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 QXEA200602766Pcu · malfunctionedPDX FLIGHT NR 2149, AFTER SETTING TAKEOFF POWER NR 2 NP ACCELERATED TO 1235 WITH AUDIBLE DIFFERENCE IN SPEED RELATIVE TO ENGINE NR 1. ABORTED TAKEOFF AROUND 60KTS. MAINTENANCE REPLACED THE NR 2 PCU IAW MTC 9612201. ENGINE RUN TEST GOOD IAW MTC 9720016. AIROct 24, 2006 · N368PH · Dhav DHC8202SDR HNAA0600120Propeller · unknownDURING CLIMB AND STRAIGHT AND LEVEL FLIGHT THE NR 2 PROP RPM WOULD NOT STABILIZE, FLUXED FROM 940 TO 1050. RAN TEMPORARY WIRE (10008C22) FROM WING ROOT CONNECTOR 6121P7-C TO 9811TB 159-1G.Oct 17, 2006 · N934HA · Dhav DHC8102SDR QXEA200602396Ecu · malfunctionedSEA FLIGHT NR 2436 - POWER PLANT MESSAGE ON ED AFTER PUSHBACK. RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED NR 2 PEC. PERFORMED OPS CHECK. ALL CHECKS GOOD. NO FURTHER FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE.Sep 5, 2006 · N425QX · Bombdr DHC8402SDR MALA060538Relay · malfunctionedLEFT HAND ENGINE SHUTDOWN ON FINAL AT APPROXIMATELY 1000 FT. OPS CHECK OF AUTO COARSEN SYSTEM GOOD. FOR PRECAUTION REMOVED AND REPLACED RELAY 68KF, REMOVED AND REPLACED AUTO COARSEN SWITCHER UNIT P/N 8581, S/N OFF 362, ON 353. REMOVED AND REPLACED LT & RT AAug 31, 2006 · N438XJ · Saab 340BSDR RU3A0612Governor · malfunctionedON FINAL, RWY23 AT KBTL, WHEN POWER LEVERS BROUGHT TO IDLE, AIRCRAFT YAWED LEFT. SUSPECT RIGHT PROP STAYED IN FLIGHT IDLE AND LEFT PROP WENT TO GROUND IDLE. GO-AROUND ACCOMPLISHED. PULLED PROP GOV TEST CB, LANDED UNEVENTFULLY. CLEANED REVERSING CABLE AND RAug 18, 2006 · N78 · Beech 300BEECHSDR QXEA200602030Potentiometer · malfunctionedPDX FLIGHT 2139 ABORTED TAKEOFF AND RETURNED TO GATE AUTOFEATHER FAILED TO ARM. MAINTENANCE COMPLIED WITH ADJUSTMENT/TEST OF AUTOFEATHER ARMING POTENTIOMETER. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Aug 7, 2006 · N366PH · Dhav DHC8202SDR QXEA200602028Switch · malfunctionedSEA FLIGHT NR 2460: AUTOFEATHER SELECT WOULD NOT REMAIN ILLUMINATED WHEN AUTOFEATHER SWITCH IS PUSHED. MAINTENANCE REMOVED AND INSTALLED SERVICABLE AUTOFEATHER SWITCH ASSY IAW STANDARD PRACTICES. PERFORMED OPS TEST OF PROP AUTOFEATHER AND UPTRIM SYSTEM IAW QAug 5, 2006 · N414QX · Bombdr DHC8402SDR QXEA200601923Autofeather Sys · failedSEA FLIGHT NR 2214 - AUTO FEATHER TEST FAILED. MAINTENANCE PERFORMED OPERATIONAL CHECK IAW AMM. NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Jul 30, 2006 · N363PH · Dhav DHC8202SDR HNAA0600082Control Box · malfunctionedAFTER TAKEOFF NR 1 ENGINE FEATHERED, TORQUE CLIMBED TO 120 PLUS. AIRCRAFT SHUTDOWN AND RETURNED TO FIELD. REMOVED AND REPLACED AUTO FEATHER CONTROL BOX.Jul 27, 2006 · N343EN · Dhav DHC8311SDR AMWA078615Switch · dirtyRT AUTO FEATHER CYCLED IN AND OUT OF FEATHER ON APPROACH INTO PIT. MAINTENANCE WAS CALLED AND RAN AIRCRAFT, FOUND RT P/L SWITCH INTERMITTENT. CLEANED AND RESEATED CONNECTION. GROUND RAN AIRCRAFT AGAIN, OPS CHECK NORMAL.Jul 25, 2006 · N143YV · Beech 1900DSDR QXEA200601906Autofeather Sys · failedYVR FLIGHT NR 2151 - AUTOFEATHER FAILED TO ARM. PLACED ON MEL. IN PDX MAINTENANCE CHECKED RIG OF POTENTIOMETERS. CHECK GOOD. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Jul 24, 2006 · N363PH · Dhav DHC8202SDR CA060802003Control Unit · malfunctioned(CAN) DURING THE TAKEOFF ROLL, THE FIRST OFFICER NOTED ILLUMINATION OF THE NR 1 ENGINE MANUAL CAUTION AND THE CAPTAIN ELECTED TO CONTINUE THE TAKE OFF. SHORTLY AFTER GEAR RETRACTION, THE NR 1 PROPELLER FEATHERED. THE ENGINE WAS SECURED AFTER COMPLETION OF PLATJul 22, 2006 · Dhav DHC8101SDR SWIA200616912Pcu · malfunctionedRIGHT ENGINE EXPERIENCED UNCOMMANDED FEATHER WHILE ON THE GROUND. REPLACED RIGHT TORQUE SIGNAL CONDITIONER AND PCU WITH A SERVICEABLE UNIT IAW MM 61-00-00. SEE RII 61-900-1003. OPERATIONAL CHECKS GOOD. TORQUE SIGNAL CONDITIONER, P/N OFF: 30005-0000-52 S/Jul 19, 2006 · N293SW · Emb EMB120ERSDR I5HA058005Regulator · fluctuatesDURING TAKEOFF ROLL, CREW OBSERVED WHAT THEY BELIEVED TO BE A LOSS OF POWER FROM THE LT ENGINE. TAKEOFF WAS ABORTED AND AC RETURNED FOR MAINT. AFTER PERFORMING INSP FOR FOD, WATER IN THE FUEL FILTERS, BLEED AIR LEAKS AND A HIGH POWER PENALTY RUN, THE AC WAS Jul 13, 2006 · N585P · Cvac 580SDR CA060705004Shaft · broken(CAN) LOSS OF PROPELLER CONTROL DUE TO BROKEN ENGINE CONTROL SPRING STRUT; THE FAILURE OCCURRED DURING FLIGHT AND DISABLED CONTROL OF THE NO 1 PROPELLER. THE EMERGENCY FUEL SHUT-OFF HAD TO BE OPERATED TO SHUT THE ENGINE DOWN AFTER LANDING. AT THE TIME OF THE IJul 4, 2006 · Dhav DHC8301SDR CA061115002Csd · making metal(CAN) S/N 2479220 UNIT OVERHAULED AT MFG. UNIT WAS INSTALLED ON ENGINE IN A TEST CELL AND WAS RETURNED WITH TSO: 0.0 AND REPORTED SNAG OF RESET PRESSURE TOO LOW, PART REJECTED. AFTER DISASSEMBLY AT OUR FACILITY IT WAS NOTICED THAT THE INTERNAL SHAFT ASSEMBLYJun 16, 2006SDR QXEA200601467Module · malfunctionedRNO - NR 1 PEC CAUTION LIGHT ILLUMINATED. POWER PLANT MESSAGE ON ED. MAINTENANCE REMOVED AND REPLACED QUADRANT AS A PRECAUTIONARY MEASURE. AIRCRAFT RETURNED TO SERVICE.Jun 13, 2006 · N404QX · Bombdr DHC8402SDR MASA200601537Pcu · malfunctionedASH 7058 HDN - NR 1 ENG TORQUE WAS CYCLING BETWEEN 60 PERCENT AND 100 PERCENT. MAINTENANCE REMOVED AND REPLACED NR 1 ENG PCU.Jun 6, 2006 · N446YV · Dhav DHC8202SDR QXEA200601379Switch · out of adjustPDX FLIGHT NR 2159 TAKE OFF WARNING WHEN FLAPS USED. MAINTENANCE ADJUSTED NR 1 CONDITION LEVER MICRO-SWITCH. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Jun 4, 2006 · N359PH · Dhav DHC8202SDR QXEA200601327Control Unit · faultyGEG FLIGHT 2355: RETURN TO GATE. POWERPLANT MESSAGE AFTER TAKEOFF. MAINTENANCE REMOVED AND REPAIRED THE NR 1 PEC IAW AMM TASK 61-20-36. COMPLIED WITH ENGINE RUNS IAW AMM TASK 71-00-00-868-805. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.May 28, 2006 · N406QX · Bombdr DHC8402SDR MALA060334Pcu · malfunctionedLT TORQUE AND LT PROP FLUCTUATING BY 5 PERCENT AND 20 RPM WHILE INFLIGHT. AIR RETURN TO MEM. REMOVED AND REPLACED LT PCU IAW SF340 AMM CHAPTER 61-20-05-04 AND 71-00-00. ALL CHECKS GOOD AT THIS TIME, P/N ON/OFF 8210-153, S/N ON 11916865, S/N OFF 12096466.May 20, 2006 · N443XJ · Saab 340BSDR QXEA200601277Pcu · faultyAVC FLIGHT NR 2305: ON TAKE-OFF AT 70-80 KNOTS, GOT A POWER PLANT MESSAGE FOLLOWED BY A NR 2 PEC AND NR 2 AC GEN CAUTION LIGHTS FOLLOWED BY THE NR 2 PROP FEATHERING. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE PCU IAW AMM TASKS 61-20-11-000-801 AND 61-20-11-4May 20, 2006 · N410QX · Bombdr DHC8402SDR R019692Rod · wornTHE AREA OF THE PITCH CHANGE ROD THAT IS GUIDED THROUGH THE ENGINE SIDE HUB HALF BORE HAS WORN THROUGH THE CHROME PLATING BEFORE FIRST OVERHAUL.May 19, 2006 · Piper PA46310PSDR QXEA200601274Pcu · malfunctionedSEA FLIGHT NR 2398: RETURN TO GATE, AFTER PUSH AND DISCONNECT FROM TUG WHEN THE CONDITION LEVERS WERE BROUGHT TO MAX, THE PROPS CAME UP NORMALLY. BUT WHEN AUTOFEATHER WAS SELECTED THE NR 2 PROP FEATHERED. NR 1 PEC CAUTION ILLUMINATED WITH NR 2 AC GEN POWER PMay 18, 2006 · N403QX · Bombdr DHC8402SDR QXEA200601272Switch · stuckPSC - ON FLIGHT 2101, DURING CLIMB, AUTO FEATHER WAS DESELECTED PER DE CHECKLIST, SELECT PORTION WENT DARK BUT ARM REMAINED ILLUMINATED. DURING THAT DESCENT WHEN POWER LEVELS WERE RETARDED FOR APPROACH, ARM EXTINGUSHED AT APPROX 50 PERCENT TRQ AND REMAINED DAMay 17, 2006 · N366PH · Dhav DHC8202SDR 05172006AAutocoarsen Sys · out of positionLEFT BOTTOM GOVERNOR WOULD NOT ENGAGE. INSPECTED LT ENGINE AND WAS STILL IN AUTOCOARSEN TEST MODE WHEN IT WAS SHUTDOWN. TEST GUARD WAS OPEN PER NEW CREW. PERFORMED THOROUGH INSPECTION OF CONTROL CABLES AND FEATHERING PUMP WITH NO DEFECTS NOTED. PERFORMED NOMay 12, 2006 · N352CJ · Saab 340BSDR GLBA20060736Pcb · intermittentRAT PROPELLER CYCLED IN AND OUT OF FEATHER SEVERAL TIMES, WITH AUTO FEATHER IN THE OFF POSITION IT OPERATED NORMALLY - REPLACED OVERSPEED GOVERNOR PAN 210961C SON 11446450 AND AUTO FEATHER PUB 129-364091-9 SON 925B94.Apr 20, 2006 · N254GL · Beech 1900DSDR 04202006AConnector · dirtyAUTOCOARSEN HIGH LIGHT DID NOT ILLUMINATE. CLEANED CONNECTORS TO AUTOCOARSEN COMPUTER AND SWITCHER, PERFORMED AUTOCOARSEN OPS TEST IAW 61-22-00, OPS TEST GOOD.Apr 19, 2006 · N339CJ · Saab 340BSDR CBR2006F00004Pcu · malfunctionedIMMEDIATELY AFTER TAKEOFF, NR 2 ENGINE BEGAN RAPID TORQUE FLUCTUATIONS TOWARDS MAX TORQUE LIMITS. FROM THE CABIN, MECHANICS OBSERVED PROP. PITCH FLUCTUATIONS. ENGINE NR 2 WAS PRECAUTIONARY SHUTDOWN. AFTER TROUBLESHOOTING REMOVED AND REPLACED NR 2 ENGINE PCUApr 17, 2006 · N288DH · Dhav DHC8106SDR SWIA200616603Actuator · out of rigRT PROP FEATHERED ON GROUND WHILE PARKED ON RAMP WITH BOTH ENGINES IN GRD IDLE. PROP FEATHER WHEN POWER LEVER WAS INCREASED 2-3% NP. RE-RIGGED RT PROP ACTUATOR AND PCU IAW MM HS MM 61-10-00. OPERATIONAL CHECK GOOD.Apr 17, 2006 · N293SW · Emb EMB120ERSDR DAT2006F00002Control Cable · brokenDURING THE TAKEOFF ROLL, A LT TURN TENDENCY WAS NOTICED AND THE TORQUE GAUGES WERE CHECKED. THE LT PROP GAUGE WAS INDICATING 12 RPM. DUE TO THE UNEXPECTED BEHAVIOR OF THE PROP THE FLIGHT CREW DECIDED TO RETURN TO DEPARTURE. AC LANDED WITHOUT INCIDENT. MECHMar 28, 2006 · N368AC · Stbros SD360SDR QXEA200600903Pcu · malfunctionedSEA FLIGHT NR 2382: ON TAXI OUT, NR 2 PEC CAUTION LIGHT ILLUMINATED WITH ASSOCIATED POWERPLANT MESSAGE. NR 2 PROP RUNS AT 220 ON TAXI BACK TO GATE. MAINTENANCE REMOVED NR 2 ENGINE PCU IAW AMM 61-20-11-000-801 AND MTC 6610001 BETA TUBE REMOVAL. INSTALLED NR 2Mar 25, 2006 · N400QX · Bombdr DHC8402SDR QXEA200600762Switch · intermittentSEA FLIGHT NR 2104, AUTO FEATHER SWITCH INTERMITTENTLY INOP. MAINTENANCE REPLACED THE AUTO FEATHER SELECT SWITCH. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Mar 21, 2006 · N350PH · Dhav DHC8202SDR QXEA200600674Autofeather Sys · malfunctionedPDX FLIGHT NR 2050, AUTO FEATHER FAILED TO ARM. MAINTENANCE COULD NOT DUPLICATE THE DISCREPANCY.Mar 20, 2006 · N358PH · Dhav DHC8202SDR 03082006BComputer · malfunctionedAUTOCOARSEN LIGHT CAME ON DURING TAKE-OFF. REMOVED AND REPLACED AUTOCOARSEN COMPUTER PN ON/OFF 8542M2, SN OFF 385, SN ON 387 IAW 62-22-05. ALSO R&R AUTOCOARSEN SWITCH IAW 61-22-15 PN ON/OFF 8061, SN OFF 181, SN ON 238 AUTOCOARSEN OPS CHECK GOOD.Mar 3, 2006 · N339CJ · Saab 340BSDR 03012006EWarning Light · illuminatedAUTOCOARSEN FAULT LIGHT. OPENFeb 27, 2006 · N339CJ · Saab 340BSDR 02152006AWarning System · malfunctionedAUTOCOARSEN MASTER CAUTION LIGHT ILLUMINATED ON TAKEOFF ROLL. PERFORMED AUTOCOARSEN TEST IAW 61-27-00. ALL CHECKS GOOD, PERFORMED HIGH SPEED TAXI WITH AUTOCOARSEN ARMED, NO DISCREPANCIES NOTED.Feb 9, 2006 · N339CJ · Saab 340BSDR HNAA0600010Propeller · malfunctionedAT 85 PERCENT TORQUE AUTO FX ARMED WHILE DESELECTED AND MEL'D.Feb 4, 2006 · N342EN · Dhav DHC8311SDR HNAA0600008Switch · intermittentON CLIMBOUT NR 2 ENGINE TORQUE FLUCTUATED TO APPROX 105 PERCENT, PROP RPM BETWEEN 930 AND 980. REDUCED POWER AND ENGINE STABILIZED TO NORMAL. REMOVED AND REPLACED MICRO SWITCH 6121-S10.Jan 31, 2006 · N985HA · Dhav DHC8201SDR HNAA0600007Beta Lockout · malfunctionedON TAKEOFF NR 2 ENGINE SURGING, DISABLED AUTO FEATHER SURGE CONTINUED. NOTED RPM CYCLING JUST UNDER 1000 RPM RETARDED NR 2 CONDITION LEVER SET RPM'S AT APPROXIMATELY 900 RPM'S. ALL OTHER ENGINE PARAMETERS NORMAL. DEACTIVATED BETA LOCKOUT PER APPENDIX 61-4. Jan 27, 2006 · N985HA · Dhav DHC8201SDR ERA2006F00001Line · crackedNR1 ENGINE FUEL FLOW DECLINED TO IDLE AND REMAINED IN-FLIGHT. FEATHERED PROPELLER, LT ENGINE RUNNING AT IDLE. ALL ENGINE INDICATIONS NORMAL FOR IDLE NG. UNABLE TO CONTROL ENGINE WITH POWER LEVER. FOUND NR 1 ENGINE P3 LINE BROKEN AT TEMPERATURE COMPENSATIONJan 25, 2006 · N203EH · Dhav DHC6SDR KPVA20063Pcu · malfunctionedEXPERIENCED PROP OVERSPEED NR 2 ENGINE ON SHORT FINAL. ALSO, BETA WARNING HORN ANNOUNCED JUST PRIOR TO TOUCHDOWN (WHISTLE SOUND) WHEN POWER LEVERS ABOVE FLIGHT IDLE. REMOVED & REPLACED NR 2 ENGINE PCU IAW HAMILTON SUNDSTRAND 61-22-00 PG 703-706. ENGINE RUN Jan 21, 2006 · N809WP · Dhav DHC8103SDR ERA2006F00000Pcu · inoperativeNR 2 PROPELLER SURGED ON FINAL TO FAIL TWICE, THEN DROPPED TO 1000 RPM FROM 1180 ON ROLLOUT. FEATHERED MOMENTARILY TO 300 RPM THEN BACK TO 900 RPM. REVIEWED DFDR DATA FOR OVER-TORQUE PARAMETERS. REPLACED NR 2 PCU SN 921069. NR 2 PROPELLER HYDRAULIC PUMP, SJan 13, 2006 · N883EA · Dhav DHC8106SDR 01092006BUnknown · unknownAUTOCOARSEN EVENT WHEN PL WERE ADVANCED BEYOND 64 DEGREES PLA- LT ENG. NO ING LIGHT ON SHUTDOWN. PERFORMED AUTOCOARSEN AND CTOT, OPS CHECK GOOD NO DEFECTS NOTED.Dec 26, 2005 · N311CE · Saab 340BSDR QXEA200501846Switch · stickingGEG FLIGHT 2303: AS POWER LEVERS WERE ADVANCED TO TAXI, -OSG ABORT- MESSAGE FOLLOWED BY -POWER PLANT- MESSAGE APPEARED ON ED. MAINTENANCE FOUND OVERSIZED GOVERNOR TEST SWITCH STICKING. REMOVED AND REPLACED TEST SWITCH IAW MM 20-30-07. SWITCH OPS CHECK GOODDec 26, 2005 · N410QX · Bombdr DHC8402SDR HNAA0500105Control Unit · malfunctionedNR 2 ENGINE UNSCHEDULED PROP FEATHERING IN FLIGHT. REMOVED AND REPLACED NR 2 TSCU. REMOVED AND REPLACED NR 2 EEC.Dec 23, 2005 · N966HA · Dhav DHC8201SDR AU510002034Tube · unserviceableLT PROPELLER TRANSFER TUBE DRIVE PIN LOOSE. DURING TEST FOR AXIAL RETENTION OF THE DRIVE PIN, IT WAS FOUND TO MOVE WITH LESS THAN THE REQUIRED 25-30 POUNDS FORCE. FOUND DURING INSPECTION IAW AD/PHS/22.Dec 12, 2005 · Dhav DHC8202SDR AU510002025Transfer Tube · faultyRT PROPELLER TRANSFER TUBE DRIVE PIN LOOSE. DURING TEST FOR AXIAL RETENTION OF THE DRIVE PIN, IT WAS FOUND TO MOVE WITH LESS THAN THE REQUIRED 25-30 POUNDS FORCE. FOUND DURING INSPECTION IAW AD/PHS/22.Dec 12, 2005 · Dhav DHC8202SDR QXEA200501736Relay · unknownSEA - NR 2 PROPELLER WON'T FEATHER DURING THE AUTOFEATHER TEST. MAINTENANCE REPLACED NR 2 AUTOFEATHER TEST CIRCUIT RELAY 6121-K4. TESTED AUTOFEATHER SYSTEM TEST SEQUENCE PER AMM D & O 61-26-00, PAGE 9-11, PARAGRAPH F. TEST CIRCUITS AND AUTOFEATHER SYSTEM FUDec 2, 2005 · N353PH · Dhav DHC8202SDR QXEA200501597Pitch Control · malfunctionedPDX FLIGHT NR 2311: ON CLIMB-OUT AT AROUND 15K FT, POWERPLANT MESSAGE APPEARED ON THE ED (PUSHED EVENT MARKER). ABOUT 1 MINUTE LATER THE NR 1 PEC CAUTION LIGHT APPEARED AND THE PROP FEATHERED. PER THE CHECKLIST, SHUT THE ENGINE DOWN. MX REMOVED AND REPLACEDNov 29, 2005 · N404QX · Bombdr DHC8402
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