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 HNAA050098Beta Lockout · failedON CLIMB OUT THE NR 2 ENGINE BETA LOCKOUT FAILED ASSOCIATED WITH NR 2 TORQUE FLUCTUATING BETWEEN 70 TO 105 PERCENT. POWER REDUCED TO 900 RPM AND ENGINE STABILIZED. DEACTIVATED BETA LOCKOUT SYSTEM IAW. MEL PROCEDURES. REPLACED MICRO SWITCH 6141-S4.Nov 28, 2005 · N337EN · Dhav DHC8311SDR HNAA0500100Switch · lack of lubeDURING CLIMBOUT AT ABOUT 200 TO 300 FEET NR 2 PROP CYCLED ABOUT 150 TO 200 RPM AND TQ CYCLED 85 TO 115 PERCENT FOR ABOUT 90 SECONDS. LUBED BETA BACK UP POWER LEVER SWITCHES, REINSTATED BETA LOCKOUT SWITCHES AND C/W BETA GROUND LOGIC WORK CARD.Nov 27, 2005 · N912HA · Dhav DHC8102SDR QXEA200501541Tru · out of adjustSEA FLIGHT NR 2154 , DURING AUTOFEATHER TEST OF NR 2 PROP A RIGHT TRU CAUTION CAME ON TESTED SEVEN DIFFERENT TIMES WITH PROP RPM NO GOING BELOW 650. MAINTENANCE COMPLIED WITH ADJUST/TEST OF THE LEFT AND RIGHT TRU'S IAW DHC-8 AMM 24-31-505-508, OPERATIONAL CHENov 18, 2005 · N358PH · Dhav DHC8202SDR 11182005AB-Nut · looseON TAKEOFF ROLL, AUTOCOARSEN HIGH LIGHT DID NOT ILLUMINATE WITH TORQUE SET TO 80%. REPLACED AUTOCOARSEN COMPUTER FOR TROUBLESHOOTING AND DID NOT CORRECT THE PROBLEM. REINSTALLED ORIGINAL COMPUTER. REPLACED AUTOCOARSEN SWITCHES FOR TROUBLESHOOTING AND DID NONov 17, 2005 · N321CJ · Saab 340BSDR CA051115003Ecu · overspeed(CAN) AN AIRCRAFT EXPERIENCED A NR1 ENGINE OVERSPEED NP, COMMANDED INFLIGHT SHUTDOWN. ENGINE OVERSPEED NP IN FLIGHT (FAULT CODE 161) FOUND. PROPELLER ELECTRONIC CONTROL UNIT REPLACED. AIRCRAFT RETURNED TO SERVICE.Nov 14, 2005 · Bombdr DHC8400SDR 77866Fork · crackedPITCH CHANGE FORK CRACK FOUND DURING MAG-PARTICLE CHECK AT OVERHAUL (OH).Nov 2, 2005 · Piper PA31350SDR 77865Fork · crackedDURING OVERHAUL THE C4503 WAS FOUND TO BE CRACKED AFTER BEING MAGNAFLUXED.Nov 2, 2005 · Piper PA31350SDR QXEA200501367Autofeather Sys · malfunctionedSEA FLIGHT NR 2392, AUTOFEATHER ARM LIGHT FAILED TO ILLUMINATE ON TAKEOFF. MAINTENANCE INTERROGATED CDS. FOUND FAULT CODE 64 CH A. CLEARED FAULTS. PERFORMED OPS TEST, AUTOFEATHER SYSTEM IAW 61-20-00-710-805. NO DEFECTS NOTED. PERFORMED GROUND RUN AT T/O POct 22, 2005 · N409QX · Bombdr DHC8402SDR CA051026008Beta Ring · failed(CAN) IT WAS FOUND THAT THE CIRCLIP SECURING THE BETA BUSHING HAD PULLED AWAY FROM ITS SLOT. THIS WAS DUE TO IMPROPER ADJUSTMENT OF THE BETA RODS. IT IS RECOMMENDED TO FOLLOW THE INSTRUCTIONS FROM MFG PROPELLER MM P/N 118F PG.7-58 FIG. 7-27, REV.11 OCT 01.Oct 11, 2005 · Dhav DHC2*SDR 10152005BPcu · malfunctionedLT TQ GAUGE READS ZERO. CREW ABORTED TAKEOFF, LEFT BOTTOM GOVERNOR ENGAGES INTERMITTENTLY. LEFT TQ GAUGE SHOWS NORMAL AS WELL AS NP LEFT AC GEN LIGHT ILLUMINATED TO VERIFY NEG BG ENGAGEMENT. "SUPP-CLOSED" PERFORMED MASTER RIGGING ON LT ENG AND FOUND PCU WOUOct 10, 2005 · N194CJ · Saab 340BSDR 2005F00108Bushing · separatedREPAIRED DAMAGED BUSHING BY REPLACING WITH NEW PART.Sep 29, 2005SDR 09122005BPower Lever · out of adjustRIGHT ENGINE POWER LEVERS GO INTO REVERSE WHEN POSITION IS GROUND FINE. ADJUSTED LOW PITCH TORQUE (GND IDLE TORQUE.) RUN UP CHECKS NORMAL. REF BMM 76-00-00.Sep 9, 2005 · N220CJ · Beech 1900DSDR 09082005AControl Panel · stuckCONTROL TORQUE ON TAKEOFF SWITCH BROKEN, STUCK IN APR MODE. DEFERRED IN LGA , REMOVED AND REPLACED CTOT PANEL. OPS CHECK GOOD AND CLEARED MEL'S IN HYA.Sep 3, 2005 · N242CJ · Saab 340BSDR QXEA200501191Control Unit · malfunctionedBOI FLIGHT 2303: RETURN TO GATE - POWERPLANT MESSAGE. MAINTENANCE FOUND CDS FAULT CODES 180, 182 AND 184 ON NR 1 ENGINE PRESENT. TROUBLESHOOT PER FIM 61-20-04. REPLACED NR 1 PEC PER AMM TASK 61-20-36-000-801. FAULT CODES CLEARED. POWERPLANT MESSAGE CLEAREAug 26, 2005 · N407QX · Bombdr DHC8402SDR 2005FA0001190Control Cable · defectivePROPELLER CONTROL CABLE CAME DEFECTIVE FROM MANUFACTURER. ORDERED A TOTAL OF THREE (3)ALL THREE DEFECTIVE. APPEARS CABLES ARE MANUFACTURED BY NEW VENDOR AS ONE OF THEM WAS IDENTIFIED AS "FIRST ARTICLE SAMPLE. CONTROLS JAM AND PRODUCE BRASS FILINGS DURING ROAug 19, 2005SDR QXEA200501173Autofeather Sys · out of rigNR 2 PROP WILL NOT AUTO FEATHER FOR AUTO FEATHER TEST. TORQUE DROPS BUT NO POWER UPTRIM OR ALTERNATE FEATHER LIGHT. MAINTNEANCE CHECKED NR 2 ENGINE HARNESS FOR LOOSE CONNECTIONS. NONE NOTED. CHECKED ENGINE CONDITION PANEL FOR FAULTS. NONE NOTED. COMPLIED WITH Aug 13, 2005 · N353PH · Dhav DHC8202SDR KPV2005F00002Pcu · failedDURING TAXI OUT NR 1 BETA LIGHT CAME ON WITH THE POWER LEVERS ABOVE FLIGHT IDLE. RETURNED TO GATE. REPLACED NR1 PCU, OPERATIONALLY CHECKS GOOD. (K)Aug 8, 2005 · N805WP · Dhav DHC8103SDR CA050728008Switch · failedDURING CLIMB-OUT, THE FLT CREW EXPERIENCED NR 2 ENGINE AND PROP SURGING. ENG POWER WAS REDUCED, AND PROPS ADJUSTED TO MIN GOVERNING. IN THIS CONFIGURATION THE SURGING WAS NOT PRESENT. FLIGHT CREW DIVERTED TO A MAINTENANCE BASE AND LANDED UNEVENTFULLY WITHOUJul 22, 2005 · Dhav DHC6100SDR 20030865Switch · defectiveON APPROACH RT ENGINE POWER WAS REDUCED AND FLT CREW REPORTED THE ENGINE AUTOFEATHERED. AIRCRAFT LANDED SAFELY. MAINTENANCE TROUBLESHOT TO RT LOW PRESSURE SWITCH, REPLACED OP/CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 18, 2005 · N254GL · Beech 1900DSDR 07172005APropeller · malfunctionedLEFT PROP WILL NOT FEATHER. OIL PRESSURE 0 PSI. TEMP 175.Jul 17, 2005 · N305CE · Saab 340BSDR HNAA0500064Connector · shortedNR 2 ENGINE AUTO FEATHERED AT 1000 FT AGL ON TAKEOFF. MAX TQ REACHED WAS 114 PERCENT. REPLACED CONNECTOR 9811-J14.Jul 7, 2005 · N969HA · Dhav DHC8201SDR 20030858Pressure Switch · malfunctionedON APPROACH, CREW REPORTED RT ENGINE AUTOFEATHERED. MAINTENANCE CHECKED AND CLEANED PRESSURE SWITCHES AND PERFORMED OPERATIONAL CHECK OF AUTOFEATHER SYSTEM WITH NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.Jul 2, 2005 · N254GL · Beech 1900DSDR 06222005Gearbox · malfunctionedLT PROPELLER FEATHERED DURING TAKEOFF ROLL.Jun 22, 2005 · N341CJ · Saab 340BSDR QXEA200501071Selector Switch · inoperativeRETURNED TO GATE, WHEN AUTO FEATHER WAS INITIALLY SELECTED, ALL INDICATIONS WERE NORMAL. 24 HOUR SYSTEM TEST WAS NORMAL PRIOR TO TAXI AS WELL. DURING TAXI, AFTER CHECKLIST WAS DONE, INDICATIONS FOR AUTO FEATHER ON BOTH SWITCH LIGHT AND ED DISAPPEARED, THERE MJun 21, 2005 · N401QX · Bombdr DHC8402SDR HNAA0500058Control Unit · leakingNR 1 OIL PRESSURE GAGE FLUCTUATING TO JUST BELOW 55. NO OIL PRESSURE WARNING LIGHT. ACCOMPLISHED ABNORMAL CHECK LIST OIL PRESSURE STABILIZED AT 55. FOUND OIL LEAK BELOW NR 1 PCU. OIL LEVEL DOWN. REMOVED AND REPLACED NR 1 PCU.Jun 14, 2005 · N807EX · Dhav DHC8102SDR HNAA0500056Propeller · malfunctionedAFTER TAKEOFF AT APPROX 100 AGL THE NR 1 ENGINE CYCLED 10 PERCENT TQ ALONG WITH POWER UPTRIM LIGHT CYCLING ON AND OFF WITH BOTH PROP RPM'S AT 1200.Jun 13, 2005 · N933HA · Dhav DHC8102SDR HNAA0500057Control Unit · malfunctionedAT 400 FEET NR 2 PROPELLER AUTO FEATHERED THE ENGINE TORQUE WAS AT 95 PERCENT. CREW ALSO REPORTED THE TORQUE WENT TO THE RED LINE AND REMAINED. REPLACED THE NR 2 TSCU.Jun 7, 2005 · N969HA · Dhav DHC8201SDR RTAIA00505024Switch · out of alignmentTAKEOFF CONFIGURATION WARNING INDICATION. MAINTENANCE ADJUSTED CONDITION LEVER SWITCHES.May 26, 2005 · N565HK · Jetair JETSTM4101SDR MASA200500352Tscu · malfunctionedASH 6106 PHX TO PSP. THE AIRCRAFT RETURNED TO THE GATE WHEN THE CREW REPORTED THAT THE NR 1 ENGINE/PROP TORQUE WENT TO 100 PERCENT TORQUE UNCOMMANDED WHEN ADVANCING THE POWER LEVER. MAINTENANCE REPLACED THE TSCU.May 13, 2005 · N449YV · Dhav DHC8202SDR CA050414010Rod Bearing · gouged(CAN) P/N B2491-4S PC ROD GOUGED ON SPRING AREA BEYOND LIMITS, P/N A2202. BEARING DENTED BEYOND SERVICABLE LIMITS P/N SPRING END OF SPRING DAMAGED LEAVING A SHARP EDGE TO GOUGE PC ROD SCRAP PARTS RETURNEDTO CUSTOMER.Apr 14, 2005SDR 2005FA0000777Spring · fracturedPROPELLER PITCH WENT UNCONTROLLABLE IN STRAIGHT AND LEVEL FLIGHT. SPRING HAD ONE COMPLETE FRACTURE AND AT LEAST 4 INCOMPLETE FRACTURES. (K)Apr 13, 2005 · N269SB · Cirrus SR20SDR 2005FA0000778Rod · cracked(17590) OLD STYLE 2 PIECE PITCH CHANGE ROD CRACKED AND SEPARATED AT MATING JOINT IN FLIGHT CAUSING PROPELLER TO INADVERTENTLY FEATHER. THE PROBABLE CAUSE OF THIS IS DUE TO WEAK CONSTRUCTION. THE MANUFACTURER SHOULD CONSIDER MANDATORY REPLACEMENT OF ALL OLD SApr 12, 2005 · N4522S · Beech 95B55ASDR 095332Autocoarsen Sys · unknownFLIGHT 7892 HPN IAD, AUTOCOARSEN LIGHT ON STATUS PANEL WENT OUT WHEN CTOT WAS ENGAGED AND T/O POWER WAS SET.Apr 9, 2005 · N43SZ · Saab SF340ASDR MALA050373Pcu · malfunctionedRT PROP OVERSPEED INFLIGHT. SHUT ENGINE DOWN. INSPECTED PCU FOR LEAKS, GENERAL CONDITION OF PCU & ATTACHING HARDWARE. ALL IN PLACE & INTACT. CHECKED OIL LEVEL OF PGB, FOUND GOOD. CHECKED RIGGING WITH PINS IN PCU AND QUADRANT FOR BOTH POWER AND CONDITION LApr 9, 2005 · N433XJ · Saab 340BSDR CA050408010Control Rod · stiff(CAN) ENGINE POWER LEVER FOUND JAMMED DURING PREFLIGHT, DISCONNECTED THROTTLE AND PROPELLER CONTROL ROD END AT ENGINE AND FOUND PROPELLER CONTROL CABLE IS NOT MOVING. NO EXTERNAL SIGN OF DAMAGE TO CABLE TO CAUSE JAMMING. CABLE ASSEMBLY REPLACED.Apr 7, 2005 · Cirrus SR20SDR HNAA0500027Warning Light · illuminatedNR 2 PROP BETA LOCKOUT FAILURE ON CLIMBOUT. INSTALLED TEST HARNESS AT CONNECTOR J38 & J39 AND TESTED SWITCHES 6121-S10 & S1, 6141 S3 & S4. COMPLETED JOB CARD 61-20-10Q GROUND OPS CHECK OF BETA LOCKOUT. FOUND NO FAULTS WITH BETA LOCKOUT SYSTEM.Mar 19, 2005 · N815EX · Dhav DHC8102SDR RAIA00503008Beta Switch · inoperativeRIC - RIGHT BETA LIGHT DOES NOT ILLUMINATE. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE BETA SWITCH.Mar 17, 2005 · N558HK · Jetair JETSTM4101SDR CA050309013Csu · failed(CAN) ON RUNUP AFTER INSTALLATION, IT WAS FOUND THAT THE OVERHAULED PROPELLER CONTROL UNIT WOULD NOT FUNCTION PROPERLY. THE PROPELLER REMAINED IN THE BETA MODE AND THERE WAS NO CONTROL OTHER THAN FEATHER/UNFEATHER. ANY ADDITION OF POWER RESULTED IN THE PROPEMar 6, 2005 · Dhav DHC6200SDR ASOA05153Servo Valve · faultyFLT 4127 - DURING CLIMB-OUT FROM ATL-PFN, THE CREW RECEIVED AN AC WILD FAULT ON THE RIGHT ENGINE. WHILE PERFORMEING THE CHECK LIST THE CREW NOTICED THE RIGHT ENGINE TORQUE AT 38-40 PERCENT AND THE NP AT 108 PERCENT. THE CREW REDUCED THE RIGHT ENGINE POWER TOFeb 24, 2005 · N532AS · Aerosp ATR72212SDR CA050218002Retainer · loose(CAN) RETAINER, UNIVERSAL WAS FOUND WITH RELATIVE MOTION BETWEEN RETAINER AND RING, IPL 5-270C. CRIMPS (DIMPLES) HAD WORN OFF OF ONE OF FOUR DIMPLES ALMOST COMPLETELY, HALF THE DIAMETER OF TWO OTHERS. REPAIR 9-1 DETAILS INSTRUCTIONS FOR REPLACEMENT OF THE REFeb 17, 2005 · Cndair CL2156B11415SDR CA050212001Actuator · failed(CAN) IN FLIGHT, CREW NOTICED NR1 OIL PRESSURE DROPPING, VISUALLY NOTICED OIL LEAK ON NR1 FORWARD COWLING, OIL PRESSURE DROPPED TO 45 PSI. CREW SHUT NR 1 ENGINE DOWN AS PRECAUTIONARY MEASURE, LANDED AIRCRAFT AT UNSCHEDULED AIRPORT. MAINTENANCE REPLACED NR1 PRFeb 6, 2005 · Dhav DHC8102SDR QXEA200500122Switch · out of adjustSEA - FLIGHT 2357 AUTOFEATHER SYSTEM FAILS TEST. INSPECTED POWER LEVER SWITCHES 6121-58 AND 6121-59 AND FOUND THAT 6121-58 WAS NOT ADJUSTED QUITE TIGHT ENOUGH. ADJUSTED POWER LEVER SWITCH 6121-58 IAW -8 200, ENGINE RIG MANUAL 1-82ER, PART 7, PARAGRAPH 4-4D. Jan 25, 2005 · N357PH · Dhav DHC8202SDR QXEA200500121Autofeather Sys · failedSEA - FLIGHT 2203 TAKEOFF ABORTED AT 60 KTS DUE TO FAILURE OF AUTOFEATHER TO ARM. DEFERRED IAW MRL 61-2. REF RSI 345810.Jan 21, 2005 · N351PH · Dhav DHC8202SDR QXEA200500117Potentiometer · out of adjustSEA - FLIGHT 2203 TAKEOFF ABORTED AT 60 KTS DUE TO FAILURE OF AUTOFEATHER TO ARM. MAINTENANCE ADJUSTED NR 1 AND NR 2 ENGINE POWER LEVER POTENTIOMETERS IAW Q200 MM ER TR ER-10, DATED MAR 25/2004, PART 7, PAGE 32 TO 35, PARAGRAPH 5-1 A, B, C, (1) THRU (38). OPJan 21, 2005 · N351PH · Dhav DHC8202SDR S2YA05005Solenoid · inoperativeBEFORE FLIGHT, THE CREW REPORTED RT PROP WOULD NOT SPOOL UP, THEY RETURNED TO THE GATE FOR MECHANIC. MECHANIC REPLACED THE RT PROP GOVERNOR FOR TROUBLESHOOTING BUT THE PROBLEM REMAINED. MECHANIC REPLACED THE RT LOW PITCH SOLENOID AND OPERATIONAL CHECKS WERE Jan 15, 2005 · N831SK · Beech 1900DSDR QXEA200500055Autofeather Sys · malfunctionedYVR FLIGHT NR 2185 ABORTED TAKEOFF, AUTOFEATHER DID NOT ARM ON TAKEOFF ROLL. PLACED ON MEL.Jan 10, 2005 · N357PH · Dhav DHC8202SDR AU510001822Control Rod · fouledLT PROPELLER CONTROL ROD ATTACHMENT BOLT SPLIT PIN TAIL FOULING ON POWER LEVER CONTROL ROD RODEND LOCKNUT LOCKWIRING. THIS CAUSED THE LT PROPELLER CONTROL LEVER TO STICK AND THE LT POWER LEVER TO MOVE THE PROPELLER CONTROL LEVER WAS MOVED.Jan 9, 2005 · Dhav DHC8202SDR QXEA200500005Autofeather Sys · inoperativePDX FLIGHT NR 2185 NO ARM LIGHT ON TAKEOFF ROLL FOR AUTOFEATHER SYSTEM. REJECTED TAKEOFF AT 65 KTS. AUTOFEATHER SYSTEM CHECK ACCOMPLISHED PRIOR TO TAXI OUT. MAINTENANCE REPLACED NR 1 AND NR 2 ENGINE WIRING HARNESS. COMPLIED WITH AUTOFEATHER SYSTEM OPERATIONJan 2, 2005 · N357PH · Dhav DHC8202SDR QXEA200400932Connector · dirtySEA ABORTED TAKEOFF AT 70 KTS DUE TO AUTOFEATHER FAILING TO ARM. INSPECTED AND CLEANED CONNECTORS ON BOTH NR 1 AND NR 2 TSCU'S/ COMPLIED WITH AUTOFEATHER AND POWER UPTRIM TEST. CHECKED GOOD SEVERAL TIMES. NO OTHER DEFECTS NOTED. NO PARTS REPLACED AIRCRAFTDec 28, 2004 · N357PH · Dhav DHC8202SDR QXEA200400901Potentiometer · out of rigSEA FLIGHT 2185 AUTOFEATHER FAILED TO ARM ON TAKEOFF. MAINTENANCE RIGGED NR 1 AND NR 2 POWER LEVER AUTOFEATHER ARMING POTENTIOMETERS IAW TEMP REVISION OF ENG RIG MAN PART 7, PARAGRAPH 5 AND 5-1. GROUND RAN AIRCRAFT AND FUNCTIONAL CHECK OF AUTOFEATHER SYSTEM Dec 20, 2004 · N357PH · Dhav DHC8202
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