBORNE. RESULTING IN A SAug 11, 2010 · Beech B300SDR ZB0R201000006Controller · frozen(ZB0R) DURING PREFLIGHT RUNUP, PILOT FOUND RT PROPELLER CONTROL TO BE FROZEN - WOULD NOT OPERATE. ACFT REPORTED TO MX. REPLACED RT PROPELLER CONTROL, PN 555-443. OPS CK GOODAug 2, 2010 · N15412 · Piper PA34200SDR 2010FA0000887Control Valve · failedLT ENGINE SHUTDOWN IN CRUISE FLIGHT. FOUND DEFECTIVE PROP CONTROL VALVE AFTER PERFORMIND MX DOWNLOAD. REPLACED VALVE AND OPS CHECKED NORMAL.Jul 26, 2010 · N154TS · Diamon DA42SDR NSVA2010125Pcu · malfunctionedPILOT LOGBOOK ENTRY "AIRCRAFT YAWS VIOLENTLY TO RIGHT UPON LANDING. AIRCRAFT FERRIED FROM ACK TO ALB MAINTENANCE BASE. INSPECTOR AT ALB PERFORMED GROUND RUNS OF BOTH ENGINES AND FOUND NO ABNORMALITIES. OVERNIGHT MAINTENANCE REPLACED THE LEFT PROPELLER CONTRJul 26, 2010 · N346CJ · Saab 340BSDR CA101008004Control Cable · chafed(CAN) ON A PRE START CHECK, THE PILOT NOTED THE PROP LEVER NOT FUNCTIONING PROPERLY. THE CABLES ARE KNOWN BY MX TO START CHAFING AND BINDING INTERNALLY JUST FWD OF THE PROP CONTROL LEVER CABLE HSG ATTACH POINT TO THE ACFT STRUCTURE. SOME CABLE HSG ARE SECUREJul 9, 2010 · Grob G120ASDR KPVA 2010 02Propeller · overspeedWHILE DEPARTING RUNWAY 05 FROM MKK EXPERIENCED OVERSPEED ON NR 2 PROPELLER ON CLIMBOUT. COMPLETED APPLICABLE CHECK LISTS, DECLARED AN EMERGENCY WITH MKK TOWER AND RETURNED TO RUNWAY 05 FOR LANDING AND CANCELLED THE EMERGENCY THEN CONTACTED DISPATCH.Jul 4, 2010 · N805WP · Dhav DHC8103SDR 2010FA0000699Cam · mismarked(IZ2R) CAM ASSY FOUND INSTALLED IN THE PROPELLER PITCH CONTROL IS NOT MARKED CORRECTLY AS IT IS A "30 DEGREE" CAM AND NOT A "40 DEGREE" CAM AS THE PN WOULD INDICATE, ADDITIONALLY IT APPEARS TO HAVE BEEN "LOCALLY" MANUFACTURED.May 19, 2010 · N5671X · Ayres S2RRESTDSDR 2010FA0000698Controller · wrong partPROPELLER PITCH CONTROL FOUND INSTALLED IS INCORRECT FOR THIS ENGINE MODEL IAW MFG ILLUSTRATED PART CATALOG 72-00-91, REV 16.May 19, 2010 · N5671X · Ayres S2RRESTDSDR RDS121092Pcu · failedON 6/18/09, WHILE TAXIING FOR TAKEOFF, OBSERVED SMOKE COMING FROM THE RT ENGINE, THE ENGINE WAS SHUTDOWN AND SECURED. THE PROPELLER MOVED OUT OF "FINE" PITCH POSITION CAUSING THE ENGINE TO OVERHEAT. THE CAUSE OF PROPELLER MOVEMENT WAS THE INTERNAL FAILURE OFJan 27, 2010 · N587CA · Cvac 440SDR CA091214010Housing · malfunctioned(CAN) CREW REPORTED THAT WHILE IN CRUISE FLIGHT, IT SEEMED LIKE THE NR 3 ENGINE OVERSPEEDED, THEN DE-COUPLED AND RE-COUPLED AGAIN. PROPELLER RPM READ 107 - 110 PERCENT. MAINTENANCE REPLACED THE NR 3 PROPELLER VALVE HOUSING, ACCOMPLISHED GROUND RUNS, AND THEDec 13, 2009 · Lkheed 382GSDR QXEA2009121601061Governor · malfunctionedAFTER START, NR 1 PROP RPM IS SLOW TO COME OUT OF FEATHER (15-20 SECONDS). UPON CDS CODE RETRIVAL FOUND, (CODE 132) FOR PROP 1. IAW FIM TROUBLE SHOOTING, REMOVED AND REPLACED OVERSPEED GOVERNOR IAW AMM TASK'S 61-20-26-000-801 AND 61-20-26-400-801. LEAK CHECKDec 12, 2009 · N427QX · Bombdr DHC8402SDR QXEA2009121401047Pcu · malfunctionedDURING CLIMB NR 1 PROP RPM FLUCTUATED FROM 850 TO 860 FOR APPROX FOR 3 SECONDS AND RETURNED TO 850 RPM. REPLACED NR 1 PCU IAW AMM TASK 61-20-11-000-801 AND 61-20-11-400-801 AND TASK CARDS NR 661001, 661002, 6710008, 6710005. OPS CKS GOOD. ALL INDICATIONS NORMDec 9, 2009 · N427QX · Bombdr DHC8402SDR CA091127002Control Valve · leaking(CAN) IT WAS REPORTED ON NOVEMBER 25, 2009 THAT DURING A TRAINING FLIGHT THE RT ENGINE EXPERIENCED A SEVERE POWER LOSS. JUST PRIOR TO THIS INCIDENT ENGINE WAS NOTICED SURGING BETWEEN 50 AND 70 PERCENT POWER. JUST AFTER THE INITIAL POWER LOSS THE ENGINE INADVNov 20, 2009 · Diamon DA42SDR NSVA20009057Actuator · malfunctionedLEFT ENGINE SURGED ALMOST AS IF PROP TRIED TO FEATHER TORQUE WAS AT 38-40 PERCENT. REMOVED AND REPLACED LT ACTUATOR AND BETA TUBE, OPS CHECK GOOD.Nov 4, 2009 · N210CJ · Saab 340BSDR 2009FA0000874Control Valve · defectiveTHE LEFT ENGINE PROPELLER CONTROL VALVE FAILED CAUSING THE PROPELLER TO FEATHER AND COMMANDED THE FADEC TO SHUT DOWN ENGINE. THIS ISSUE CAN BE RESOLVED BY COMPLYING WITH SB TAE 125-1007 P1, REV 2. (K)Oct 22, 2009 · N3RZ · Diamon DA42SDR 2009FA0000819Control Valve · defectiveTHE LT ENGINE PROPELLER CONTROL VALVE FAILED, CAUSING THE PROPELLER TO FEATHER AND COMMANDED THE FADEC TO SHUTDOWN ENGINE. THIS ISSUE CAN BE RESOLVED BY COMPLYING WITH SB TAE 125-1007P1, REV 2. (K)Oct 9, 2009 · N3RZ · Diamon DA42SDR CA091013005Fork · damaged(CAN) PROPELLER WAS RECEIVED FOR O/H DUE TO A FOREIGN OBJECT STRIKE. DURING MPI OF THE PITCH CHANGE FORK CRACKS WERE FOUND COMING FROM THE PITCH CHANGE BLOCK SLOTS. THE CRACKS DO NOT APPEAR TO BE CONSISTENT WITH THE TYPE OF BLADE DAMAGE OBSERVED DURING THE FOOct 7, 2009 · Beech A60SDR HNAA2009091600289Pcu · out of adjustON TAKE OFF ROLL NR 2 PROP AT 1215 RPM AT 86 PERCENT TORQUE. ADJUSTED NR 2 PCU SPEEDER SCREW IAW MANUAL 61-22-00. GROUND RAN IAW MAINTENANCE RUN UP MANUAL. OPS CHECK GOOD.Sep 15, 2009 · N846EX · Dhav DHC8102SDR CA090914001Housing · leaking(CAN) SEPT 11/09 C-GHPW NR 1 RPM DROPPED 1% TO 99% IN CRUISE, FURTHER DROPPED TO 96%. PITCHLOCK CHECK CARRIED OUT OKAY. RPM CONTINUED TO SLOWLY DROP. AT 95% THE ENGINE WAS SHUTDOWN. THE NR 1 VALVE HOUSING WAS REPLACED AND GROUND RUNS CARRIED OUT. (TC# 20090914Sep 11, 2009 · Lkheed 382GSDR CA090824011Brush Block · wornON RETURN NR4 ENG RPM DROOPED TO 13,600. WHILE REVIEWING CHECKLIST FOR POSSIBLE ENG SHUTDOWN, ENG DROOPED TO 13,450 AND BEGAN TO HAVE HORSEPOWER SURGES. ENG WAS SHUTDOWN AND SECURED. IAW SOP’S (PROP GOVERNOR WAS CHANGED AND ACFT GROUND RUN AND RETURNED TO SERAug 24, 2009 · Lkheed 188CSDR CA091130001Regulator · malfunctioned(CAN) DURING CRUISE AT FL200 RT PROPELLER OVERSPEED WITHOUT DECOUPLING, ENGINE SHUTDOWN, PROPELLER FEATHERED AND LANDED AT CLEVELAND USA. PROPELLER REGULATOR REPLACED DUE INTERNAL FAILURE AND AIRCRAFT RETURNED TO SERVICE REF. AIRCRAFT LOG BOX PAGE 10872 DEFEAug 20, 2009 · Cvac 440SDR CA090826013Buss Bar · brokenNR 1 PEC CAUTION MESSAGE WITH POWERPLANT MESSAGE ON CLIMB ABOVE 10,000`. NR 1 PROPELLER WENT TO 1050 TO 1060 NP. UNABLE TO GET PROPELLER UNDER 1020 NP. NR 1 ENG SHUTDOWN IAW EA CHECKLIST. NR 1 PROPELLER OVERSPEED ABOVE 1050-1060 UNCONTROLLABLE FAULT CODES: NAug 18, 2009 · Bombdr DHC8400SDR HNAA2009081100250Transfer Tube · out of positionON TAKEOFF NR 2 PROPELLER INCREASED TO 1224 RPM WITH SUBSEQUENT PROPELLER FLUX AND TORQUE FLUX OF 5 TO 10 PERCENT. CAPTAIN WAS ABLE TO STABILIZE BY REDUCING POWER AND PROP RPM. FLIGHT DIVERTED TO MDT. MECHANIC'S PERFORMED RIGGING WORK CARD (76-00-01), NO DEAug 8, 2009 · N912HA · Dhav DHC8102SDR CA090707005Lock · broken(CAN) 2 LATCH START LOCKS WERE FOUND UNAIRWORTHY. ONE HAD A MISSING COTTER PIN AND THE OTHER HAD COTTER PIN BUT COTTER PIN HOLE WAS ALMOST CRACKED THROUGH THE HSG.Jul 6, 2009 · Swrngn SA226ATSDR CA091016001Pcu · malfunctioned(CAN) "ENGINE NR 1 PROP AND ITT DROPPED ON FINAL APPROACH TORQUE LOGGED ON 40% PROP (RPM) 910, ITT - 350 DEG TO 400 DEG. REMOVED AND REPLACED PCU AND PERFORMED FUNCTIONAL AND OPERATIONAL TEST, FOUND SATISFACTORY IN ACCORDANCE WITH CMM 71-00-02 AND AMM 71-00-00Jun 16, 2009 · Dhav DHC8301SDR CA090604010Spring · broken(CAN) MX PERSONNEL DISCOVERED THERE WAS NO POSITIVE FEATHER DETENT ON RT PROP CONTROL AT THE PEDESTAL. INVESTIGATION DETERMINED THE DETENT SPRING HAD BROKEN. SPRING REPLACED WITH NEW PART.Jun 4, 2009 · Beech B200SDR RU3A0907Bracket · defectiveWHILE ON APPROACH, AIRCRAFT YAWED 15-20 DEGREES RIGHT OF RUNWAY CENTERLINE. MAIN GEAR TOUCHED PAVEMENT AS GO-AROUND WAS EXECUTED. ON RE-APPROACH, A FULL STOP LANDING WAS ACCOMPLISHED WITH NO FURTHER INCIDENT. BACKGROUND INFO RELATIVE TO CURRENT INCIDENT. RIMay 28, 2009 · N70 · Beech 300BEECHSDR QXEA2009051900357Controller · malfunctionedSEA - POWERPLANT MESSAGE ED ON CLIMB. REMOVED AND REPLACED NR 2 PEC IAW MTX T/C 6612001. OPS CHECK(S) GOOD. POWERPLANT MESSAGE CLEARED. RETURNED TO SERVICE.May 15, 2009 · N432QX · Bombdr DHC8402SDR NSVA2009021Warning Light · illuminatedAUTOCOARSEN LIGHT ON CWP CAME ON DURING TAKEOFF. CURRENTLY UNDERGOING MAINTENANCE AND TROUBLESHOOTING.May 14, 2009 · N194CJ · Saab 340BSDR COEA2009050201917Pcu · out of rigAIR TURN BACK: ON FLIGHT 8202, CREW OBSERVED NR2 NP DID NOT RESPOND TO POWER LEVER ADJUSTMENT AND DID NOT HOLD 100 PERCENT NP ON APPROACH WITH POWER LEVER ANGLE BELOW 60 DEGREES. CREW ELECTED TO RETURN TO DEPARTURE FOR MX PURPOSES. AFTER TROUBLESHOOTING, MMay 2, 2009 · N917FX · Aerosp ATR42300SDR RU3A0909Rod · bindingBETA RING FEED BACK RODS ARE BINDING WHEN MOVING FWD AND AFT. DISCOVERED FEED BACK RODS BENT .030.May 1, 2009 · N70 · Beech 300BEECHSDR QXEA2009042300288Governor · malfunctionedSTS - NR 2 PROP TAKES APPROX 60 SECONDS TO COME OUT OF START AND FEATHER AFTER MAX NP SELECTED. REMOVED AND REPLACED NR 2 PROP OVERSPEED GOVERNOR IAW Q400 AMM TASK 61-20-26-000-801, 61-20-26-400-801. PERFORMED LEAK CHECK, LEAK CHECK GOOD. PERFORMED OVERSPEEApr 19, 2009 · N411QX · Bombdr DHC8402
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