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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR QXEA2010122300930Controller · malfunctionedAUTOFEATHER ARM WENT BACK TO AUTOFEATHER SELECT BETWEEN 80 AND 100KTS. REPLACED NR1 PEC. RETURNED TO SERVICE.SDR CA101217003Stop · broken(CAN) PILOT REPORTED THAT HE WAS HAVING DIFFICULTY CYCLING THE PROPELLERS AND THAT IT APPEARED THAT THERE WAS SOMETHING BLOCKING THE CONTROL. MAINTENANCE REMOVED THE THROTTLE QUADRANT COVER AND FOUND THAT THE PROPELLER FEATHER STOP HAD BROKEN INTO TWO PIECESSDR 2010FA0001244Autofeather Sys · malfunctionedLT ENGINE GOING INTO FEATHER IN FLIGHT.SDR CA101219002Engine · flamed out(CAN) FLAMEOUT DURING DESCENT IN ICING CONDITIONS, THE ENGINE FLAMED OUT FOR APPROX. 3 SEC. AND THEN AUTO RE-LIT. ALL PARAMETERS WERE NORMAL AFTER THE RE-LIGHT AND THE A/C LANDED AT DESTINATION SAFELY. GROUND INSPECTION FOUND MOISTURE IN THE AUTOFEATHER UNIT (SDR QXEA2010121300889Autofeather Sys · no testNR1 ENGINE AUTO FEATHER TEST. C/W FIM TASK 61-20-00-810-805. C/W OPS TEST OF NR1 PROP AUTO FEATHER AND UPTRIM IAW TASK 61-20-00-710-801 3 TIMES. TWICE STATIC AND ONCE ENGINES RUNNING. OPS TEST GOOD ALL 3 TIMES. NO PROP CODES APPEARED IN CDS. ACFT IS RETUSDR QXEA2010121300888Autofeather Sys · no testAUTO FEATHER TEST FOR NR1 ENG FAILS. CYCLED ACFT POWER. C/W AUTO FEATHER TEST IAW AMM 61-20-00-710-801, TR 61-078. TESTS GOOD. RETURNED TO SERVICE. NO PARTS REPLACED.SDR QXEA2010120700851Propeller · malfunctionedNR 2 PROP FAILED TO GO INTO DISC OR REVERSE ON LANDING OR DURING THE TAXI TO THE GATE. NR 2 PROP FINALLY WENT INTO DESC ABOUT 10 FT FROM OUR PARKING SPOT. INTERIGATED CDS. FOUND CODE 132B ON RT SIDE. C/W FIM 61-20-03-810-816. CLEARED FAULT IAW FIM. PERFORMEDSDR JJBA2010611129Tscu · malfunctionedFLIGHT CREW REPORTED THAT AUTOFEATHER DID NOT ARM ON TAKEOFF, FLIGHT CREW ABORTED TAKEOFF. MX CREW R & R TSCU AND RELAY 6121. PERFORMED OPS CHECK AND TEST FLIGHT SATISFACTORY.SDR 2010FA0001195Propeller · malfunctionedUNCOMMANDED AUTOFEATHER ON APPROACH.SDR MASA2010111101260Actuator · defectiveNR 1 PROP WILL NOT COME OUT OF FEATHER. REMOVED AND REPLACED NR 1 PROP ACTUATOR.SDR 2010FA0001167Propeller · malfunctionedUNCOMMANDED AUTOFEATHER.SDR GLBA20101105APressure Switch · malfunctionedLT SIDE PROP AUTOFEATHER W/ 1000LBS TQ SHORT FINAL. STOPPED AUTOFEATHERING ABOVE 1000 LBS TQ. MX INSPECTED THE SYS AND ADJUSTED THE FLIGHT IDLE TORQUE IAW AIM CH 7 SEC 2.5, PARA 2 AND REPLACED THE LOW PRESS SWITCH, RAN ENGINES, OPS CHECK GOOD IAW BMM.SDR QXEA2010110100695Autofeather Sys · malfunctionedAUTOFEATHER FAILED TO ARM ON TAKEOFF. ABORTED TAKEOFF AND RETURNED TO THE GATE. FOUND FAULT CODE 400 CH B NR2 PEC IN CDS. PERFORMED GVI OF NR 2 PEC, CONNECTOR PLUGS AND ASSOCIATED WIRING. NO DEFECTS NOTED. C/W NR2 PEC FAULT CLEAR IAW AMM TASK 61-20-36-070-80SDR GLBA20101028AAutofeather Sys · malfunctionedPILOT REPORTED THE THE RIGHT ENGINE CYCLED IN AND OUT OF FEATHER MULTIPLE TIMES ON SHORT FINAL, STARTED WITH TORQ AT 1K AND STOPPED WHEN BROUGHT ABOVE 2K TORQ, N1 AT 90-91% AT THAT TIME. MAINTENANCE INSPECTED THE LOW PITCH SOLONOID IAW MM 61-20-00, PERFORMED OSDR CA101109002Autofeather Sys · malfunctioned(CAN) POWER LOSS DURING CLIMB, THE NR 1 ENGINE HAD AN UNCOMMANDED SHUT DOWN FOLLOWED BY AUTO RE-LIGHT. AFTER THE RE-LIGHT, ALL PARAMETERS WERE NORMAL AND THE FLIGHT CONTINUED TO DESTINATION AS PLANNED. EXTENSIVE TROUBLESHOOTING WAS CARRIED OUT AFTER THE FLIGSDR V2JA2010F00221Autofeather Sys · malfunctionedRT ENGINE UNCOMANDED AUTOFEATHER AFTER POWER REDUCTION.SDR MASA2010092701033Signal Cond Unit · inoperativeAUTOFEATHER W/N ENGAGE AUTOFEATHER WILL NOT ENGAGE (RTG). MX R & R NR 1 SIGNAL CONDITIONER UNIT.SDR MTNA0910100001Brushes · wornDURING THE TAKEOFF ROLL THE AIRCRAFT LOST POWER DUE TO UN-COMMANDED FEATHERING OF THE PROPELLER. THE TAKEOFF WAS ABORTED. AFTER TROUBLESHOOTING THE MECHANIC FOUND A WORN BATA BRUSH THE PART WAS REPLACED. THE SYSTEM CHECKED GOOD AND THE AIRCRAFT WAS RETURNEDSDR CA100917001Spring · crackedPROPELLER WAS TIME EXPIRED. UPON DISASSEMBLY OF THE SPRING ASSY, THE FEATHERING SPRING WAS FOUND TO BE CRACKED. NO OTHER DAMAGE WAS FOUND.SDR GLBA201009061Autofeather Sys · malfunctionedCYCLED IN DURING APPROACH LT ENGINE ENTERED FEATHER & OUT OF FEATHER. MX TROUBLESHOT AUTOFEATHER SYS, SYS FOUND TO OPERATE NORMALLY IAW BMM 61-21-00.SDR 2010FA0001063Case · brokenPILOT REPORTED TO MX THAT WITH THE THROTTLE LEVER AT THE GATE (FWD SIDE OF GATE) THE ENGINE WAS GOING INTO REVERSE. THE SUBSEQUENT INSP FOUND THE REVERSE ROPE CASING HAD BROKEN AT THE SWIVEL JOINT. THE REVERSE ROPE ITSELF WAS STILL ATTACHED.SDR 2010F00203Propeller · malfunctionedON FINAL, LT ENGINE AUTO FEATHER CYCLED ON AND OFF.SDR CA100827004Stop · broken(CAN) DURING ROUTINE INSPECTION, THE PROPELLER FEATHER STOP WAS FOUND TO BE CRACKED AT THE LOWER PART. THIS IS THE THIRD OR FOURTH TIME THAT THIS HAS HAPPENED IN THE OPERATOR’S FLEET. WHEN THE SIDE OF THE STOP BREAKS THE SIDE PART PIVOTS AND WILL ACTUALLY PRSDR V2JA2010F00199Unknown · unknownAUTOFEATHER ENGAGES ON APPROACH TO LAND.SDR GLBA20100827AConnector · dirtyLT ENGINE AUTOFEATHERED AS DESCENDING WHEN INCREASING TORQUE. MAINTENANCE CLEANED THE TORQUE TRANSMITTER CONNECTOR ON THE LT ENGINE AND PERFORMED GROUND RUNS, CHECKED LEFT ENGINE RIGGING, ALL OPERATIONAL CHECKS GOOD PER RUN SHEET.SDR 2010FA0000893Autofeather Sys · malfunctionedACFT ATTEMPTED TO AUTOFEATHER ON APPROCH.SDR CA100831008Autofeather Sys · malfunctioned(CAN) IFSD DURING TAKEOFF ROLL, THE CREW OBSERVED TORQUE FLUCTUATION AND THE ENGINE WENT TO AUTOFEATHER. AFTER TAKEOFF THE PILOT SHUT DOWN THE ENGINE AND THE AIRCRAFT RETURNED TO POINT OF ORIGIN. UNEVENTFUL SINGLE ENGINE LANDING PERFORMED. TROUBLESHOOTING RSDR 2010FA0000883Autofeather Sys · activatedACFT ATTEMPTED AUTOFEATHER ON APPROACH, ACFT YAWED LT.SDR V2JA2010F00196Autofeather Sys · activatedRT ENGINE UNCOMMANDED AUTOFEATHER IN FLIGHT.SDR JJBA201061887Tscu · false indicationAUTO-FEATHER LIGHT REMAINED ON INFLIGHT AFTER AUTO FEATHER BUTTON DISCONNECTED. MX CREW REPLACED K-5 RELAY, PERFORMED GROUND MX RUN, OPS CHECK SATISFACTORY. RELEASED ACFT FOR TEST FLIGHT, AUTO-FEATHER LIGHT AGAIN, REMAINED ILLUMINATED AFTER AUTO-FEATHER BUTTSDR CA100817014Propeller · malfunctionedUNCOMMANDED FEATHER DURING CRUISE WITH CLEAR ATMOSPHERIC CONDITIONS, THE ENGINE HAD AN UNCOMMANDED FEATHER. THE ENGINE WAS SHUTDOWN AND SUBSEQUENTLY WAS RESTARTED SUCCESSFULLY. CREW ELECTED TO RETURN TO ORIGIN AND DECLARED EMERGENCY. ACFT LANDED WITH BOTH ESDR V2JA2010F00186Autofeather Sys · malfunctionedUNCOMMANDED AUTOFEATHER ON APPROACH.SDR ASAA1058116Servo · malfunctionedAUTOTHROTTLE INOP. COULD NOT DUPLICATE. PERFORMED A/T BIT PROCEDURE REF FIM:22 31/801 CURRENT STATUS CHECK & SERVO MOTOR CHECK ALL, CHECK NORMAL. BUT INFLIGHT FAULT REVIEW SHOWS ON RELATED FLT LEG FAULT NR 22 31502 NO ASM DATA NR 2 48 TIMES. ACCOMP WIRING SDR ASAA1058115Autothrottle Sys · malfunctionedTHE AUTOTHROTTLE SYSTEM WILL NOT STAY ENGAGED. PERFORMED FIM 22-32 TASK 806 A/T BITE 22-31 TASK 801 CURRENT STATUS GOOD. A/T FFR SHOWED 1 FLT ONLY W/ ASM 2 RATE MONITOR FAULT. PERFORMED FIM 22-31 TASK 805 CURRENT STATUS INTERACTIVE / THROTTLE / SERVO MOTORSDR CA100916002Spring · brokenPROPELLER WAS TIME EXPIRED. UPON DISASSEMBLY OF THE SPRING ASSY, THE FEATHERING SPRING WAS FOUND TO BE BROKEN. NO OTHER DAMAGE WAS FOUND.SDR 2010F00183Propeller · malfunctionedNR1 ENGINES GOES IN AND OUT OF FEATHER UNCOMANDED.SDR 2010FA0000738Propeller · malfunctioned(V2JR) ON APPROACH, LT ENGINE PROP AUTOFEATHERED.SDR GLBA20100628GCircuit Board · dirtySUSPECTED AUTOFEATHER - PILOTS REPORTED THAT THE LT AUTO FEATHER SYS DISENGAGED REPEATEDLY IN ALL POWER SETTINGS. MX REMOVED THE A123 PRINTED CIRCUIT BOARD, CLEANED CONTACTS, RE-INSTALLED THE A123 PRINTED CIRCUIT BOARD IAW MX INSTRUCTION 24-01. MX RAN THE ENGISDR CA100702002Propeller · malfunctionedAUTOFEATHER/IFSD DEPARTING AIRPORT, THE CREW EXPERIENCED AN UNCOMMANDED PROPELLER FEATHERING OF THE ENGINE AT TAKEOFF POWER. THE PILOT FOLLOWED EMERGENCY PROCEDURES AND SHUT THE ENGINE DOWN BEFORE RETURNING TO THE DEPARTURE AIRPORT WHERE AN UNEVENTFUL SINGLE SDR CA100916001Spring · brokenPROPELLER WAS TIME EXPIRED. UPON DISASSEMBLY OF THE SPRING ASSY, THE FEATHERING SPRING WAS FOUND TO BE BROKEN. NO OTHER DAMAGE WAS FOUND.SDR CA100622009Autofeather Sys · malfunctionedLOSS OF TORQUE/IFSD DURING CRUISE AT FL150, A LOSS OF POWER OCCURRED AND THE PILOT SHUT THE ENGINE DOWN. AFTER DESCENDING TO FL100, THE PILOT RE-STARTED THE ENGINE NORMALLY BUT WHEN AUTOMATIC WAS SELECTED, THE TORQUE READ ZERO AGAIN. THE ENGINE WAS SHUTDOWN SDR P4YA201061100002Autofeather Sys · no testAUTOFEATHER TEST FAILED NR 1 ENGINE. OPERATIONS CONTINUED IAW MEL NR 61-2 ITEM A, CAT B, DUE 13 JUN 2010.SDR HNAA2010050100144Relay · malfunctionedNR 1 FUEL FILTER BYPASS CAUTION LIGHT ILLUMINATED IN FLIGHT. R & R RELAY 6121-K5 (AUTOFEATHER ARM CONTROL RELAY) GROUND RUN ACFT IAW DASH 8 RUN UP MANUAL. OPS GOOD AT THIS TIME.SDR GLBA201005261Circuit Board · deterioratedSUP - PILOT REPORTED THAT ON APPROACH NR 2 ENGINE WENT IN AND OUT OF FEATHER WITH TORQUE APPROXIMATLY 750 LBS, AIRCRAFT YAWED BACK AND FORTH, TORQUE GAUGE SETTINGS WERE SIMILAR TO AUTOFEATHER TEST ON THE GROUND. REMOVED AND REPLACED CIRCUIT BOARD A123 IAW AIM SDR HNAA2010050100153Relay · failedDURING TAKEOFF ROLL, AUTOFEATHER ARM LIGHT DID NOT ILLUMINATED. R & R RELAY 6121-K5 (AUTOFEATHER ARM CONTROL RELAY). GROUND RAN ACFT IAW DASH 8 RUN UP MANUAL.OPS GOOD AT THIS TIME.SDR GLBA201005122Switch · deterioratedPILOTS REPORTED THAT THE RIGHT AUTOFEATHER CYCLED DURING LANDING. MAINTENANCE REMOVED AND REPLACED THE LEFT PRESSURE SWITCH. THE OPERATIONAL CHECK WAS GOOD IAW BMM 61-21-01. P/N ON AND OFF 50-389121-47. S/N OFF 0112.SDR GLBA201005121Switch · malfunctionedPILOTS REPORTED THAT THE AUTOFEATHER SEQUENCE CYCLED MULTIPLE TIMES DURING LANDING FLARE. MAINTENANCE ADJUSTED THE RIGHT AUTOFEATHER ARMING SWITCH IN THE PEDESTAL IAW BMM 61-21-02. OPERATIONAL CHECK WAS GOOD.SDR LR7A2010040800003Gasket · leakingDURING CRUISE FLIGHT NR 4 PROP LOW OIL LIGHT ILLUMINATED DUE TO LOW OIL AND SUBSEQUENT PROP FEATHERING FAILURE RESULTING IN THE FLIGHT CREW PERFORMING AN ENGINE SHUT-DOWN IAW QRH. REPLACED FAILED STANDBY FILTER COVER GASKET P/N 69494R223.SDR QXEA2010040900249Control Unit · malfunctionedON TAKEOFF ROLL AUTOFEATHER ARMED/DISRMED WITH A/F SWITCH SELECTED. PERFORMED TAKEOFF ABORT AT 90 KIAS. INTERROGATED CDS - FAULT CODES NR1 402, 494 A&B (INTERNAL PEC FAULT, UPTRIM STATE MACHINE FAULT). R & R NR 1 PEC IAW AMM TASKS 61-20-36-000-801/ 400-801. C/SDR GLBA20100329GCircuit Board · deterioratedSUSPECTED AUTOFEATHER - PILOTS REPORTED THAT THE NR 2 ENGINE AUTOFEATHER WAS CYCLING DURING FINAL APPROACH. MX R & R THE HIGH AND LOW PRESSURE SWITCHES IAW BMM 61-21-01. MX ADDITIONALLY R & R THE AUTOFEATHER PRINTED CIRCUIT BOARD IAW BMM 20-03-00. OPS CHECK
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