JASC 6123

Service difficulty reports · 919

Reports filed under 6123 · Propeller Feathering/Reversing, 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 = '6123'
  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 QXEA200300869Autofeather Sys · out of adjustPDX- ON FLIGHT 2092 ABORTED TAKEOFF DUE TO AUTOFEATHER FAILED TO ARM. RESET AUTOFEATHER ARMING POINTS. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 23, 2003 · N364PH · Dhav DHC8202SDR QXEA200300868Warning System · malfunctionedEUG- ON FLIGHT 2276 ABORTED AUTOFEATHER TEST. CLEARED PEC FAULT IAW AMM TASK 61-20-36-070-801. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 22, 2003 · N413QX · Bombdr DHC8401SDR CA030723005Switch · misinstalled(CAN) NR 1 ENGINE, BETA BACK-UP SYSTEM, STEADY BLUE LIGHT ILLUMINATED IN CRUISE. FAULT FOUND TO BE KLIXON SPRING PN KX5, DRILLED MOUNTING HOLES NOT LINING UP WITH SWITCH KX511.Jul 19, 2003 · Dhav DHC6200SDR QXEA200300882Potentiometer · out of adjustPDX- ON FLIGHT 2147 AUTOFEATHER "ARM" LIGHT CAME ON DURING TAKEOFF AT 95 PERCENT TORQUE AND 70 KIAS. PERFORMED AUTOFEATHER ARMING POTENTIOMETER ADJUSTMENT TEST IAW RIGGING MANUAL 7-31. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 18, 2003 · N364PH · Dhav DHC8202SDR QXEA200300843Mfc · out of adjustPDX- ON FLIGHT 2241, AUTOFEATHER DID NOT ARM ON TAKEOFF ROLL PRIOR TO 70 KNOTS. PERFORMED ENGINE RIG IAW MTC 9720022. ADJUSTED NR 1 ENGINE MFC 1/16 OF A TURN COUNTERCLOCKWISE. AUTOFEATHER SYSTEM CHECKS GOOD. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFTJul 9, 2003 · N367PH · Dhav DHC8202SDR MTNA20032Propeller · malfunctionedIN FLIGHT FROM CRW TO LCK THE LEFT ENGINE AUTO-FEATHERED. AN EMERGENCY WAS DECLARED. THE AIRCRAFT LANDED UNEVENTFULLY AT LCK. THE CAUSE IS UNKNOWN AT THIS TIME.Apr 2, 2003 · N728FE · Fokker F27MK500SDR 0303081Control Unit · shutdownON 03/08/03 AIRCRAFT N19XS ON FLT 4485 WAS ON APPROACH INTO TOL, WITHIN 5-10 SECONDS BEFORE TOUCHDOWN THE CREW EXPERIENCED AN UNCOMMANDED AUTOCOARSEN OF THE RT ENGINE. CREW CONTINUED LANDING THE AIRCRAFT. ONCE ON THE RUNWAY THE CREW SHUT DOWN THE RT ENGINE.Mar 8, 2003 · N19XS · Saab SF340ASDR CA030305005Connector · cracked(CAN) CREW REPORTED THAT AUTOFEATHER DISABLE LIGHT WOULD ILLUMINATE DURING CLIMB AND DECENT PORTIONS OF FLIGHT. MAINTENANCE DID NUMEROUS ATTEMPTS TO DUPLICATE WITH SYSTEM PARTS BEING REPLACED FOR TROUBLESHOOTING PURPOSES. TEST FLIGHTS WHERE COMPLETED WITH THE Feb 27, 2003 · Beech 1900DSDR PCAA0301027Switch · stuckPIT-FLIGHT#3989. CREW REPORTED #1 GROUND RANGE LIGHT CYCLES WITH POWER LEVER IN DISC. MAINTENANCE REPLACED POWER LEVER SWITCH 6141 S3 AND SWITCH 6121 S11 FOUND TO BE OUT OF ADJUSTMENT. REMOVED AND REPLACED SWITCHES IN ACCORDANCE WITH DASH 8 MAINTENANCE MANUAL Jan 30, 2003 · N846EX · Dhav DHC8102SDR KKI2003F00000Pin · wrong partDURING ANNUAL INSPECTION, IT WAS FOUND THAT FEATHERING PIN ASSY MOUNTED ON THIS PROPELLER IS WRONG PART. PART AS INSTALLED IS MOUNTED ON TOP OF TWO RIVETS IN SPINNER BULKHEAD, CAUSING PART TO BE BENT OVER THE RIVETS AND WEARING ON BLADE CLAMPS. LEFT UNREPAIRJan 28, 2003 · N317L · Cessna 310FSDR AUS20030122O-Ring · failed(AUS) LT ENGINE FEATHERING PUMP INLET BOBBIN O-RING SEAL FAILED. LOSS OF ENGINE OIL.Jan 24, 2003 · Fokker F27MK50SDR 046592Valve · out of adjustON TAXI, THE LEFT PROPELLER FAILED TO FEATHER MANUALLY. THE AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER INCIDENT. MAINTENANCE ADJUSTED THE FEATHER VALVE. NO PARTS WERE USED. TEARDOWN REPORT WILL NOT BE REQUIRED.Jan 9, 2003 · N139ZV · Beech 1900DSDR CA021219004Signal Cond Unit · intermittent(CAN) AFTER TAKEOFF, AUTOFEATHER WAS DESELECTED. ABOUT 1 MIN LATER THE 'ARM' LIGHT REILLUMINATED AND REMAINED ON FOR APPROX 15 MINUTES. PLUGS IN RT WING ROOT CLEANED AND INSPECTED. RELAYS 6121- K1, K2, K3, AND K5 REPLACED FOR TROUBLESHOOTING. NR 2 ENGINE TORQDec 17, 2002 · Dhav DHC8102SDR CA021204004Sleeve · cracked(CAN) MAG PARTICAL INSPECTION FOUND CRACK INDICATION ON THE B476 SLEEVE UNIT AT THE SLOTTED END ABOUT 1/8 INCH LONG. HARTZELL SERVICE BULLETIN 61235 INCORPORATED.Nov 14, 2002 · Socata TBM700SDR CA021112009Switch · failed(CAN) AFTER TAKE OFF, PILOT EXPERIENCED DIFFICULTY CONTROLLING NR 4 PROP RPM. AFTER INFLIGHT SHUT DOWN, PILOT UNABLE TO FEATHER NR 4 PROPELLER. UPON INSPECTION, NR 4 PROP FEATHERING SWITCH WAS FOUND TO HAVE FAILED INTERNALLY IN SUCH A MANNER THAT IT WAS TURNNov 12, 2002 · Amtr LANCASTER10SDR HNAA0200072Potentiometer · defectiveAUTO FEATHER WOULD NOT ARM, ABORTED TAKEOFF. REMOVED AND REPLACED NUMBER TWO POWER LEVER POTENTIOMETER, OPERATIONAL CHECK GOOD.Nov 2, 2002 · N284BC · Dhav DHC8311SDR CA021127002Plate · dislodged(CAN) PROPELLER WAS NOT IN THE FULL FEATHER POSITION. INSPECTION SHOWED THAT THERE WAS A GAP BETWEEN THE FEATHER STOP NUT AND THE REVERSE ADJUST SLEEVE. PROPELLER WAS REMOVED AND SENT TO PROPELLER OVERHAUL SHOP FOR REPAIR. ON DISASSEMBLY, THE PRELOAD PLATE WANov 1, 2002 · Pilats PC1245SDR SWIA200211409Pump · fluctuatesAUX FEATHER PUMP BROKEN, RT ENGINE TORQUE FLUCTUATES 3 PERCENT TO 4 PERCENT AT CRUISE. REMOVED AND REPLACED AUX FEATHER PUMP.Oct 30, 2002 · N190SW · Emb EMB120ERSDR A6WA200230036Probe · failedRT ENGINE TORQUE INDICATION LOST ENROUTE, FOLLOWED BY AUTOFEATHER APPROX 15 MINUTES AFTER TORQUE LOSS. CRUISE POWER TORQUE APPROX 86 PERCENT NP WHEN FAILURE OCCURRED. ENGINE REMAINED IN FEATHER WITHOUT SHUTTING DOWN ENGINE MAINTENANCE REMOVED AND REPLACE TOROct 15, 2002 · N350AD · Dorner DO328100SDR AUS20020951Plate · cracked(AUS) PROPELLER PITCH CONTROL LEVER FEATHER STOP GATE PLATE CRACKED.Aug 24, 2002 · Piper PA34220TSDR AUS20020950Plate · cracked(AUS) PROPELLER PITCH LEVER FEATHER STOP PLATE CRACKED PREVENTING OPERATION OF PITCH LEVER.Aug 24, 2002 · Piper PA34220TSDR QXEA0201145Relay · inoperativePDX- ABORTED TAKEOFF, DURING TAKEOFF ROLL AT 70 KIAS ON TAKEOFF POWER SET, NOTED THAT AUTO-FEATHER ARM LIGHT WAS NOT ON. LIGHT TESTED GOOD. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED 6121-K5 RELAY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TOAug 8, 2002 · N355PH · Dhav DHC8202SDR QXEA0201107Switch · malfunctionedLWS- ABORTED TAKEOFF DUE TO NR 1 AUTOFEATHER DOES NOT TEST. REMOVED AND REPLACED ALT FEATHER MICRO SWITCH. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Aug 5, 2002 · N355PH · Dhav DHC8202SDR QXEA0201106Switch · dirtyLWS- ABORTED TAKEOFF DUE TO AUTOFEATHER FAILED TO ARM. BULB CHECKED OKAY. CLEANED POWER LEVER SWITCHES. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Aug 4, 2002 · N355PH · Dhav DHC8202SDR SWIA200210995Cover · out of positionABORTED TAKEOFF WHEN LEFT ENGINE FEATHERED ON TAKEOFF ROLL. INSPECTED AND FOUND SWITCH COVER FOR LEFT ENGINE ELECT FEATHER INTERFERING WITH THE SWITCH. REPOSITIONED SWITCH COVER AND ENSURED CLEARANCE ON SWITCH. PERFORMED EXTENSIVE GROUND RUNS WITH NO FURTHEJun 27, 2002 · N186SW · Emb EMB120ERSDR CA020626012Wire Harness · corroded(CAN) ON TAKE-OFF ROLL AUTO FEATHER FAILED TO ARM , TAKE-OFF REJECTED AND AIRCRAFT RETURNED TO RAMP. MAIN ENGINE ELECTRICAL HARNESS CONNECTER PINS FOUND CORRODED , WIRING HARNESS REPLACED , AIRCRAFT RETURNED TO SERVICE .Jun 24, 2002 · Dhav DHC8102SDR CA020627009Pump · failed(CAN) AFTER ENGINE OIL TEMP ROSE & OIL PRESSURE FELL, PILOT SHUTDOWN ENGINE & ATTEPTED TO FEATHER PROP. TRIED SEVERAL TIMES WITH NO SUCCESS. A/C RETURNED. ENGINE & PUMP WERE RETURNED. FEATHERING PUMP & MOTOR WERE DISASSEMBLED & MOTOR SHOWED SIGNS OF EXCESSIVJun 22, 2002 · Gruman FIRECATSDR SWIA200210913Relay · failedUPON ADDING POWER ON TAKEOFF, LEFT TORQUE GAUGE WOULD NOT GO ABOVE 75PERCENT, THEN AURAL AUTO FEATHER WARNING SOUNDED AND THE RIGHT ENGINE FEATHERED. UPON PULLING BACK POWER TO GROUND IDLE BOTH SIDES (ABORT), LEFT TORQUE GAUGE REMAINED AT 75 PERCENT AND RIGHTJun 5, 2002 · N214SW · Emb EMB120ERSDR QXEA0200850Light · extinguishedBOI - AUTO FEATHER ARM DISAPPEARED ON ENGINE DISPLAY ON TAKEOFF. COMPLIED WITH FUNCTIONAL CHECK VERIFICATION PER AMM 61-20-00, PAGE 509-510. COMPLIED WITH TEST IAW AMM 61-20-00, PAGE 511-512. COMPLIED WITH FIM PROCEDURE 61-20-00, PAGES 272-274. COMPLIED WIMay 30, 2002 · N405QX · Bombdr DHC8401SDR QXEA0200849Light · extinguishedPIH - ABORTED TAKEOFF, AUTO FEATHER ARM DISAPPEARED. SELECTED AUTO FEATHER TEST NO DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.May 30, 2002 · N405QX · Bombdr DHC8401SDR S2YA02016Switch · sticksFLT 1454 - DAY-MKE - DURING TAKEOFF, THE RIGHT AUTO FEATHER DISABLE ANNUNCIATOR ILLUMINATED. THE CREW ABORTED THE TAKEOFF. THE A/C WAS FERRIED BACK TO MKE. MAINTENANCE REPLACED THE AUTO FEATHER SWITCHES IN THE POWER LEVER, OPS CHECK GOOD. (M)Apr 29, 2002 · N891SK · Beech 1900DSDR QXEA0200546Controller · faultyPDX - ABORTED TAKEOFF, AUTO FEATHER DID NOT ARM. REPLACED AUTO FEATHER CONTROLLER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Apr 9, 2002 · N355PH · Dhav DHC8202SDR SWIA200210781Relay · failedON THE TAKEOFF ROLL, RECEIVED A TAKEOFF AUTO FEATHER WARNING WITH THE AUTO FEATHER SWITCH IN THE ON POSITION (IT HAD TESTED NORMALLY ON TAXI OUT). TAKEOFF WAS ABORTED AND AUTO FEATHER SYSTEM WAS TESTED AGAIN ON TAXI BACK. TESTED NORMALLY AGAIN. ON SECOND TAApr 8, 2002 · N268UE · Emb EMB120ERSDR MALA020237Pump · failedON FLIGHT 2837 LEFT ENGINE OIL PRESSURE LIGHT ILLUMINATED INFLIGHT. LEFT PROP OIL PRESSURE WAS LOW. COMPLIED WITH QRH ALL OTHER ENGINE T-PROP PARAMETERS OK. FLIGHT DIVERTED TO EAU. FLIGHT LANDED WITHOUT PROBLEMS. MAINTENANCE REPLACED FEATHERING PUMP IAW SApr 7, 2002 · N367XJ · Saab SF340ASDR MAS2002F00008Switch · failedRETURNED TO THE GATE DUE TO THE AUTOFEATHER SWITCH (SELECT) WOULD NOT MECHANICALLY ENGAGE. MECHANIC WAS CALLED AND REPLACED THE AUTOFEATHER SWITCH, OPS CHECK GOOD AND WAS RETURNED TO SERVICE.Apr 6, 2002 · N456YV · Dhav DHC8202SDR QXEA0200541Connector · loosePDX - ABORTED TAKEOFF. DURING TAKEOFF ROLL WITH POWER LEVERS SET, NO AUTO FEATHER ARM LIGHT ILLUMINATED. FOUND CONNECTOR AT AUTO FEATHER CONTROLLER LOOSE. REMOVED CONNECTOR AND CHECKED NR 1 AND 2 POWER LEVER A, F POTENTIOMETERS. RIGS CHECKED NORMAL. NO PAApr 5, 2002 · N355PH · Dhav DHC8202SDR QXEA0200540Post · out of adjustMFR - ABORTED TAKEOFF AUTO FEATHER ARM FUNCTION INOP. ADJUSTED POST AND PERFORMED AUTO FEATHER OPERATIONAL CHECK. OPERATION CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Apr 3, 2002 · N368PH · Dhav DHC8201SDR SWIA200210745Relay · faultyON ROTATION AT SJC RECEIVED AN AURAL WARNING TAKEOFF AUTO FEATHER. ABORTED TAKEOFF. FOUND K0161 RELAY TO BE SLOW. INSTALLED NEW RELAY AND OPERATED SYSTEM. OPS CHECKS GOOD AT THIS TIME.Mar 20, 2002 · N137H · Emb EMB120RTSDR GLBA2002021Pressure Switch · failedAUTO FEATHER LIGHT ILLUMINATED INFLIGHT. REPLACED HIGH PRESSURE SWITCH, OPS CHECKED SYSTEM SATISFACTORY.Feb 12, 2002 · N247GL · Beech 1900DSDR SWIA200210655Relay · failedON TAKEOFF ROLL AT APPROXIMATELY 70 KIAS, AUTO FEATHER AURAL WARNING AND TRIPLE CHIME. TAKEOFF WAS ABORTED. AUTO FEATHER SWITCH WAS ON AND TRIM SET TO 28 PERCENT (MIDDLE OF GREEN BAND). PROP AUX FEATHER AND MANUAL FEATHER TESTS WERE NORMAL DURING TAXI. FUNFeb 9, 2002 · N289YV · Emb EMB120ERSDR SWIA200210635Relay · failedABORTED TAKEOFF DUE TO AUTOFEATHER AURAL WARNING AND NO GREEN ARMED LIGHT. SUBSEQUENT RUN UP PRODUCED NO GREEN ARMED LIGHT. REF WDM 61-23-00 REPLACED RELAY K0161 - ARMED INDICATOR RELAY. OPS CHECKS PER MM 61-23-26. AUTOFEATHER SYSTEM TEST WITH ENGINE RUNNIFeb 6, 2002 · N212SW · Emb EMB120ERSDR CA020522005Controller · malfunctioned(CAN) TAKE OFF ABORTED DUE TO NO AUTOFEATHER ARM INDICATION. MAINTENANCE INVESTIGATION / ACTION FAULT CODE 420 (AUTOFEATHER ARMED LOGIC) FOR LT PROP CHANNEL. A WAS FOUND IN THE CENTRAL DIAGNOSTIC SYSTEM. THE FAULT CODE WAS CLEARED SUCCESSFULLY. AIRCRAFT RETURNFeb 1, 2002 · Dhav DHC8*SDR SWIA200110490Switch · out of adjAUTO FEATHER SYSTEM WOULD NOT ARM DURING TAKEOFF. TESTED OK ON FIRST FLIGHT OF THE DAY CHECKS. CLEANED BOTH 62 DEGREE MICRO SWITCHES AND ADJUSTED RIGHT SWITCH IAW MM 76-10-01. OPS CHECK GOOD.Dec 23, 2001 · N235SW · Emb EMB120ERSDR CA011205006Control Unit · malfunctioned(CAN) PRIOR TO TAKE-OFF, AUTOFEATHER ARMING BAULKED, ACTIVATED ON RE-SELECTION. ON TAKE-OFF, AFTER GEAR UP SELECTION, NR 2 ENGINE INITIATED UNCOMMANDED AUTOFEATHER (TORQUE 125 PERCENT PLUS). CREW DE-SELECTED AUTOFEATHER WITHIN FOUR SECONDS, TORQUE RETURNEDNov 15, 2001 · Dhav DHC8311SDR AUS20011143Propeller · malfunctioned(AUS) RT PROPELLER AUTOFEATHER. PROPELLER OVER TORQUED. INVESTIGATION COULD FIND NO FAULT.Oct 28, 2001 · Dhav DHC8315SDR COMA0110144Gauge · faultyFLIGHT #5062. DURING TAKE OFF FROM NAS THE RIGHT ENGINE PROPELLER AUTO FEATHERED AT 80 KNOTS, ABORTED TAKE OFF AND RETURNED TO THE GATE.REPLACED THE RIGHT ENGINE TORQUE GAUGE.Sep 24, 2001 · N259CA · Emb EMB120RTSDR C2XA01IA363Sensor · faultyFLT 2937, CREW REPORTED THAT THE AUTOFEATHER LIGHT DID NOT ILLUMINATE AND NUMBER 2 ENGINE WAS LOSING POWER DURING TAKEOFF ROLL. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE INSPECTED AND FOUND THE NR 2 GCU MAGNETIC INDICATOR TO BE POPPED. Sep 23, 2001 · N42836 · Aerosp ATR42320SDR SWIA200110117Signal Cond Unit · malfunctionedDURING AUTOFEATHER SYSTEM TEST, NO GREEN ''ARMED'' LIGHT ALTHOUGH THE TORQUE DOES RISE 75 PERCENT AND THE PROPS WILL FEATHER.REPLACED LEFT SCU. REPLACED XK0161 AND K0161. REPLACED SOCKET FOR RELAY K0161. OPS CHECKED AUTOFEATHER ARM LIGHT. ALL CHECKS GOOD PAug 17, 2001 · N227SW · Emb EMB120ERSDR HNAA010046Tscu · inoperativeAUTO FEATHER DID NOT ARM ON TAKEOFF. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO GATE. REPLACED NR 1 AND 2 TSCU AND ADJUSTED POWER LEVER SWITCH 6121-S13.Aug 7, 2001 · N921HA · Dhav DHC8102SDR HNAA0100045Tscu · failedAUTO FEATHER DID NOT ARM ON TAKEOFF. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. REPLACED NR 1 AND NR 2 TSCU AND ADJUSTED POWER LEVER SWITCH 6121-S13.Aug 7, 2001 · N921HA · Dhav DHC8102
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