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 09122005FCircuit Breaker · inoperativePROP OVERSPEED TEST INOP. LOW PITCH TEST INOP. AUTOFEATHER INOP. RESET CB9, OPS CHECK GOOD FOR PROP OVERSPEED, LOW PITCH, AND AUTOFEATHER TEST.SDR TRBA2005059Autofeather Sys · malfunctionedAUTOMATIC TAKEOFF POWER CONTROL SYSTEM (ATPCS) DID NOT ARM DURING TAKEOFF POWER. REPLACED AUTO-FEATHERING UNIT. (K)SDR 09122005APressure Switch · failedRT AUTOFEATHER FAIL TEST. REMOVED AND REPLACED LOW PRESSURE SWITCH OPS CHECK GOOD.SDR MASA200500719Relay · malfunctionedASH 6259 PHX. A/F WILL NOT ARM. MX RESET THE SYSTEM AND PERFORMED ENGINE RUN CHECKS AND THE SYSTEM CHECKED GOOD. THE AIRCRAFT THEN RTG A SECOND TIME FOR SAME PROBLEM. MX ADJUSTED THE AUTOFEATHER ARMING POT, REMOVED AND REPLACED K5 RELAY.SDR CA050908005Warning Light · false indication(CAN) BELOW FFPS INDICATOR LIGHT FOR NR 2 PROP INOP SYSTEM GROUND TEST NORMAL FERRY FLIGHT PERMIT ISSUED TO RETURN TO BASE FOR REPAIR.SDR 09082005DGovernor · failedRT ENGINE FEATHERING DURING T/O. PROP AT 500 RPM AND TQ AT 1000 IN GROUND FINE. REMOVED AND REPLACED RT PROP GOVERNOR, OPS CHECK GOOD.SDR 09082005EGovernor · failedLT ENGINE FAILED AUTO FEATHER. REMOVED AND REPLACED LT OVERSPEED GOVERNOR. OPS CHECKED GOOD.SDR MASA200500685Relay · malfunctionedASH 6286 PHX. AUTO FEATHER ARM LIGHT WILL NOT GO OUT. MAINTENANCE CHANGED THE K-5 AUTO FEATHER RELAY. OPERATIONAL CHECK NORMAL.SDR MASA200500671Control Unit · malfunctionedASH 7047 DEN, NR 2 ENG FEATHERS ABOVE IDLE. MX REMOVED AND REPLACED NR 2 PCU.SDR GLBA20050507Autofeather Sys · malfunctionedLEFT ENGINE SOUNDED LIKE IT CYCLED THROUGH AN AUTOFEATHER, INCREASED POWER AND CONDITION CEASED, LANDED WITHOUT INCIDENT. PERFORMED GROUND RUN-UP, COULD NOT DUPLICATE, RETURNED TO SERVICE.SDR QXEA200501163Autofeather Sys · unknownGEG FLIGHT NR 2439: TAKEOFF ABORTED AT 60 KNOTS DUE TO AUTO FEATHER NOT ARMING. MAINTENANCE COMPLIED WITH FIM TASK 61-20-09-810-806. CLEARED FAULT. COMPLIED WITH OPS CHECK. NO DEFECTS NOTED AND NO COMPONENTS WERE CHANGED. AIRCRAFT RETURNED TO SERVICE.SDR 08082005KPcu · malfunctionedDISCREPANCY: RH PROPELLER FEATHERS WITH CONDITION LEVER IN UNFEATHER POSITION, POWER LEVER AT 5 PERCENT AND INTAKE LIGHT ILLUMINATES. R&R'D PCUSDR CA050725012Autofeather Sys · unserviceable(CAN) DURING CLIMB, THE AIRCRAFT YAWED, ACCOMPANIED BY AN ENGINE TORQUE INDICTION OF ZERO. THE CREW SHUT THE ENGINE DOWN IN FLIGHT. THE ENGINE WAS THEN SUCCESSFULLY RE-STARTED. THE AUTOFEATHER UNIT WAS SUBSEQUENTLY REPLACED AND AIRCRAFT RETURNED TO SERVICE.SDR QXEA200501078Relay · inoperativeRETURNED TO GATE, FAILURE OF AUTOFEATHER TO ARM ON TAKEOFF. AIRSPEED 60 KTS. TRQ APPROX 85 PERCENT. REMOVED AND REPLACED 6121 K-5 RELAY. ALL CHECKS GOOD. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.SDR 06222005BAutofeather Sys · activatedON TAKEOFF ROLL, LEFT ENGINE WENT INTO AUTOFEATHER. PERFORMED CWC AUTOCOARSEN TEST, OPS CHECK GOOD.SDR SF20050622Connector · looseAUTOCOARSEN FAILED ON TAKEOFF ROLL. ABORTED TAKEOFF AT LESS THEN 40 KTS. FOUND NR 1 P3 SWITCH CONNECTOR TO BE LOOSE. TIGHTENED AS REQUIRED, OPS CK GOOD IAW AMM 61-22-00-5.SDR HNAA0500052Control Unit · faultyAT 400 FEET, NR 2 PROPELLER AUTO FEATHERED THE ENGINE TORQUE WAS AT 95 PERCENT. CREW ALSO REPORTED THE TORQUE WENT TO THE RED LINE AND REMAINED. REPLACED THE NR 2 TSCU.SDR 200505121Computer · malfunctionedAUTOCOARSEN LIGHT ILLUMINATED. THE AIRCRAFT SAFELY ARRIVED IN IAD. REMOVED AND REPLACED AUTOCOARSEN COMPUTER, OPS CHECK GOOD IAW 61-20-00.SDR 200505122Warning Light · illuminatedAUTOCOARSEN LIGHT ON CWP ILLUMINATED WITH AUTOCOARSEN ON. AIRCRAFT SAFELY ARRIVED TO IAD.SDR 2005F00066Autofeather Sys · malfunctionedDURING TAKEOFF ROLL, A CONFIGURATION WARNING AND ENGINE CAUTION CAME ON. ALSO, CIRCUIT BREAKER D-24 POPPED OUT. TAKEOFF ABORTED. REPLACED AUTOFEATHER UNIT ON NR 2 ENGINE. (M)SDR NACA20050009Switch · brokenNR 2 PROPELLER WOULD NOT UNFEATHER AFTER LANDING. REPLACED BROKEN BLADE SWITCH LEAD. CHECKED GOOD.SDR 20030803Autofeather Sys · malfunctionedTHE LT AUTO FEATHER AFX ANNUNCIATOR STARTED FLICKERING THEN EXTINGUISHED COMPLETELY AND THEN EVEN PRESS TO TEST WOULD NOT FUNCTION. PERFORMED AIR RETURN WITHOUT FURTHER INCIDENT. MAINTENANCE COULD NOT DUPLICATE AND SYSTEM OPERATIONALLY CHECKED GOOD. AIRCRAFSDR QXEA200400921Sensor · inoperativeSEA - ON FLIGHT NUMBER 2212, ABORTED TAKEOFF DUE TO AUTOFEATHER ARM FAILURE PRIOR TO ROTATION. MAINTENANCE REMOVED AND REPLACD RELAYS 6121-K2 AND 6121-K5 AND NR 1 ENGINE TSCU. ALL AUTOFEATHER OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR QXEA200400900Switch · dirtyEUG FLIGHT 2062 AUTOFEATHER DID NOT ARM ON TAKEOFF. TAKEOFF WAS ABORTED AT 70 KIAS. PLACED ON RSI 348686. ON 12/20/04 MAINTENANCE REPLACED 6121-K6 AND 6121-K7 (AUTO ARM RELAYS). CLEANED AND LUBED AUTOFEATHER SWITCHES ON QUADRANT. OPERATIONAL CHECK GOOD. SDR CA041021004Pump · leaking(CAN) FOLLOWING AN IFSD AND RESULTING EMERGENCY LANDING, GROUND MAINTENANCE FOUND AN OIL LEAK AT THE FEATHERING PUMP ACCOMPANIED BY THE SEIZURE OF THE LOW AND HIGH PRESSURE COMPRESSOR ROTORS.SDR CA041021003Pump · leaking(CAN) DURING CRUISE, THE LOW OIL PRESSURE WARNING WAS ACTIVATED AND THE PILOT ELECTED TO SHUT DOWN THE ENGINE BEFORE PERFORMING AN UNEVENTFUL SINGLE ENGINE LANDING. GROUND MAINTENANCE FOUND AN OIL LEAK AT THE FEATHERING PUMP FROM A DAMAGED O'RING.SDR 64051Switch · malfunctionedUPON TAKEOFF ROLL OUT, CREW OBSERVED RIGHT HAND ENGINE AUTOFEATHER OFF ANNUNCIATOR ILLUMINATED. ABORTED TAKEOFF. RETURNED TO GATE WITH NO FURTHER INCIDENT. RESECURED SWITCH ASSY AND ADJUSTED SWITCH, OPS CK NORMAL.SDR GLBA20030627Pressure Switch · malfunctionedLEFT AUTO FEATHER EXTINGUISHES AFX DISABLES WITH POWER AT 3250 FT. REMOVED AND REPLACED RT AUTO FEATHER HIGH PRESS SWITCH P/N 50-389121-21.SDR AUS20040214Clamp · failed(AUS) LT ENGINE PROPELLER REVERSING LEVER CABLE CLAMP BOLT FAILED ALLOWING PROPELLER REVERSING PY LEVER TO DISCONNECT FROM PUSH/PULL CABLE.SDR QXEA200400198Autofeather Sys · unknownBOI - FLIGHT 2400 AT APPROXIMATELY 80 KTS ON TAKEOFF ROLL, THE AUTO FEATHER FAILED TO ARM. TAKEOFF ABORTED AND RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE COULD NOT DUPLICATE. PERFORMED OPERATIONAL TEST OF AUTO FEATHER TEST. OPERATION TEST GOOD.SDR AUS20040167Autofeather Sys · faulty(AUS) AUTOFEATHER UNIT SUSPECT FAULTY. INVESTIGATION COULD FIND NO FAULTS BUT THE LT AND RT AUTOFEATHER UNIT PLUGS WERE CLEANED AND FUNCTIONAL TESTS CARRIED OUT.SDR SDR2004012Switch · failedDURING LANDING WHEN POWER LEVERS WERE MOVED FROM GROUND IDLE POSITION TO REVERSE, THE ENGINE NH WENT BELOW 71 PERCENT. AIRCRAFT AC POWER WAS LOST THEREFORE, NO HYDRAULIC POWER AVAILABLE. UNABLE TO TAKE OFF POWER CONTROL SYSTEM (ATPCS) SWITCH. THIS IS NOT A SDR SDR2004011Autofeather Sys · inoperativeDURING TAKEOFF THE AUTOMATIC TAKEOFF POWER CONTROL SYSTEM (ATPCS) DIS NOT ARM. CREW ABORTED THE TAKEOFF. REMOVED AND REPLACED NR 2 ENGINE AUTO FEATHER UNIT.SDR QXEA200400151Controller · malfunctionedSEA - FLIGHT 2283 AT 60 KTS AUTOFEATHER DID NOT ARM. AIRCRAFT RETURNED TO GATE. MAINTENANCE REPLACED THE AUTOFEATHER CONTROLLER. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. AIRCRAFT RETURNED TO SERVICE.SDR AUS20040087Valve · faulty(AUS) RT ENGINE PROPELLER FEATHER SOLENOID VALVE FAULTY. VALVE WAS SLOWLY BLEEDING PCU PRESSURE.SDR 028741Autocoarsen Sys · inoperativeON 01-16-2004, APPROX. 1125 (UTC), FLT 4520 CMH-PIT. CREW ABORTED TAKEOFF WHEN THE AUTOCOARSEN SYSTEM DID NOT ARM.SDR TRB2004F00006Autofeather Sys · malfunctionedAUTOMATIC TAKEOFF POWER CONTROL SYSTEM (ATPCS) SYSTEM DID NOT ARM DURING TAKEOFF. CREW ABORTED TAKEOFF AND RETURNED TO GATE. REMOVED AND REPLACED NR 2 AUTOFEATHERING UNIT.SDR 57827Autofeather Sys · malfunctionedON TAXI OUT CREW BEGAN STARTING LT ENGINE, AFTER GETTING IT STARTED PROPS WOULDN'T COME OUT. ALSO THE AUTOFEATHER WOULDN'T TEST. CREW RETURNED TO THE GATE WITH NO FURTHER INCIDENT. RAN BOTH ENGINES, ALL SYS OPS CK NORMAL.SDR CA040106006Latch · inoperative(CAN) ON ENGINE SHUT DOWN RT PROP WENT TO FEATHER. ENGINE WAS GROUND RUN AND MAX RPM WAS ONLY 1900. MAINTENANCE REPLACED PROPELLER AND RETURNED AC TO SERVICE. PROP BLADE LATCHES ARE PRESUMED TO BE THE PROBLEM. PROP IS BEING SENT TO REPAIR SHOP.SDR HNAA0300089Autofeather Sys · malfunctionedAUTOFEATHER FAILS TO ARM ON TAKEOFF. MECHANIC TRIMS ENGINES AND AUTO FEATHER ARMS AT 83-85 TQ, SHUT DOWN ENGINE POWER, DOWN UP AND NEXT ENGINE RUN, AUTO FEATHER REVERTS TO ARMING AT 100-103 TQ. AUTOFEATHER FAILED TO ARM ON TAKE OFF ROLL AGAIN. MECHANIC PRESDR HNAA0300071Relay · defectiveAUTOFEATHER DID NOT ARM AT 97 PERCENT, 60 KTS, ABORTED TAKEOFF. REPLACED AUTOFEATHER CONTROL RELAY.SDR QXEA200301429Autofeather Sys · malfunctionedSEA- ON FLIGHT 2336 AIRCRAFT FAILED INITIAL AUTO FEATHER TEST. COMPLIED WITH TEST OF AUTO FEATHER AND UPTRIM SYSTEMS. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR QXEA200301428Autofeather Sys · malfunctionedSEA- ON FLIGHT 2390 NR 1 AUTO FEATHER FAILED ON INITIAL FLIGHT OF THE DAY. COMPLIED WITH PROPELLER AUTO FEATHER AND UPTRIM SYSTEM TEST. NO PARTS REPLACED. OPERATIONAL TEST GOOD. AIRCRAFT RETURNED TO SERVICE.SDR QXEA200301426Switch · lack of lubePDX- ON FLIGHT 2135 AUTO FEATHER TEST DOES NOT TEST PROPERLY. WHEN THE AUTO FEATHER SWITCHES ARE PULLED UP, BOTH PROPELLERS DROP DOWN INTO THE PROHIBITED RANGE AND THE UP TRIM DOES NOT ACTIVATE AND NOTHING HAPPENS WITH THE AUTO FEATHER. LUBRICATED AUTO FEATHSDR 56041Autofeather Sys · malfunctionedDURING APPROACH TO LANDING IN PNC. THE RIGHT PROPELLER AUTOFEATHER SYS CYCLED THE PROP IN AND OUT OF FEATHER SEVERAL TIMES. WHILE THE ENGINE CONTINUED TO PRODUCE POWER.SDR QXEA200301396Autofeather Sys · will not testLWS-ON FLIGHT NUMBER 9852, AUTO FEATHER TEST FAILED ON NR 1 ENGINE. INTERROGATED CDS. FAULTS 420 FOUND. CLEARED FAULTS. C/W AUTO FEATHER OPERATIONAL TEST, TESTED GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.SDR QXEA200301355Autofeather Sys · malfunctionedGEG- ON FLIGHT 2371 NR 1 AUTOFEATHER TEST FAILS. FOUND FAULT CODE 494 CHANNEL A AND B OF NR 1 PEC. PERFORMED FIM TASK 61-20-10-810-805. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR 154931Autocoarsen Sys · will not armON 10/03/03 AT APPROX. 1040Z, FLT 4597 TOL-PIT, AIRCRAFT N43SZ ABORTED TAKEOFF FOR THE AUTOCOARSEN SYSTEM DID NOT ARM.SDR QXEA200301139Mfc · malfunctionedON FLIGHT 2200 RDM TO SEA AIRCRAFT RETURNED TO FIELD AFTER ACCOMPLISHING NR 2 ENGINE SHUTDOWN DUE TO, AFTER ROTATION ON TAKEOFF NR 2 PROP ROLLED BACK TO MINUS 87 PERCENT AND SURGED CONTINUOUSLY PLUS OR MINUS 15 PERCENT. AIRCRAFT LANDED SAFELY. REMOVED AND REPLSDR BSY2003F00024Tube · brokenLEFT ENGINE LOST OIL PRESSURE, PILOT FEATHERED ENGINE AND SHUT IT DOWN. FOUND UNFEATHERING LINE BROKEN AT FLAIR AT PROP GOV. REMOVED AND REPLACE LINE. OPS CHECKS GOOD. SERVICES WITH OIL GROUND RAN FOR 1 HR. REMOVED FILTER NOTHING FOUND IN FILTER. OK FOR
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