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 QXEA201209290115Control Switch · malfunctionedAUTOFEATHER WOULD NOT ARM ON TAKEOFF ROLL. SELECT LIGHT WAS ILLUMINATED. ABORTED T/O AT APPROX 50 KNOTS. INTEROGATED CDS AND FOUND FAULT CODE 70A ON NR 1 PROPELLER, FOUND AUTOFEATHER SWITCH STICKING AND NOT LATCHING PROPERLY. REMOVED FUEL/ ENGINE/ PROPELLER CSDR 2012FA0000644Governor · pressure lossON CLIMB OUT AFTER TAKEOFF, AT APPROXIMATELY 500 FT AGL, THE RT ENGINE PROPELLER WENT TO A FULL FEATHER. ENGINE SHUTDOWN AUTOMATICALLY AND ONE ATTEMPT TO RESTART WAS MADE WITH NO SUCCESS. A LANDING WAS EXCUTED WITHOUT INCIDENT. SUSEQUENT GROUND INSPECTION SDR V2JA078L114690712Pressure Switch · malfunctionedTHE CREW REPORTED THAT DURING FINAL APPROACH THEY RECEIVED AN UNCOMMANDED AUTO-FEATHER ON THE RT ENGINE. LANDED SAFELY. SWAPPED LT & RT AUTOFEATHER LOW PSI SWITCHES IAW AMM 61-21-00. CLEANED AND RESET OF RT AUTOFEATHER PRESSURE SWITCHES CONNECTORS. ACCOMPLISDR HNAA2012090500944Unknown · malfunctionedAUTOFEATHER WILL NOT ARM ON TAKEOFF ROLL. ABORTED TAKEOFF IAW MOC. PERFORMED GROUND TEST OF AUTOFEATHER. OPS CHECKED NORMAL AT THIS TIME.SDR QXEA2012083100969Propeller · malfunctionedNR 1 PROP FEATHER TEST FAILED. CHECKED CDS FOR FAULT CODES, NONE FOUND. OPS TEST OF THE PROPELLER AUTOFEATHER & UPTRIM SYS IAW AMM 61-20-00-710-801. CHECKED GOOD, NO DEFECTS NOTED. COULD NOT DUPLICATE. NO PARTS REPLACED.SDR V2JA078L105482812Propeller · malfunctionedRIGHT PROPELLER UNCOMMANDED AUTOFEATHER PRIOR TO LANDING. ADJUSTED BETA VALVE AND INSPECTED BETA RING IAW AMM, CH: 76-10-00. OPS CHECKED GOOD, NO DEFECTS NOTED.SDR V2JA2012082200001Autofeather Sys · malfunctionedTHE CREW REPORTS THEY RECEIVED AN UNCOMMANDED AUTOFEATHER ON THE LT ENGINE ON THE DESCENT. LANDED SAFELY.SDR SWIA201231588Relay · failedTRIPLE CHIME AUTO FEATHER WARNING CONTINUOUS WITH SWITCH IN THE ON POSITION. (FLT 5516) REPLACED RELAYS K0039 AND K0161.SDR HNAA2012081300912Electronic Unit · failedON TAKEOFF ROLL AUTO FEATHER DID NOT ARM. R & R AUTOFEATHER ARM LIGHT RELAY AND NR 1 TSEU IAW MM 72-01-10. GROUND RAN IAW -8 RUNUP MANUAL. ARMED AT 90 PERCENT TORQUE. OPS CHECK GOOD.SDR CA120802003Autofeather Sys · malfunctioned(CAN) AFTER TAKEOFF AT FLIGHT LEVEL 500 FT, THE "UP TRIM" WARNING ILLUMINATED ON NR2 ENGINE WHILE THE NR 1 TORQUE INDICATED "0". THE NR 1 ENGINE WAS SHUTDOWN AND SECURED BEFORE THE CREW RETURNED TO THE DEPARTURE POINT WHERE AN UNEVENTFUL SINGLE ENGINE LANDINSDR CA120720008Switch · binding(CAN) PILOT DISCOVERED LT FEATHER BUTTON SUCKED IN WHEN BATTERY MASTER TURNED ON. FOUND ON DI BEFORE DISPATCH. WE FOUND THE LT E-HANDLE SWITCH BLOCK PLUNGER JAMMED IN THE DRPRESSED POSITION. THE SPRING THAT NORMALLY PUSHES IT BACK HAD FALLEN OUT DUE TO THE RSDR QXEA2012071400692Propeller · no testNR 1 PROPELLER FAILS ALTERNATE FEATHER CHECK.SDR 2012FA0000463Accumulator · emptyTHE RT PROPELLER ACCUMULATOR WAS AT ZERO PSI AFTER LANDING. THE RT PROPELLER WAS UNABLE TO COME OUT OF FEATHERED POSITION IN FLIGHT.SDR A8OA201207100001Pcb · failedNR 1 PROPELLER ATTEMPTED TO FEATHER IN FLIGHT WITH AUTOFEATHER ARMED. TROUBLESHOT AND FOUND 2 BAD DIODES ON PCBA123. REPLACED DEFECTIVE PC BOARD WITH INSPECTED UNIT. OPS CHECKED GOOD. NO FURTHER OCCURRENCES.SDR V2JA078L062712Propeller · malfunctionedON APPROACH, REACHING A 1000 FT, FULLY CONFIGURED FLAPS DOWN AND SLOWING THROUGH 135 KTS. SLOWLY ADVANCED THE THROTTLE. NOTICED A STRONG YAW AND WHEN LOOKING DOWN AT THE INSTRUMENTS NOTICED THE RIGHT TOURQUE WAS CONSIDERABLY LOWER THEN THE LEFT BUT CLIMBINGSDR V2JA201201160020Pressure Switch · malfunctionedUNCOMMANDED AUTOFEATHER ON RT ENG DURING APPROACH. SYS DEACTIVATED, ACFT LANDED WITHOUT INCIDENT. ADJUSTED AUTOFEATHER CAM SWITCHES IAW MM 76-11-00. OPS CHECKED GOOD.SDR V2JA201201160018Autofeather Sys · malfunctionedDURING APPROACH, THE CREW REPORTS THEY EXPERIENCED AN UN-COMMANDED AUTO-FEATHER ON THE RT ENGINE. ACFT LANDED WITHOUT INCIDENT. ADJUSTED RT SERRATED WASHER IAW AMM 76-10-00, ADJUSTED AUTOFEATHER CAM SWITCHES IAW AMM 76-20-00, AUTOFEATHER SYS OPS CHECKED GOODSDR V2JA201201160017Autofeather Sys · malfunctionedDURING APPROACH, CREW EXPERIENCED AN UNCOMMANDED AUTOFEATHER ON THE RT ENGINE. LANDED WITHOUT INCIDENT. AFTER LANDING, THE RT ENGINE WOULD NOT GO INTO BETA MODE. INSPECTED THROTTLE CABLE & LINKAGE FOR OBSTRUCTION & FREEDOM OF MOVEMENT IAW AMM 76-10-00. PERFSDR V2JA201201160016Autofeather Sys · out of adjustDURING APPROACH, THE CREW REPORTS THEY EXPERIENCED AN UN-COMMANDED AUTOFEATHER ON THE RT ENGINE. ADJUSTED RT SERRATED WASHER IAW AMM, CH: 76-10-00, ADJUSTED AUTOFEATHER CAM SWITCHES IAW AMM, CH: 76-20-00 AUTOFEATHER SYS OPS CHECKS GOOD, IAW AMM, CH: 71-00-00.SDR V2JA201201160014Autofeather Sys · malfunctionedON APPROACH, ENCOUTERED UNCOMMANDED AUTOFEATHER, LANDED WITHOUT INCIDENT.SDR CA120525008Switch · malfunctioned(CAN) DURING TAKEOFF ROLL, THE RT ENGINE AUTOFEATHERED AT LOW SPEEED. MAINTENANCE FOUND THE LOW TORQUE SWITCH HAD FAILED, CAUSING THE PROPELLER TO AUTOFEATHER. THE TORQUE SWITCH IS A TIME-CONTROLLED PART AND HAD ACCUMULATED 15.9 HRS & 11 CYCLES SINCE LAST O/SDR BIGA201205151202Linkage · out of adjustTHE AIRCRAFT WAS TEST FLOWN FOR NTS SHUTDOWN WHICH REQUIRES THE SHUTDOWN OF THE NR 2 ENGINE IN FLIGHT. THE SPEED LEVER WAS PULLED OVER THE GATE AND INTO THE STOP AND FEATHER POSITION, THE MANUAL FUEL SHUTOFF CUT THE FUEL TO THE ENGINE, BUT THE FEATHER VALVE DSDR V2JA201201160013Propeller · malfunctionedCREW EXPERIENCED LEFT ENGINE UNCOMMANDED AUTOFEATHER ON APPROACH TO DESTINATION. CREW DEACTIVATED SYSTEM. ACFT LANDED SAFELY. ADJUSTED LT & RT POWER LEVER CAM SWITCHES AND PERFORMED AUTOFEATHER HIGH & LOW PRESSURE SWITCH FUNCTIONAL TEST IAW AMM, OPS CHECKED SDR CA120523005Engine · flamed out(CAN) SHORTLY AFTER T/O AN ENGINE FLAME OUT OCCURRED. THE ACFT HAD REACHED 700 FT IN ALTITUDE AND THE CREW RETURNED TO THE DEPARTURE AIRPORT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. TROUBLESHOOTING INDICATED THAT THE EVENT HAD LIKELY BEEN CAUSED BSDR V2JA20120160012Switch · out of adjustDURING FINAL & LANDING, THE CREW REPORTED AN UNCOMMANDED AUTOFEATHER ON THE RT ENGINE. THE ACFT LANDED SAFELY. ADJUSTED RT ENGINE AUTOFEATHER CAM SWITCH TO MATCH CORRECT PERCENT NG SETTING. REF: AMM 76-11-00. AUTOFEATHER OPS CHECKED GOOD AT THIS TIME.SDR GLBA2012042601Pressure Switch · malfunctionedPILOT REPORTED THAT THE LT ENGINE ATTEMPTED TO FEATHER IN FLIGHT AT APPROX 1000 FT/LBS OF TORQUE ON THE LT AND RT SIDE. MT TROUBLESHOT LEFT LP SWITCH, R & R LT AFX LOW PRESSURE SWITCH IAW BMM 61-21-01, OPS CHECKED GOOD.SDR GLBA2012042301Circuit Board · damagedPILOT REPORTED THAT THE LT AUTOFEATHER SYS DISARMED AND REARMED REPEATEDLY DURING FLIGHT. MX REPLACED THE PCB A123, OPS CHECKED GOOD.SDR V2JA20120160011Switch · malfunctionedDURING FINAL APPROACH, THE LT ENGINE HAD AN UNCOMMANDED AUTOFEATHER. ACFT LANDED SAFELY. R & R THE HIGH & LOW PRESSURE AUTOFEATHER SWITCHES. INSTALLED SERVICEABLE UNITS, LEAK & FUNCTION CHECKS NORMAL. ACFT RETURNED TO SERVICE.SDR 2012FA0000234Propeller · malfunctionedPILOT REPORTED THAT THE RT PROPELLER WENT TO FEATHER UNCOMMANDED ON TAKEOFF ROLL. UPON ARRIVAL BY MX, THE ENGINE WAS INSPECTED WITH NO DEFECTS NOTED. AS A PRECAUTION, R & R RIGHT PROP GOVERNOR. GROUND RAN LT AND RT ENGINES WITH ALL PARAMETERS OPERATIONALLY SDR CA120423006Engine · abnormal(CAN) DURING ACCELERATION TO TAKEOFF POWER, NR 1 ENGINE AUTO-FEATHERED. THE FLIGHT WAS CANCELLED. THE ACFT RETURNED TO THE GATE WHERE TROUBLESHOOTING IS ON-GOING.SDR ERAA20120036Pressure Switch · defectiveAFX DISABLE LIGHT - RIGHT AUTO FX DIDN'T ARM. REMOVED AND REPLACED NR 1 AUTO FEATHER HIGH PRESSURE SWITCH IAW MM 61-21-00. OPS CHECKED GOOD IAW MM 61-21-00. LEAK CHECKED GOOD. OK FOR CONTINUED SERVICE AT THIS TIME.SDR TRBA201207301Autofeather Sys · inoperativeTHE CREW REPORTED THAT WHILE TAXING OUT FOR TAKEOFF, THE NR 2 ENGINE DID AN UN-COMMANDED FEATHERING. THE ACFT RETURNED TO THE BLOCKS AND WAS REMOVED FROM SERVICE. R & R THE RT ENGINE AUTOFEATHER UNIT IAW MM 72-01-10. PERFORMED OPS CHECK IAW JIC 61-22-00 ANSDR HNAA2012020800565Rccb · malfunctionedNR 1 ALTERNATE FEATHER LIGHT DOES NOT ILLUMINATE DURING STATIC OR ENGINE RUN AUTO FEATHER TEST. R & R DIM AND TEST BOX. NO FIX. REINSTALLED ORIGINAL. R & R RCCB 6121 CB3 IAW STANDARD MX PRACTICE. GROUND RAN ACFT IAW -8 RUN UP MANUAL. OPS CHECKED GOOD.SDR QXEA2012012700132Control Unit · malfunctionedON TAKEOFF ROLL WITH POWER LEVERS IN THE RATING DETENT, AUTOFEATHER FAILED TO ARM. AUTOFEATHER SWITCHLIGHT WAS DEPRESSED AND "SELECT" WAS ILLUMINATED. TAKEOFF WAS ABORTED ABOVE 60 KTS BUT LESS THAN 80 KTS. RETURNED TO THE GATE. INTERROGATED CDS FOR FAULTS. SDR V2JA201201060003Switch · out of adjustUNCOMMANDED AUTOFEATHER ON APPROACH. ADJUSTED CAM SWITCHES IAW 76-11-00 , OP CHECKED GOOD IAW 71-00-00.SDR J8UR20120118001Pressure Switch · failedPROPELLER AUTO-FEATHER DOES NOT TEST DURING GROUND AND PRE-FLIGHT ENGINE RUNS. GROUND IDLE SOLENOID FAILS TO OPERATE PROPERLY.SDR QXEA2012012300021Indication Sys · malfunctionedWHEN SELECTED, AUTOFEATHER SWITCH INDICATES SELECT BUT ED DOES NOT SHOW "AF SELECT" PROBLEM OCCURED AFTER ACFT WAS DEICED. CW FIM TASK 61-41-00-810-813 PROP INDICATION ED INDICATION DISCREPANCY AND NO RELATED FAULTS NOTED. CW AMM TASK 61-20-00-710-801 OPS TSDR QXEA2012011700011Autofeather Sys · malfunctionedAUTOFEATHER FAILED TO ARM ON TAKEOFF. ABORTED TAKEOFF AT 60 KNOTS AND RETURNED TO THE GATE. INTERAGATED CDS FOUND FAULT CODES 494 & 422 ON NR 1 ENGINE. C/W FIM 61-20-10-810-826 FOR FAULT 494 FAULT CODE CLEARED. C/W FIM 61-20-09-810-813 FAULT CODE CLEARED OPSSDR 3PRA2012011100099Relay · malfunctionedNR 1 PROPELLER FEATHERED WHILE ON THE GROUND AND PARKED. R & R RELAY. ACFT COMES OUT OF FEATHER.SDR 2011FA0000810Autofeather Sys · malfunctionedUNCOMMANDED AUTOFEATHER IN FLIGHT/APPROACH.SDR V2JA2012F00035Autofeather Sys · malfunctionedUNCOMMANDED AUTO FEATHER ON SHORT FINAL, SUSPECT LT ENGINE.SDR V2JA2012F00037Autofeather Sys · failedUNCOMMANDED AUTO FEATHER ON SHORT FINAL.SDR GLBA20111213FWarning Light · false activationPILOT REPORTED THAT ON DPARTURE AUTOFEATHER ANNUNCIATOR ILLUMINATED. MX PERFORMED, OPS CHECKED IAW RUN WORKSHEET AND BMM 61-21-00, NO DEFECTS NOTED.SDR GLBA20111212JCircuit Board · malfunctionedPILOT REPORTED THAT THE RT ENGINE WILL NOT AUTOFEATHER DURING TEST. MX RESEATED THE A123 PCB, OPS CHECKED GOOD.SDR CA111212005Solenoid Valve · malfunctioned(CAN) WHILE CONDUCTING 24 HOUR TESTS NR 1 AUTO FEATHER SYS WOULD NOT TEST. TROUBLESHOT SYS FOUND AN OPEN CIRCUIT IN THE NR 1 FEATHER SOLENOID VALVE. REPLACED NR 1 FEATHER SOLENOID VALVE, GND TESTED SYS, CHECKED SERVICEABLE.SDR GLBA20111128FSolenoid · dirtyPILOT REPORTED THAT THE ACFT YAWED TO THE LT IN THE LANDING FLARE. MX CLEANED THE LOW PITCH SOLENOID, OPS CHECKED GOOD.SDR 2012F00013Autofeather Sys · malfunctionedAUTOFEATHER CYCLES DURING LANDINGSDR 2012F00012Autofeather Sys · malfunctionedAUTOFEATHER CYCLES DURING LANDING WITH LOW POWER SETTING.SDR GLBA20111114FPressure Switch · inoperativeRIGHT AUTOFEATHER WILL NOT TEST DURING RUN UP. MX REPLACED THE RT ENGINE AUTOFEATHER LOW PRESSURE SWITCH.SDR GLBA20111109GPcb · inoperative"SUP" - PILOT REPORTED THAT THE AFX DISABLE WILL NOT ILLUMINATE DURING AUTOFEATHER TEST. MX REPLACED PCB 129-364091-9 SN: 559895, REF MM 61-21-00, OPS CK GOOD.
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