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 NSVA20070019Relay · failedFOUND AUTOCOARSEN WILL NOT TEST. REMOVED AND REPLACED RELAYS 113 AND 114P/N: M83536-6-022M, IAW AMM 39-40-45.Jan 27, 2007 · N299CJ · Saab 340BSDR NSVA20070015Autocoarsen Sys · malfunctionedAUTOCOARSEN LIGHT DID NOT ILLUMINATE WHEN TURNED ON. RESET ALL C/B'S IN SYS ROW ENG'S CHECKED SYS IAW 61-22-00, OP CHECKED NORMAL ON GROUND.Jan 20, 2007 · N321CJ · Saab 340BSDR NSVA20070014Autocoarsen Sys · malfunctionedAUTO COARSEN LIGHT ILLUMINATED ON TAKEOFF ROLL. RETURNED TO GATE AND PERFORMED AN OP'S TEST OF SYSTEM IAW AUTO COURZEN P3 TEST, AS PER MX CONTROL. SYSTEM OPERATES NORMAL.Jan 18, 2007 · N339CJ · Saab 340BSDR HNAA0600222Beta Lockout · malfunctionedCLIMBING AT 500 FT, NR 2 ENGINE TORQUE FLUXED 20 TO 90 PERCENT, SUSPECT BETA LOCKOUT. RESET BETA LOCKOUT CIRCUIT BREAKER GROUND RAN ENGINE, NO DEFECTS NOTED.Jan 15, 2007 · N337EN · Dhav DHC8311SDR QXEA200700005Potentiometer · out of adjustPSC FLIGHT NR 2094, AUTO FEATHER FAILED TO ARM ON TAKEOFF ROLL, AUTO FEATHER SYSTEM INOP. MAINTENANCE ADJUSTED THE POTENTIOMETER. OPERATIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Jan 4, 2007 · N353PH · Dhav DHC8202SDR QXEA200603203Autofeather Sys · malfunctionedPDX FLIGHT NR 2270: AUTO FEATHER SYSTEM FAILED TO ARM DURING TAKEOFF ROLL. MAINTENANCE C/W Q400 FIM TASK 61-20-02-810-834, STEPS 1-4B. CLEARED FAULT 64. AUTO FEATHER TEST GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Dec 20, 2006 · N424QX · Bombdr DHC8402SDR NSVA200600216Unknown · unknownRIGHT TORQUE FLUCTUATES 50LBS AND PROPS DO NOT SINK. PERFORMED OPERATIONAL CHECK OF ENGINE IAW BMM 76-10-00 AND PROP SYNC SYSTEM IAW COLGAN CARD 61-22-01. ALL SYSTEMS CHECK GOOD.Nov 29, 2006 · N152MJ · Beech 1900DSDR HNAA0600205Unknown · malfunctionedUNSCHEDULED PROP FEATHER NR 2 ENGINE IN FLIGHT. AT 800 FEET JUST BEFORE FLAP RETRACTION THE NR 2 ENGINE FEATHERED BY ITSELF. CAPTAIN SHUT DOWN ENGINE AND DECLARED AND EMERGENCY.Nov 26, 2006 · N331EN · Dhav DHC8311SDR CA061218020Pressure Switch · failed(CAN) ON INVESTIGATION OF THE REPORTED AUTOFEATHER DEFECT, THE LT ENGINE PRESSURE SWITCH, PN 8190026, WAS FOUND TO BE DEFECTIVE. REPLACEMENT OF THE COMPONENT CURED THE PROBLEM WHICH IS CONSIDERED TO BE AN ISOLATED RANDOM FAILURE. (TC NR 20061218020)Nov 24, 2006 · Dhav DHC6300SDR QXEA200603003Tscu · malfunctionedPDX FLIGHT NR 2280 AUTO FEATHER ENGINE NR 1 REST ECU AS DIRECTED BY MTX UPON SECOND TEST AS TEST SWITCHES 1 AND 2 BROUGHT UP, POWER UPTRIM LIGHT CAME ON AND BOTH ENGINES FEATHERED. MAINTENANCE REPLACED NR 1 TSCU. COMPLIED WITH POST RUN PER MTC 9720019. OPERNov 20, 2006 · N359PH · Dhav DHC8202SDR QXEA200602999Autofeather Sys · malfunctionedBOI FLIGHT NR 2399: AUTO FEATHER SELECT NOT ILLUMINATED ON ED WITH SWITCH SELECTED. AIRCRAFT RETURNED TO GATE. MAINTENANCE C/W AUTO FEATHER TEST OPS CHECK IAW TASK 61-20-00-710-805. NO FURTHER ACTION WAS REQUIRED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SENov 17, 2006 · N408QX · Bombdr DHC8402SDR FDKA200611325Relay · malfunctionedFDM 6212 JFK-PWM (2315 PHX LCL). CREW ABORTED TAKEOFF DUE TO AUTOFEATHER WOULD NOT ARM. MX REMOVED AND REPLACED RELAYS 6121K5 & 6121K11.Nov 12, 2006 · N801LR · Dhav DHC8102SDR QXEA200602868Autofeather Sys · failedPDX FLIGHT NR 2096, AUTO FEATHER FAILED TO ARM, AUTO FEATHER SYSTEM INOP. MAINTENANCE PLACED THE AUTO FEATHER SYSTEM ON MEL. AIRCRAFT RETURNED TO SERVICE.Nov 5, 2006 · N346PH · Dhav DHC8202SDR QXEA200602866Relay · failedPDX FLIGHT NR 2241, AUTO FEATHER FAILED TO ARM DURING TAKEOFF. MAINTENANCE TIGHTENED LOOSE ATTACH HARDWARE FOR AUTO FEATHER CONTROLLER ELECTRICAL CONNECTOR 6121-P9 AND REPLACED AUTO FEATHER CONTROL RELAY 6121-K5. AUTO FEATHER SYSTEM AND POWER UPTRIM TEST GOONov 4, 2006 · N346PH · Dhav DHC8202SDR CA061019007Pressure Switch · failed(CAN) AFTER TAKE OFF WHILE REDUCING POWER FROM TAKE OFF POWER TO CLIMB, THE L/H PROP AUTOFEATHERED. AUTO FEATHER CIRCUIT BREAKER PULLED AND PROP RETURNED TO NORMAL. MAINTENANCE CONFIRMED SNAG AND REPLACED THE AUTOFEATHER PRESSURE SWITCH, CARRIED OUT GROUND RUNOct 18, 2006 · Dhav DHC6300SDR QXEA200602709Controller · malfunctionedPDX - ON FLIGHT NR 2207, RETURNED TO GATE, DURING AUTOFEATHER TEST. THE NR 1 ENGINE FEATHERED NORMALLY, BUT WHEN LIFTING THE TEST SWITCHES TO CHECK NR 2, THE NR 1 ENGINE FEATHERED. MAINTENANCE REPLACED AUTOFEATHER CONTROLLER. AUTOFEATHER SYSTEM AND POWER UPOct 13, 2006 · N359PH · Dhav DHC8202SDR NSVA200600177Autocoarsen Sys · unknownTAKEOFF ROLL POWER PUSHED UP AUTOCOARSEN LIGHT CAME ON. PERFORMED TROUBLESHOOTING IAW SAAB AMM 61-22-00, FAULT ISOLATION. CHECKED WIRING TO P3 SWITCHES AND TEST SWITCHES. NO FAULTS FOUND. REMOVED AND REPLACED AUTO COARSEN COMPUTER IAW SAAB AMM 61-22-00, OPOct 10, 2006 · N339CJ · Saab 340BSDR NSVA200600175Autofeather Sys · no testLEFT ENGINE AUTOFEATHER TEST FAILED, REF FLT FORM 108390. PERFORMED AUTOFEATHER OPERATIONAL CHECKS IAW BEECH 1900 MM. AUTOFEATHER CHECKS SATISFACTORY AT THIS TIME.Oct 8, 2006 · N155CJ · Beech 1900DSDR CA061025007Control Cable · defective(CAN) AFTER A ROUTINE TRAINING FLIGHT THE PILOT REPORTED THAT THE RT PROP CONTROL WAS VERY STIFF AND SPRINGY AND THE PROP WAS SLOW TO FEATHER. THE CONTROL WAS DISCONNECTED FROM THE GOVERNOR AND THE DEFECT WAS CONFIRMED TO BE THE CONTROL CABLE. THE TTSN FOR THESep 30, 2006 · Beech E95SDR NSVA200600159Power Lever · out of adjustRIGHT PROP AUTOFEATHERED INFLIGHT DURING APPROACH TO LANDING UPON MOVING PROPS FULL FORWARD. PERFORMED ENGINE RUNS IAW 71-00-00, 3/4 KNOB SPLIT WITH TEST SWITCH ON 1500 RPM, 1800 FT. ADJUSTED POWER LEVERS IAW 76-10-00. NO OTHER DEFECTS NOTED, OPS CHECK GOODSep 26, 2006 · N155CJ · Beech 1900DSDR GLBA20060816Pressure Switch · intermittentON APPROACH RIGHT PROPELLER CYCLED IN AND OUT OF FEATHER, TURNED OFF AUTOFEATHER SYS, OPERATED CORRECTLY. REPLACED LOW PRESSURE SWITCH AND CONNECTOR FOR AUTOFEATHER SOLENOID.Aug 25, 2006 · N245GL · Beech 1900DSDR CA060821002Wire Harness · wrong part(CAN) HARNESS TOO SHORT WOULD NOT ALLOW PROPELLER TO FEATHER. PILOT COULD NOT FEATHER LT OR RT PROPELLERS DURING TRAINING FLIGHT. WRONG PROPELLER DEICE WIRING HARNESSES FOUND INSTALLED AND REPLACED WITH CORRECT P/N D5855-1. (TC NR 20060821002)Aug 15, 2006 · Cessna 310QSDR SWIA200616949Relay · malfunctionedAURAL TAKEOFF WARNING "AUTO FEATHER" ON CLIMB-OUT WITH AUTO FEATHER ARMED. REPLACED RELAY'S K0162 FEATHER SOLENOID RELAY NR 1 AND K0163 ELECTRIC FEATHER RELAY 1 ALSO TIGHTENED LOOSE CONNECTORS AT LT ENGINE TORQUE SIGNAL CONDITIONER. OPERATIONAL CHECKS GOOD, Aug 9, 2006 · N218SW · Emb EMB120ERSDR CA060906025Autofeather Sys · faulty(CAN) ON APPROACH THE PROPELLER FEATHERED UNCOMMANDED AND THE ENGINE WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INVESTIGATION REVEALED A FAULTY AUTO FEATHER UNIT. (TC NR 20060906025)Aug 2, 2006 · Aerosp ATR72SDR GLBA20060809Pressure Switch · intermittentPROPELLER SYSTEM FLUCTUATED IN AND OUT OF FEATHER ON APPROACH WITH INTERMITTENT AFX DISABLE LIGHT. REPLACED LOW PRESSURE SWITCH (PN 50-389121-47, SN 0245). (TOTAL TIME UNKNOWN)Jul 28, 2006 · N240GL · Beech 1900DSDR CA060831006Hydraulic System · failed(CAN) AIRCRAFT READIED AND RT ENGINE START PARAMETERS NORMAL. RT CONDITION LEVER ADVANCED TO MIN. RT PROP DOES NOT UNFEATHER. RT CONDITION LEVER RETARDED TO FEATHER. RT CONDITION LEVER ADVANCED TO MIN. RT PROP DOES NOT UNFEATHER. MAINTENANCE CALLED TO SIJul 7, 2006 · Dorner DO328100SDR 2006FA0000676Spring · brokenFEATHERING SPRING WAS FOUND TO BE BROKEN WHILE STILL INSTALLED IN SPRING KIT. THE SPRING BROKE IN 3 DIFFERENT PIECES. KIT WAS DISASSEMBLED AND INSPECTED FOR FURTHER DAMAGE. NOTE: PROPELLER WAS REMOVED FROM SERVICE 08-DEC-00. (K)Jul 6, 2006 · Stbros SD360SDR SWIA200616818Coupling · dirtyON FINAL APPROACH WITH AUTOFEATHER SWITCH ON, LEFT PROP SEEMED TO FEATHER. TORQUE JUMPED FROM 25 PERCENT TO 75 PERCENT AND NP DROPPED TO APPROX 38 PERCENT. CLEANED COUPLING ON LEFT TORQUE SIGNAL CONDITIONER. OPERATIONAL CHECKS GOOD. COULD NOT DUPLICATE DISJul 2, 2006 · N227SW · Emb EMB120ERSDR SWIA200616813Pump · malfunctionedTAKEOFF AURAL WARNING "AUTO FEATHER" DURING TAKEOFF ROLL WHEN AUTO FEATHER SWITCH WAS ON AND GREEN ARMED LIGHT ILLUMINATED. REPLACED RIGHT PROP AUX FEATHER PUMP. OPERATIONAL CHECKS GOOD, S/N OFF - 505.Jun 27, 2006 · N250YV · Emb EMB120ERSDR NSVA200600088Autocoarsen Sys · malfunctionedAUTO COARSEN ANNUNCIATOR ILLUMINATED UPON INITIAL POWER APPLICATION FOR TAKEOFF. TAXIED OFF THE RUNWAY AND RETURNED TO GATE. ANNUNCIATOR TURNED OFF AS SOON AS AUTO COARSEN SWITCH WAS TURNED OFF. PERFORMED AUTO COARSEN TEST IAW 61-22-00-05, OPS CHECK GOOD.Jun 22, 2006 · N242CJ · Saab 340BSDR MASA200601642Autofeather Sys · malfunctionedASH 6372 YUM - ABORTED TAKEOFF DUE TO AUTO FEATHER WOULD NOT ARM. MOC RESET WITH CREW AND OPS CHECK WAS GOOD.Jun 20, 2006 · N989HA · Dhav DHC8202SDR PT196042Jam-Nut · looseRT PROPELLER RPM DECREASES TOWARD FEATHER BEFORE PROP CONTROL IS BROUGHT BACK INTO FEATHER DETENT. FOUND JAM NUT ON FEATHER SPEED ADJUSTMENT SCREW HAD WORKED LOOSE AND THE ADJUSTMENT SCREW WAS BACKING OUT. THE DESIGN OF THESE NUTS HAS BEEN CHANGED IN THE LASJun 15, 2006 · N376W · Beech 58SDR CA060620002Solenoid Valve · sticking(CAN) OVERSPEED GOVERNOR REPLACED WITH AN OVERHAULED UNIT (DUE TO FEATHERING VALVE STICKING INTERMITTANTLY SEE SDR 20060620001) AND DURING FEATHER CHECK THE PROP WOULD NOT COME OUT OF FEATHER. ELECTRICAL SYSTEM CHECKED. NO FAULTS FOUND. ANOTHER SERVICEABLE Jun 15, 2006 · Pilats PC1245SDR LR7A06059Linkage · misriggedNR 3 ENGINE WENT TO FEATHER DURING INFLIGHT NTS CHECK. NTS GAP ADJUSTED IAW SMP581 CH 61-60. NR 3 ENGINE CONTROLS RIGGING AND OPS CHECK CARRIED OUT IAW SMP581 76-10. PROP BETA SCHEDULE AND NTS CHECKS CARRIED OUT. ENGINE RUN CARRIED OUT SATISFACTORY.Jun 15, 2006 · N402LC · Lkheed 382GSDR CA060620001Solenoid Valve · stickingFEATHERING SOLENIOD VALVE STICKING INTERMITTENTLY IN FEATHER POSITION AND THEREFORE PROP STAYS FEATHERED AFTER ENGINE START. FAULT ONLY OCCURS DURING QUICK TURN AROUNDS ON HOT DAYS. AFTER ENGINE COOLS VALVE OPERATES NORMALY.Jun 14, 2006 · Pilats PC1245SDR MASA200601591Autofeather Sys · malfunctionedASH 6079 DEN - NR 2 AUTO FEATHER INOP. MX DID ENGINE RUNS AND COULD NOT DUPLICATE.Jun 12, 2006 · N446YV · Dhav DHC8202SDR CA060530009Actuator · inoperative(CAN) DURING PRE-FLIGHT CHECKS WHEN PROP AUTOFEATHER, ON EITHER ENG, WAS SET TO TEST AND PWR LEVER ADVANCED, PROP WOULD GO INTO TEST (FEATHER) AND STAY THERE, RELEASING TEST SWITCH, SETTING PWR LEVERS TO IDLE DID NOT UN-FEATHER PROP. AUTOFEATHER SELECT SWITCH May 25, 2006 · Bombdr DHC8402SDR CA060517002Pcu · faultySHORTLY AFTER TAKEOFF, NR 1 PROP WENT SLOWLY IN AND OUT OF FEATHER (GENTLY) THREE TIMES. PRECAUTIONARY SHUT DOWN OF NR 1 ENGINE CARRIED OUT. AIRCRAFT DIVERTED TO NEAREST AIRPORT. MAINTENANCE INSPECTED AND REPLACED NR 1 PROP CONTROL UNIT, GROUND RUN AND LEAKMay 16, 2006 · Dhav DHC8311SDR KPVA200610Autofeather Sys · malfunctionedON TAKEOFF ROLL AUTOFEATHER FAILED TO ARM. PERFORMED OPERATIONAL CHECK OF FLIGHT CONTROL ELECTRONIC UNIT (FCECU) IAW TASK 27-00-00-01-200-802 PAGES 501-504. NO DEFECTS NOTED.May 7, 2006 · N539DS · Bombdr DHC8402SDR 03162006AControl Panel · malfunctionedON TAKEOFF LT ENGINE DID NOT ADVANCE TO CTOT DIALED POWER. REMOVED AND REPLACED CTOT PANEL IAW 76-10-50-04, OPS CHECK GOOD. P/N ON/OFF 7239060-503, S/N ON 219, S/N OFF 0320, OPS CHECK GOOD.Mar 15, 2006 · N356CJ · Saab 340BSDR QXEA200501833Control Unit · malfunctionedSEA FLIGHT NR 2230, AFTER PUSHBACK, RAN THE DAILY CHECKS ON THE AUTO FEATHER SYSTEM, THE NR 2 SIDE WOULD NOT FEATHER. UPTRIM LIGHT CAME ON AND ARM LIGHT COMES ON, THEN THERE IS NOT A FEATHER ALTERNATE FEATHER NEVER CAME ON THEN THE AUTO FEATHER ARM LIGHT WENTDec 25, 2005 · N353PH · Dhav DHC8202SDR QXEA200501840Propeller · malfunctionedSEA FLIGHT NR 2316: NR 2 ENGINE TAKES 32-34 SECONDS TO TRANSITION FROM FEATHER TO DISC. ALL OTHER INDICATIONS NORMAL. MAINTENANCE C/W THE FUNCTIONAL TEST OF THE PROPELLER TIME TO UNFEATHER ON NR 2 ENGINE PER Q400 AMM TASK 61-20-00-720-801. TIME TO UNFEATHERDec 23, 2005 · N403QX · Bombdr DHC8402SDR QXEA200501770Autofeather Sys · malfunctionedPDX FLIGHT 2308: AUTO FEATHER WOULD NOT ARM ON TAXI. OPS CHECK OK WHILE A/C IS STATIC. MAINTENANCE UPON INSPECTION FOUND NO FAULTS IN CDS. POWER DOWN A/C AND REINITIALIZED A/C. PERFORMED OPS TEST OF AUTO FEATHER SYSTEM IN BOTH MODES WITHOUT ENGINES RUNNINGDec 11, 2005 · N411QX · Bombdr DHC8402SDR QXEA200501546Autofeather Sys · malfunctionedPDX FLIGHT 2339: NO AUTOFEATHER SELECT ON ED. MAINTENANCE CYCLED SHIPS POWER, PERFORMED AUTOFEATHER TEST, STARTED BOTH ENGINES AND COULD NOT DUPLICATE. NO FAULTS RECORDED IN CDS. OK FOR CONTINUED SERVICE. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.Nov 19, 2005 · N402QX · Bombdr DHC8402SDR QXEA200501521Governor · inoperativeBIL - PDX, DIVERTED TO LWS AT FL 240 CRUISE, NR 1 ENGINE OIL PRESSURE BEGAN TO FLUCTUATE AND OIL PRESSURE DROPPED BELOW ALLOWABLE LIMITS AND ENGINE WAS SHUTDOWN. MAINTENANCE DOWNLOADED EMU AND SENT FILE TO TECH SERVICES FOR ANALYSIS. INSPECTED NR 1 ENGINE ANNov 13, 2005 · N413QX · Bombdr DHC8402SDR QXEA200501517Connector · dirtyPDX FLIGHT NR 2149, ON TAXI OUT FOR TAKEOFF, NR 1 AUTOFEATHER TEST FAILED TO TEST. MAINTENANCE CHECKED FOR 28 VOLTS AT NR 1 FEATHER VALVE, NO DEFECTS NOTED. REMOVED, CLEANED AND RESEATED CONNECTORS AT NR 1 ENGINE TSCU. COMPLIED WITH NR 1 AUTO FEATHER TEST IANov 12, 2005 · N366PH · Dhav DHC8202SDR CA051223008Circuit Board · crackedDURING CLIMB, THE ENGINE EXPERIENCED UNCOMMANDED TORQUE FLUCTUATIONS AND THE ENGINE WAS SHUT DOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED AN INTERMITTENTLY FAULTY AUTOFEATHER UNIT DUE TO A CRACKED INTERNAL CIRCUIT BOARD.Oct 30, 2005 · Aerosp ATR72212ASDR 11012005AAutofeather Sys · malfunctionedIN FLIGHT, LEFT ENGINE AUTOFEATHER LIGHTS LIGHTS EXTINGUISHED WITH POWER AT 3750 TORQUE. REMOVED AND REPLACED LT ENGINE AUTOFEATHER PRESSURE SWITCH PN 50-389121-21, SN ON 10015, SN OFF UNKNOWN.Oct 28, 2005 · N243CJ · Beech 1900DSDR 09192005CPropeller · malfunctionedLT PROP WILL NOT COME OUT OF FEATHER, MEL'ED.Sep 18, 2005 · N321CJ · Saab 340BSDR TRBA2005063Autofeather Sys · inoperativeAUTOMATIC TAKEOFF POWER CONTROL SYSTEM (ATPCS) DID NOT ARM DURING TAKEOFF POWER. REPLACED AUTO FEATHERING UNIT. (K)Sep 13, 2005 · N448AM · Aerosp ATR72212
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