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 CA150120024Autofeather Sys · malfunctioned(CAN) FLIGHT CREW REJECTED TAKE-OFF WHEN AUTO-FEATHER DID NOT ARM DURING THE TAKE-OFF ROLL. RETURNED TO GATE. MAINTENANCE ACTION: FOUND F/C 294, 402, 408 & 494 (ON CH A) NR 1 ENGINE. ALSO, 402 & 494 (ON CH B) NR 1 ENGINE. F/C CLEARED EXP 494. A/F SELECTED AGAISDR SWIA201540603Autofeather Sys · malfunctionedLEFT ENGINE EXPERIENCED UNCOMMANDED FEATHER MOMENTARILY DURING TAXI. RAN LT ENGINE, COMPLIED WITH A ELECTRIC FEATHER AUTOFEATHER AND MECHANICAL FEATHER, ALL TESTS PASS NO UNCOMMEDED FEATHER NOTED IAW AMM.SDR QXEA2014123001118Autofeather Sys · no testDURING DAILY SYSTEM CHECK OF THE AUTOFEATHER SYSTEM, AF TEST "ABORT" OBSERVED ON DISPLAY. INTERROGATED CDS NO FAULTS CHECKED. CIRBUIT BREAKERS FOUND K4 RT C/B UP. RESET K-4 REF GPM 9.2.2.1. RAN ENGINES K-4 C/B, RIGHT STAYED SET. C/W AUTO FEATHER TEST AMM SDR QXEA2014122001105Propeller · malfunctionedAFTER NR 1 ENGINE START, THE ENGINE WOULD NOT COME OUT OF FEATHER. RESET THE NR 1 ALTERNATE FEATHER SWITCH IN THE CDS PANEL. GROUND RAN NR 1 ENGINE. PROPELLER FEATHERING CHECKED GOOD RETURNED TO SERVICE.SDR CA150113033Diaphragm · failed(CAN) FOUND ACCUMULATOR DIAPHRAGM FAILED, OIL ON PRESSURE SIDE.SDR HNAA2014120300339Relay · malfunctionedREJECTED TAKEOFF. AUTOFEATHER NOT ARMING. RIG CHECKED BOTH ENGINES, MADE ADJUSTMENT TO POWER ROD ON NR 2. ALL DONE IAW WC 76-00-02Q. R & R AUTOFEATHER ARM CONTROL RELAY 6121-K5 IAW STANDARD MAINTENANCE PRACTICES. TRIMMED BOTH ENGINES AND OPS CHECKED AUTO FSDR GLBA2014112400469Printed Ckt Board · faultyPILOT REPORTED THAT ON CLIMB OUT AFX DISABLE LIGHT ILLUMINATED, N1 ABOVE 91% ON THE RT SIDE. REPLACED PCB A123, PN 129-364091-9, SN ON 993-F-94, SN OFF 799-C-93 IAW MI 34-01, SYS OPERATIONS CHECK GOOD.SDR HNAA2014102700298Control Unit · failedAUTOFEATHER FAILED TO ARM ON TAKEOFF ROLL, 70 KNOTS AT 90 PERCENT TORQUE. R & R NR 2 TSCU IAW P/W MANUAL 72-01-10. GROUND RAN ACFT, OPS CHECKED GOOD IAW P/W RUN UP MANUAL.SDR QXEA2014102300856Autofeather Sys · malfunctionedAUTOFEATHER SYSTEM NOT ARMED WITH THE POWER LEVERS IN THE DETENT FOR TAKEOFF. ABORTED TAKEOFF. RETRIEVED FAULT CODES REF 61-20-710-804. FOUND FOLLOWING FOR NR1 SIDE: 494,398. CLEARED CODES IAW TASK 61-20-36-070-801. COMPLIED WITH OPS TEST OF PROPELLER AUTOFEASDR CA141022009Pressure Switch · failed(CAN) AFTER TAKE OFF, THROUGH 400 FT. THE LEFT ENGINE FEATHERED. PILOTS ORIGINALLY THOUGHT THERE WAS AN ENGINE FAILURE AS TORQUE WAS INDICATING ZERO. PIC MADE THE CALL FOR FLAPS 30. UPON CONFIRMING AND PARTIALLY RETARDING NR 1 POWER LEVER, THE TORQUE CAME BACKSDR CA141021015Switch · failed(CAN) REJECTED TAKEOFF AT 60 KNTS DUE TO AUTOFEATHER NOT ARMING. (PROPELLER AUTOFEATHER SYSTEM) DURING TROUBLESHOOTING IT WAS NOTED THAT THE AUTOFEATHER SELECT SWITCH FAILED TO PROVIDE A SOLID GROUND FOR THE ARMING CIRCUIT, AUTOFEATHER SELECT SWITCH P/N 95-42-SDR QXEA2014093000812Control Unit · malfunctionedAUTOFEATHER DID NOT ARM ON T/O. ABORTED TAKEOFF 90 KNOTS. FOUND FAULT CODE IN CDS NR 1 PROP 206A/B. C/W AUTO FEATHER TEST AND UPTRIM SYS REF AMM 61-20-00-710-801. AUTO FEATHER TEST FAILED ON NR 1. DUE TO HISTORY OF NR 1 PEC. R & R NR 1 PEC IAW AMM TASK 61SDR QXEA2014092900811Autofeather Sys · malfunctionedAUTOFEATHER FAILED TO ARM DURING TAKEOFF. ABORTED TAKEOFF 80 KNOTS. CDS REPORTED FAULT CODE 206 ON THE NR 2 ENGINE. COMPLIED WITH FIM TASK 61-20-05-810-820, FAULT CLEARED, PERFORMED OPS CHECK OF THE PROPELLER AUTOFEATHER SYS IAW AMM TASK 61-20-00-710-805. SYSDR 29GA2014100100001Switch · out of adjustRIGHT ENGINE AUTOFEATHERED ON SHORT FINAL WITH THE POWER AT IDLE. ADJUSTED PEDESTAL ARMING SWITCHES.SDR CA141001007Beta Switch · failed(CAN) DURING CRUISE FLIGHT, THE CREW EXPERIENCE AN UNSCHEDULED FEATHERING OF NR 2 PROPELLER. THE CREW TRY TO REGAIN CONTROL OF THE PROPELLER WITH NO SUCCESS. THE ENGINE WAS SHUTDOWN AND THE AIRPLANE RETURNED TO AIRPORT SAFELY. THE NR 2 PROPELLER BETA SYSTEM SWSDR QXEA2014092400806Computer · malfunctionedTAKEOFF ABORTED DUE TO AUTOFEATHER FAILING TO ARM. POWER LEVERS WERE SET AT RATING AND A/F REMAINED AT SELECT TAKEOFF ABORTED BELOW 60 KTS AND CHECK LISTS WERE COMPLIED WITH. INITIALLY INTERROGATED CDS NO FAULTS WERE FOUND PERFORMED PEC FAULT CLEAR AS PRECAUTSDR 29GA2014092400001Pressure Switch · intermittentRIGHT ENGINE WENT INTO AUTOFEATHER FOUR TIMES ON SHORT FINAL, 200 FEET AGL. REPLACED RT ENGINE AUTOFEATHER LOW PRESSURE SWITCH, OPS AND LEAK CHECKED GOOD.SDR R61A201409231070Autothrottle Sys · malfunctionedCREW REPORTED THAT THE AUTOTHROTTLES FAILED AND THEY COULD NOT GET THE GUIDANCE TO LOCK. CREW DECLARED AN EMERGENCY, RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT. MAINTENANCE RESET ACFT POWER IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.SDR HNAA2014092200268Autofeather Sys · malfunctionedAUTOFEATHER WILL NOT ARM ON TAKEOFF ROLL. PERFORMED WORK CARD 61-21-04. AUTOFEATHER CONTROL ENABLE ON CHECK. NO DEFECTS NOTED.SDR QXEA2014091900786Autofeather Sys · malfunctionedAUTOFEATHER TEST SHOWS ABORT ON NR 2 RUN TEST, TWICE, SAME RESULT. PERFORMED OPS TEST OF PROP AUTOFEATHER AND UPTRIM SYS THREE TIMES IAW AMM TASK 61-20-00-710-801. TESTS PASSED. NO FURTHER DEFECTS. RETURNED TO SERVICE.SDR JJBA20140909005Autofeather Sys · malfunctionedNUMBER 1 AUTO FEATHER FAILED ON TAKEOFF. RESET AUTO FEATHER SYS. PERFORMED OPERATIONAL CHECK, SYS OPERATED NORMALLY.SDR QXEA2014090400768Autofeather Sys · no testAUTOFEATHER WILL NOT TEST. PERFORMED OPS TEST OF THE PROPELLER AUTOFEATHER AND UPTRIM REF AMM TASK 61-20-00-710-801. OPS TEST GOOD. RETURNED TO SERVICE.SDR QXEA2014090400740Autofeather Sys · no testAUTOFEATHER WILL NOT TEST. PERFORMED OPS TEST IAW AMM 61-20-00-710-801. CHECKS GOOD, NO DEFECTS. RETURNED TO SERVICE.SDR CA140904002Valve · abnormal(CAN) UPON MAINTENANCE WORKING ON A NTS SNAG IT WAS FOUND WHEN TROUBLESHOOTING THAT THE CAUSE OF THE PROBLEM WAS THE BACK PART OF THE FEATHERING VALVE WAS INDICATED TO BE OUT FURTHER THAN NORMAL. THE FEATHERING VALVE WAS THEN REMOVED FROM THE ENGINE TO FIND THSDR QXEA2014082300710Pitch Control · malfunctionedDURING BETA TUBE RIGGING, FOUND THE NR 1 PROPELLER WOULD NOT UNFEATHER. REPLACED PITCH CONTROL UNIT IAW AMM 61-20-11-000-801 AND 61-20-11-400-801.SDR HNAA2014082200247Bulb · inoperativeAUTO FEATHER SELECT LIGHT IS INOPERATIVE, WILL NOT RESET. R & R BULB. OPS CHECKED GOOD. OK FOR SERVICE.SDR CA140826023Autofeather Sys · malfunctioned(CAN) DURING REVENUE FLIGHT, BEFORE TAKE-OFF, THE ATPCS (AUTO-FEATHER SYSTEM SELECTED) DID NOT ARM. TAKE-OFF WAS ABORTED AND AIRCRAFT RETURNED TO THE HANGAR UNEVENTFULLY. WAITING FOR A SPARE AFU (AUTO-FEATHER UNIT) FOR REPLACEMENT.SDR QXEA2014082000706Controller · malfunctionedNR 1 ENGINE AUTOFEATHER TEST FAILED. REPLACED NR 2 PEC ALL TEST PASS INCLUDING AUTOFEATHER/UPTRIM CHECK. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.SDR HNAA2014082000242Bulb · inoperativeAUTO FEATHER ARM LIGHT INOPERATIVE. DOES NOT TEST. R & R BOTH BULBS IN AUTO FEATHER ARM LIGHT. OPS CHECKED GOOD.SDR CA140818011Pump · failed(CAN) ENGINE 2 WAS INSPECTED FOLLOWING DISCOVERY OF AN OIL LEAK. OIL WAS OBSERVED LEAKING FROM THE NR 2 ENG FEATHERING PUMP . FEATHERING PUMP WAS REMOVED AND REPLACED WITH A SERVICEABLE UNIT. THE AIRCRAFT WAS SUBSEQUENTLY RELEASED TO SERVICE.SDR QXEA2014081300678Autofeather Sys · no testAUTOFEATHER TEST DID NOT PASS. ACFT WAS STATIC, ENGINES NOT RUNNING. NO PRESENT FAULTS, COMPLIED WITH AMM TASK 61-20-00-710-801. OPS TEST OF PROPELLER AUTOFEATHER AND UPTRIM SYSTEM, SYSTEM OPS TEST NORMAL ACFT RETURN TO SERVICE.SDR QXEA2014072400615Autofeather Sys · malfunctionedAUTOFEATHER DID NOT ARM ON TAKE OFF. AUTOFEATHER WAS SELECTED. ABORTED TAKE OFF. BELOW 60KTS. COMPLIED WITH OPS TEST OF PROP AUTOFEATHER & UPTRIM IAW AMM 61-20-00-710-801. AUTOFEATHER TEST SHOWED FAIL FOR NR 1 & ABORT FOR NR 2. INTERROGATED EMU FOR FAULTS,SDR JJBA20140626010Circuit Breaker · poppedAUTOFEATHER WILL NOT ARM. FOUND TORQUE CONNECTOR CB POPPED. RESET BREAKER & PERFORMED POWER RUNS.SDR CA140701015Propeller · abnormal(CAN) THE AIRCRAFT EXPERIENCED A PROPELLER FEATHERING TO THE RT ENGINE DURING TRANSITION TO CLIMB, 400 FT. THE CREW DETECTED AN OVERTORQUE AND A DROP OF NP INDICATION. SO THE CREW PROCEEDED TO SHUTDOWN THE ENGINE AND PERFORMED UNEVENTFULLY SINGLE ENGINE LANDSDR QXEA2014062100527Control Unit · malfunctionedWHILE ATTEMPTING OPS TEST OF THE AUTOFEATHER AND UPTRIM SYS AMM 61-20-00-710-801. RECEIVED A "AF TEST ABORT" MESSAGE. FOUND FAULT CODES 30 AND 366 AND 794. REPLACED THE NR 1 PECU. CHECKS GOOD. RETURNED TO SERVICE.SDR QXEA2014062100526Warning Message · false activationWHILE DOING DAILY SYS CHECKS, RECEIVED TWO ABORT MESSAGES WHILE TESTING AUTOFEATHER. CLEARED FAULT CODES FROM NR 1 ENGINE 30A-794A AND 366B. C/W FIM TASK 73-20-00-810-850. OPS CHECKED GOOD. COULD NOT DUPLICATE. DEFERRED DOWNLOAD OF EMU DATA.SDR QXEA2014061600517Pump · failedNR 2 ENGINE FAILED OPS CHECK OF PROPELLER ALTERNATE FEATHER IAW T/C 612000202. THE MAINTENANCE UNFEATHER FUNCTION FAILED IAW STEPS 2D, 2E, 2F, ALL OTHER FUNCTIONS NORMAL. REPLACED ALTERNATE FEATHER PUMP. OPS CHECKS GOOD. RETURNED TO SERVICE.SDR HNAA2014061600182Electronic Unit · inoperativeAUTOFEATHER DID NOT ARM DURING TAKEOFF. R & R NR 1 TSEU. GROUND RAN ACFT. OPS CHECKED GOOD. OK FOR SERVICE.SDR CA140630004Autofeather Sys · malfunctioned(CAN) DURING TAKEOFF ROLL, THE AUTOFEATHER SYS DID NOT ARM UPON SETTING TAKEOFF POWER. THE TAKEOFF WAS ABORTED AND THE ACFT RETURNED TO THE GATE. TROUBLESHOOTING LED TO THE REPLACEMENT OF THE AUTOFEATHER UNIT BEFORE THE ACFT WAS RETURNED TO SERVICE.SDR HNAA2014060900174Electronic Unit · failedABORTED TAKEOFF AT 110KTS DUE TO AUTOFEATHER NOT ARMING AT 0AT OF 35C. R & R NR 1 AND NR 2 TSEU'S. GROUND RAN ACFT IAW RUN-UP MANUAL. OPS CHECKED GOOD.SDR QXEA2014060200448Autofeather Sys · no testAUTOFEATHER TEST FAILED. CDS FAULT CODE IS NR 1 ENG 398. COMPLIED WITH FIM 61-20-08-810-818. R & R NR 1 PEC IAW AMM 61-20-36-000-801, 61-20-36-400-801.SDR MTNA042220140001Autofeather Sys · malfunctionedDURING CRUISE, NR 1 ENGINE NP DROPPED TO 30 PERCENT, TORQUE DROPPED TO ZERO, ALL OTHER ENGINE PARAMETERS WERE NORMAL. DECLARED AN EMERGENCY & MADE A UNEVENTFUL LANDING. REPLACED THE NR 1 AUTO FEATHER UNIT. THE SYS CHECKED GOOD IAW MM JIC 61-22-00 OPT 10010SDR KPVA20140421001Autofeather Sys · faultyENGINE NR 2 AUTO FEATHERED DURING CLIMB FROM LNY, NO UP TRIM OBSERVED. DIVERTED TO OGG & LANDED WITH NO FURTHER INCIDENT. R & R NR 2 AFU UNIT IAW MM 720110 SEC 7 PARA AB. NO OP TRIMMED NR 2 ENG IAW JIC 73-2361OPT 10040, RAN UP NR 2 ENG IAW JIC 72-00-00 ERU SDR A8OA2014F00087Annunciator · no indicationLT ENGINE AFX, AUTOFEATHER, ANNUNCIATOR DID NOT ILLUMINATE AT TAKEOFF POWER.SDR JJBA20140327013Unknown · malfunctionedNR 1 ENG PROP WENT TO FEATHER BY ITSELF WHEN THE POWER LEVER WAS MOVED FROM DISC TO FLIGHT IDLE. INSPECTED RIGGING, OPERATIONAL CHECKED NORMAL. OCF REQUIRED & FAILED.SDR CA140401002Autofeather Sys · malfunctioned(CAN) THE PILOT REPORTED HAVING EXPERIENCED PROPELLER UNCOMMANDED AUTOFEATHER DURING TAKEOFF. THE CREW ELECTED TO SHUTDOWN THE ENGINE. THE ACFT WAS ENROUTE TO MAINTENANCE BASE AND HAD TO DIVERT DUE TO INDICATED ENGINE OVERTORQUE. TROUBLESHOOTING ON-GOING.SDR HNAA2014031400088Autofeather Sys · malfunctionedAUTOFEATHER DID NOT ARM DURING TAKEOFF ROLL, CYCLED CIRCUIT BREAKER Q4 NO FIX. GROUND RAN ACFT AND PERFORMED OPS CHECK OF AUTO FEATHER SYS IAW MANUAL. SYS OPERATES NORMAL AT THIS TIME.SDR CA140217002Structure · cracked(CAN) FOLLOWING AUTO-FEATHER FIELD EVENT INVESTIGATIONS, AN ANALYSIS INDICATED THAT SOME J2 SOLDER JOINTS HAD CRACKS ON PW127 AFUS, 3078166-01. AT THE MOMENT, THE AFFECTED J2 CONNECTORS APPEAR TO BE RELATED TO 1 BATCH. STORES WAS CHECKED AND AFFECTED UNITS RSDR QXEA2014021100120Autofeather Sys · malfunctionedAUTOFEATHER FAILED TO ARM DURING TAKEOFF. INTERROGATED CDS AND FOUND EMV FAULT CODES 204A+B. PLA STUCK ON, PERFORMED FIM TASK 61-20-05-810-819, NOTED THAT PLA HIGH & LOW SWITCHES CHANGE STATE FROM REVERSE TO RATING. PERFORMED TEST OF AUTOFEATHER SYSTEM ENGSDR QXEA2014020400101Autofeather Sys · no testON DAILY SYSTEM CHECK, AUTOFEATHER TEST FAILED ON LEFT SIDE. INTERROGATED CDS AND FOUND NR 1 PEC FAULTS 204 A+B AND 484 A+B. CLEARED PEC FAULTS AND COMPLIED WITH FIM TASK 61-20-05-810-819 STEPS 1-5A (3) PLA HIGH MICROSWITCH OPS CHECKED GOOD. COMPLIED WITH A
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