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 QXEA2014012900073Autofeather Sys · malfunctionedAUTOFEATHER SELECT LIGHT DID NOT ILLUMINATE ON ENGINE DISPLAY WITH AUTOFEATHER SELECTED. INTERROGATED CDS & FOUND FAULT CODE 494 ON BOTH ENGINES. COMPLIED WITH FIM 61-20-10-826. AUTO FEATHER TEST SUCCESSFUL. RETURNED TO SERVICE.SDR S9BA201400001Pressure Switch · inoperativeLEFT PROPELLER, UNSCHEDULED FEATHER ENROUTE. R & R ENGINE AUTO FEATHER PRESSURE SWITCH.SDR HNAA2013123000645Relay · failedAUTOFEATHER DID NOT ARM, DOES STATIC TEST OK. COULD NOT DUPLICATE. R & R RELAY 6121-K5 FOR TROUBLESHOOTING. GROUND RAN, OPS CHECKED GOOD AT THIS TIME.SDR QXEA2013122801565Autofeather Sys · unknownNR 2 PROPELLER AUTOFEATHER TEST FAILED. COMPLIED WITH FIM TASK 61-20-10-810-826. AUTOFEATHER TEST PASSED FOR BOTH ENGINES. NO FAULT CODES RECORDED. RETURNED TO SERVICE.SDR HNAA2013123000641Autofeather Sys · malfunctionedAUTOFEATHER E/N ARM ON TAKE OFF ROLL WITH TAKE OFF POWER SET. REJECTED TAKE OFF. COMPLIED WITH SELF TEST OF SYSTEM AND CHECKED GOOD.SDR CA131202008Autofeather Sys · failed(CAN) THE PILOTS REPORTED THE AUTOFEATHER FAILED TO ARM AND ELECTED TO ABORT THE TAKEOFF AND TO RETURN TO THE GATE. TROUBLESHOOTING IS ONGOING. FDR DATA WAS REQUESTED.SDR CA131202007Autofeather Sys · malfunctioned(CAN) DURING THE TAKEOFF ROLL, NR 1 ENGINE PROPELLER AUTOFEATHERED UNCOMMANDED. THE TAKEOFF WAS ABORTED WITHOUT INCIDENT AND THE ACFT RETURNED TO THE GATE.SDR CA131104018Autofeather Sys · malfunctioned(CAN) DURING TAKEOFF ROLL, THE NR 2 ENGINE HAD AN UNCOMMANDED AUTO-FEATHER. THE TAKEOFF WAS ABORTED AND THE ACFT RETURNED TO THE GATE SAFELY. THE INVESTIGATION IS ONGOING.SDR CA131021017Autofeather Sys · malfunctioned(CAN) DURING CLIMB THROUGH FL123, THE ENGINE TORQUE SUDDENLY DROPPED TO ZERO WITHOUT THE OTHER ENGINE PARAMETERS DROPPING DOWN TO ZERO. NO WARNINGS OR FAULT MESSAGES ILLUMINATED IN THE COCKPIT. THE ENGINE WAS SHUTDOWN AND SUCCESSFULLY RE-STARTED AND IT WAS CSDR GLBA2013101400340Circuit Breaker · failedPILOT REPORTED THAT THE LT AUTOFEATHER SYS WILL NOT ENGAGE, THE AUTOFEATHER LIGHT IS NOT ILLUMINATED, BUT DOES PRESS TO TEST. MAINTENANCE REPLACED PCB A129, PERFORMED RUN, OPS CK GOOD.SDR GLBA201310080336Propeller · malfunctionedPILOT REPORTED THAT ON SHORT FINAL THE RT PROP FEATHERED, BEFORE PROPS PUSHED FWD, PROPS AT 1550 TQ 1500, DID NOT SECURE ENG, PULLED PWR BACK TO IDLE, A/S 180 KTS, FLAPS 17, DECLARED EMERGENCY, SECURED ENG ON GROUND, 10 MINS FROM DEPT HAD TQ/PROP FLUX +-25RPMSDR HNAA2013092700518Relay · malfunctionedREJECTED TAKEOFF DUE TO AUTO FEATHER FAILURE TO ARM. GROUND RAN ACFT, COULD NOT DUPLICATE. R & R ARM CONTROL RELAY 6121-K5 FOR POSITIVE MX ACTION. OPS CHECKED GOOD AT THIS TIME.SDR CA130823003Autofeather Sys · malfunctioned(CAN) THE CUSTOMER REPORTED THAT THE LT ENGINE EXPERIENCED UNCOMMANDED AUTO FEATHER SHORTLY AFTER TAKEOFF. CREW PERFORMED IFSD AND SECURED THE ENGINE AND LANDED THE ACFT WITHOUT FURTHER INCIDENT. BOTH AFU WERE REPLACED.SDR HNAA2013081900468Control Unit · failedAUTOFEATHER FAILED TO ARM DURING TAKEOFF ROLL. ABORTED TAKEOFF AT 70 KNOTS. R & R NR 2 TSCU IAW MM 72-01-10. GROUND RAN ACFT. OPS CHECKED GOOD.SDR JJBA20130818006Autofeather Sys · malfunctionedON TAKEOFF ROLL AUTOFEATHER DID NOT ARM. IAW MX CONTROL, PERFORMED FUNCTIONAL TEST OF AUTOFEATHER SYS WITH NO FAULTS NOTED. OPS CHECKED SATISFACTORY.SDR QXEA2013081701286Propeller · malfunctionedNR 1 PROPELLER WOULD NOT COME OUT OF FEATHER. R & R NR 1 ENGINE PROPELLER OVERSPEED GOVERNOR AS A PRECAUTION IAW MM TASK 61-20-26-000-801 + 61-20-26-400-801. OPS CHECKED GOOD. RETURNED TO SERVICE.SDR QXEA2013081601272Unknown · unknownAUTOFEATHER SELECT BUTTON WILL NOT TEST WITH THE CAUTION ADVISORY TEST. PERFORMED GVI AND FOUND C/B F3 POPPED,"CAUTION ADV." NO HISTORY OF CIRCUIT BREAKER F3 WAS FOUND WITHIN THE LAST 14 DAYS. RESET CIRCUIT BREAKER IAW GPM 9.2.2 LAMP CHECKED GOOD. AUTOFEASDR QXEA2013081401254Autofeather Sys · malfunctionedAUTOFEATHER TEST ON PREFLIGHT, NR 1 ENGINE INDICATION FAILED, NR 2 ENGINE INDICATION ABORT. CDS SHOWS FC 494 A & B AND 228B NR 1 ENG C/W FIM 61-20-10-810-826 & 61-20-05-810-832. FAULTS CLEARED. AUTOFEATHER TESTED GOOD. NO FURTHER DEFECTS NOTED. RETURNED TO SERSDR QXEA2013080201204Autofeather Sys · failedNR 1 PROPELLER AUTOFEATHER CONTROL FAILS DAILY TEST. INTEROGATED CDS FOUND FAULT 228B ON NR 1 ENGINE C/W FIM TASK 61-20-65-810-832, FAULT CODE CLEARED A/F TEST PASSED. RETURNED TO SERVICE.SDR HNAA2013072400427Tscu · failedAUTOFEATHER ARM LIGHT REMAINED ON AFTER SELECTING SWITCH OFF. LIGHT EXTINGUISHED AFTER ACFT LEVELED OFF AND POWER LEVER RETARDED TO APPROX 40 PERCENT TORQUE DURING DESCENT AUTOFEATHER LIGHT RE-LLUMINATED AND EXTINGUISHED BEFORE TOUCH DOWN. R & R TSCU AND CLESDR HNAA2013072400426Tscu · inoperativeAUTOFEATHER DID NOT ARM ON TAKEOFF ROLL. ABORTED TAKE OFF. R & R NR 1 TSCU. OPS CHECKED IAW -8 RUN UP MANUAL. CHECKED GOOD.SDR HNAA2013072400422Autofeather Sys · malfunctionedAUTOFEATHER DID NOT ARM ON TAKEOFF ROLL. OAT +28, ABORTED TAKEOFF AND AUTOFEATHER ARMED ON TAXI WAY. INSPECTED SWITCHES, NO DEFECTS NOTED, GROUND RAN ACFT IAW -8 MX RUNUP MANUAL. OPS CHECKED GOOD.SDR 2013FA0000439Switch · faultyPROPELLER FEATHERING SYS MALFUNCTIONED ON RT ENGINE. COULD NOT BE UNFEATHERED. SUSPECT MICROSWITCH LOCATED IN THROTTLE QUADRANT ASSY.SDR HNAA2013071700411Autofeather Sys · malfunctionedAUTOFEATHER DID NOT ARM ON TAKEOFF. GROUND RAN ACFT AND COULD NOT DUPLICATE. OPS CHECKED GOOD.SDR QXEA2013070301153Control Unit · malfunctionedAUTOFEATHER TEST FAILED DAILY INSPECTION TEST. REPLACED NR 1 PEC IAW MX 6710006. RETURNED TO SERVICE.SDR HNAA2013070300389Autofeather Sys · malfunctionedAUTOFEATHER ARM LIGHT ILLUMINATED IN FLIGHT. ARM STAYS ILLUMINATED UNTIL BELOW 60 PERCENT TORQUE. NR 2 DOES NOT TEST. DUE TO AUTOFEATHER ARM LIGHT ILLUMINATED WITH AUTOFEATHER SELECTED. DEACTIVATED AUTOFEATHER SYS BY PULLING RELAYS 6121-K1 AND 6121-K2 FOR SDR HNAA2013062600370Tscu · inoperativeAUTO FEATHER ARMED DURING CLIMB. R & R NR 2 TSCU I AW CMM 72-01-10. R & R RELAYS 6121-K3 AND K4 IAW 61-21-01. OPS CHECKED GOOD. OK FOR SERVICE.SDR HNAA2013061400334Tscu · failedDURING TAKEOFF ROLL, AUTOFEATHER FAILED TO ARM. FOUND AUTOFEATHER DID NOT TEST STATICALLY. CYCLED POWER LEVERS, OPS CHECKED GOOD. R & R NR 2 TSCU IAW 72-01-10 AND INSPECTED POWER LEVER MICROSWITCHES. GROUND RAN ACFT. OPS CHECKED GOOD AT THIS TIME.SDR HNAA2013061000332Relay · failedAUTOFEATHER DOES NOT TEST STATICALLY ON EITHER SIDE. R & R RELAY 6121-K5. OPS CHECKED GOOD.SDR HNAA2013060700329Relay · inoperativeAUTOFEATHER WOULD NOT ARM ON TAKEOFF ROLL. R & R RELAY 61-21 K5. OPS CHECKED GOOD IAW MX RUN UP.SDR 2013FA0000313Autofeather Sys · inoperativeALL PRE-FLIGHT AND RUN-UP SYSTEM CHECKS HAD BEEN NORMAL, AND ALL SYSTEMS HAD BEEN OPERATING NORMALLY FOR ALL PREVIOUS LEGS OF THE FLIGHT. ON APPROACH REDUCED THE POWER TO APPROX 600 LBS OF TORQUE PER SIDE TO SLOW DOWN TO FOLLOW PRECEDING TRAFFIC. THE AUTOFEASDR EHAA20130530006Switch · looseON APPROACH, REDUCED POWER TO 600LBS., THE NR 2 ENGINE STARTED TO CYCLE IN AND OUT OF AUTOFEATHER AS IT WOULD DO WHEN TESTING THE AUTOFEATHER ON THE GROUND.SDR EHAA20130521005Switch · looseRIGHT AUTOFEATHER ACTIVATED ON APPROACH WITH NORMAL POWER SETTING.SDR 2013F00123Switch · activatedRIGHT AUTOFEATHER ACTIVATED ON APPROACH WITH NORMAL POWER SETTINGS.SDR 2013FA0000284Governor · failedPILOT STATED LT ENGINE DID NOT RESTART AFTER SHUTDOWN & SECURING. AT APPROX 1 MIN 15 SEC, BEGAN RESTART CHECKLIST FOR A STATIONARY PROP START. TURNED ON LT ENGINE MASTER, NOTICED LT PROP DID NOT MOVE OR UNFEATHER. INSPECTED FEATHERING SYS & FOUND 39 OHM,SDR V2JA0504134151771Autofeather Sys · malfunctionedCREW REPORTS UNCOMMANDED AUTOFEATHER ON LEFT ENGINE.SDR RU3A20130503007Autofeather Sys · malfunctionedDURING RUN UP AUTO FEATHERS CHECKED SAT. DURING POWER UP ON TAKEOFF ROLL AUTO FEATHERS ARMED AT APPROX 80 KTS PLUS LEFT AUTO FEATHER LIGHT WENT OUT. TAKEOFF ABORTED. STOPPED ON RUNWAY, DID A RUN UP AND AUTO FEATHER ARMED. BEGAN A SECOND TAKEOFF ROLL AND ATSDR CA130412017Switch · failed(CAN) PILOT ENCOUNTERED LT AUTOFEATHER ACTIVATION WHEN REDUCING TO CLIMB POWER SETTING. PILOT RESUMED TO POWER LEVER SETTING AND PROP UNFEATHERED. PILOT SHUTOFF AUTOFEATHER SYS. UN COMMANDED AUTOFEATHER ACTIVATION WAS TROUBLESHOT TO UNSERVICEABLE LT AUTO-FESDR HNAA2013030400101Autofeather Sys · malfunctionedON TAKEOFF ROLL, AUTO FEATHER DID NOT ARM. ATTAINED 90 PERCENT TORQUE FOR 2 TO 3 SECONDS. ABORTED TAKEOFF, CREW GROUND RAN ACFT AFTER CYCLING POWER AND CONDITION LEVERS. AUTO FEATHER ARMED AT 76 PERCENT TORQUE. PERFORMED WC 61-21-04 AUTOFEATHER CONTROLLER SDR V2JA20121218004Autofeather Sys · activatedUNCOMMANDED AUTO FEATHER ON FINAL.SDR QXEA2013021200383Autofeather Sys · malfunctionedNR 1 ENGINE AUTOFEATHER TEST FAILED. REPLACED THE NR 1 ENGINE PEC AS A PRECAUTION IAW 61-20-36-000-801 & 61-20-36-400-801 & MX 6710006. OPS CHECKED GOOD. RETURNED TO SERVICE.SDR V2JA0208134143337Switch · dirtyUNCOMMANDED AUTOFEATHER IN FLIGHT ON LAST LEG. POWER LEVERS, AND ALL ENGINE PARAMETERS WERE EQUAL. FOUND SWITCH DIRTY.SDR V2JA20121218003Propeller · faultyUNCOMMANDED AUTO-FEATHER OF RT ENGINE ON FINAL.SDR RNVA20130325002Autofeather Sys · malfunctionedPILOT REPORTS THAT DURING FINAL SHUT DOWN OF THE DAY THAT THE PROP DID NOT GO INTO FULL FEATHER CONDITION.SDR CA121126001Autofeather Sys · malfunctioned(CAN) AFTER TAKE OFF AT APPROXIMATELY 600 FT ASL, THE CREW NOTED NR 1 ENGINE POWER SURGING, FOLLOWED BY WHAT SEEMED TO BE A FLAMEOUT. THE CREW SECURED THE ENGINE AND RETURNED TO THE DEPARTURE AIRPORT FOR A SAFE SINGLE ENGINE LANDING. TROUBLESHOOTING IS ON-GSDR CA121105001Autofeather Sys · malfunctioned(CAN) DURING CLIMB THROUGH FL50, THE NR 2 ENGINE SUDDENLY LOST POWER AND PROPELLER FEATHERED WITHOUT ANY WARNING INDICATIONS. THE ENGINE WAS SECURED AND THE FLIGHT RETURNED TO THE DEPARTURE POINT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. POST FLIGHSDR CA121105009Autofeather Sys · malfunctioned(CAN) DURING T/O ROLL, THE ACFT AUTOMATIC TAKEOFF POWER CONFIGURATION SYSTEM, ATPCS, AIRFRAME, WOULD NOT ARM. THE T/O WAS ABORTED AND THE ACFT RETURNED TO THE RAMP. EXTENSIVE TROUBLESHOOTING RESULTED IN THE REPLACEMENT OF BOTH ENGINE`S AUTO FEATHER UNIT, AFUSDR V2JA0781054100212Switch · dirtyDESCRIPTION OF EVENT: CREW REPORTS UNCOMMANDED AUTOFEATHER ON SHORT FINAL. CLEANED & ADJUSTED AUTOFEATHER CAM SWITCHES IAW AMM 76-11-00. OP`S CHECK IAW AMM 71-00-00.SDR CA121003011Control Box · malfunctioned(CAN) PROP AUTOFEATHER ARM LIGHT DID NOT COME ON WHEN THE PILOT ADVANCED POWER FOR TAKEOFF, THE CREW REJECTED T/O AT OR AROUND 20KT. AUTOFEATHER CONTROL BOX WAS REPLACED, THE ACFT RETURNED TO SERVICE AFTER OPS CHECK OF AUTOFEATHER SYS BY HIGH POWER ENGINE RUNSDR CA121015004Switch · failed(CAN) AUTOFEATHER WOULD NOT ARM ON TAKEOFF. SELECT WAS ILLUMINATED. ABORTED AT 50 KTS. MAINTENANCE FOUND FAULT CODE 70A ON NR 1 PEC DUE TO AUTOFEATHER SWITCH STICKING AND NOT LATCHING CORRECTLY. AUTOFEATHER SWITCH.
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