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.

SDR MASA97085Switch · out of adjustAIRSHUTTLE 5146 - PHX-FLG - AFTER TAKEOFF, THE AUTOFEATHER SYSTEM WOULD NTO ARM. FLIGHT CONTINUED ON TO FLG AND LANDED WITHOUT INCIDENT. MX REMOVED AND REPLACED THE PC BOARD, RIGGED PEDESTAL SWITCHES. OPS CHECK GOOD, AIRCRAFT WAS RETURNED TO SERVICE. (M)Aug 4, 1997 · N132YV · Beech 1900DSDR UF6A970709Feather System · malfunctionedORD - FLT 5747 - LEFT PROPELLER DID NOT FULLY FEATHER. FEATHERED FOR 25 SECONDS. MAINTENANCE INSPECTED AND PERFORMED GROUND RUN. SYSTEM OPS CHECKED GOOD. (M)Jul 18, 1997 · N852AW · Bag ATPSDR UF6A970707Feather System · malfunctionedORD - FLT 5709 - RIGHT PROP DID NOT FEATHER COMPLETELY ON SHUTDOWN, FEATHER FOR 35 SECONDS. MAINTENANCE INSPECTED AND PERFORMED GROUND RUN. SYSTEM OPS CHECKED GOOD. (M)Jul 9, 1997 · N856AW · Bag ATPSDR UF6A970608Feather System · malfunctionedORD - FLT 5774 - ON SHUTDOWN LEFT PROP DID NOT FULLY FEATHER. MAINTENANCE INSPECTED AND GROUND RAN NR 1 ENGINE. SYSTEM OPS CHECKED GOOD. (M)Jun 24, 1997 · N853AW · Bag ATPSDR UF6A970607Switch · dirtyORD - FLT 5753 - NR 1 PROP FEATHERED ON LANDING ROLL OUT. MAINTENANCE INSPECTED SYSTEM AND CLEANED NR 1 AND NR 2 AUTOFEATHER SWITCHES. AUTOFEATHER SYSTEM OPS CHECKED GOOD. TEST FLIGHT WAS SATISFACTORY. (M)Jun 22, 1997 · N855AW · Bag ATPSDR 97ZZZX2864Pitch Change Rod · failedAIRCRAFT PARKED IN FIELD. DURING RUN-UP, LOUD BANG WHEN PROPELLER WAS REVERSED. ENGINE WAS SHUT DOWN AND PROPELLER WAS REMOVED FOR INSPECTION. ALL DAMAGE WAS CONTAINED TO THE FEATHER SPRING ASSEMBLY.Jun 10, 1997 · N1546H · Airtrc AT802SDR UF6A970603Cable Assy · out of adjustCWA - FLT 5732 - RIGHT AUTOFEATHER ARM LIGHT DID NOT ILLUMINATE. MAINTENANCE ADJUSTED NR 2 ENGINE AUTOFEATHER MICROSWITCH. SYSTEM OPS CHECKED GOOD. (M)Jun 9, 1997 · N853AW · Bag ATPSDR UF6A970601Feather System · malfunctionedORD - FLT 5712 - RIGHT PROP DID NOT FULLY FEATHER ON SHUTDOWN. MAINTENANCE INSPECTED AND PERFORMED OPS CHECKS. SYSTEM OPS CHECKED GOOD. (M)Jun 7, 1997 · N857AW · Bag ATPSDR MALA975412Control Unit · looseFLT 3098 - ON TAKEOFF ROLL, AUTOFEATHER ARM LIGHT INITIALLY ILLUMINATED. ABORTED TAKEOFF. MAINTENANCE FOUND WARNING LIGHT CONTROL UNIT LOOSE IN RACK. RESECURED CONTROLLER IN RACK SYSTEM. OPS CHECK GOOD. (X)May 15, 1997 · N864MA · Dhav DHC8102SDR SABA9700016Spring · brokenCLT - FLT 5144 - ABORTED TAKEOFF DUE TO RIGHT AUTOFEATHER SYSTEM NOT ARMING. REMOVED AND REPLACED AUTOFEATHER MICRO-SWITCH AND RE-ADJUSTED MICRO-SWITCH. PERFORMED GROUND RUN AND FOUND AUTOFEATHER ARMING NORMALLY. THE AIRCRAFT WAS THEN RETURNED TO SERVICE. May 8, 1997 · N121PC · Stbros SD360SDR QXEA9700131Diode · defectiveBLI- PROPELLER AUTO FEATHER SYSTEM WOULD NOT TEST. AIRCRAFT FERRIED FROM BLI-PDX FOR REPAIR. REPLACED DIODE BLOCK ASSEMBLY. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.Apr 18, 1997 · N335PH · Dorner DO328100SDR 97ZZZX2004Switch · failedTORQUE PRESS SWITCH IN AUTOFEATHER SYSTEM FAILED CAUSING PROP TO FEATHER IN-FLIGHT.Apr 18, 1997 · N235SA · Dhav DHC6300SDR QXEA9700130Overhead Panel · defectiveSEA - PROPELLER AUTO FEATHER SYSTEM FAILS FUNCTIONAL CHECK. REPLACED 15VE COCKPIT OVERHEAD PANEL. COMPLIED WITH OPERATIONAL CHECK OF PANEL, CHECKS GOOD. PERFORMED PROPELLER AUTO FEATHER CHECK, OPERATIONAL CHECK GOOD. NO DEFECTS NOTED. AIRCRAFT RETURNED TO Apr 17, 1997 · N335PH · Dorner DO328100SDR 97ZZZX3216Pressure Switch · failedAUTOFEATHER TORQUE PRESSURE SWITCH FAILED CAUSING PROPELLER TO FEATHER IN-FLIGHT.Apr 17, 1997 · N235SA · Dhav DHC6300SDR CA970520002Stop Screws · backed out(CAN) ON SHUTDOWN AFTER A TRAINING FLIGHT THE PROPELLER DID NOT FEATHER. SUBSEQUENT INVESTIGATION FOUND THE STOP SCREWS HAD BACKED OUT OF THE ROD GUIDE ENDS. THIS HAD THE EFFECT OF CAUSING THE STOP LOCKS TO MISS CATCHING THE SCREWS PRIOR TO SHUTDOWN AND PREVENApr 16, 1997 · Swrngn SA226TCSDR AU970622Accumulator · faulty(AUS) PROPELLER UNFEATHERING ACCUMULATOR LEAKING INTERNALLY CAUSING LOSS OF AIR CHARGE - SUSPECT WORN PISTON `O' RING SEALSApr 12, 1997 · Beech 76SDR CA970505004Reservoir · failed(CAN) #1 ENGINE FEATHERING SYSTEM MALFUNCTIONED. ENGINE DID NOT COMPLETELY FEATHER AND CIRCUIT BREAKER POPPED. MAINTENANCE ACTION INVOLVED CHANGING BRUSH BLOCK AND RESERVOIR. STATIC AUTO FEATHER CHECK CARRIED OUT SERVICEABLE.Mar 25, 1997 · Cvac 340CVACSDR SABA9700009Switches · out of adjustCLT - FLT 5024 - ABORTED TAKEOFF DUE TO NEITHER AUTOFEATHER LIGHTS ARMING. AIRCRAFT WAS GROUND RAN BY MAINTENANCE AND AUTOFEATHER MICRO-SWITCHES WERE ADJUSTED. THE AIRCRAFT WAS THEN RETURNED TO SERVICE. (M)Mar 21, 1997 · N159CC · Stbros SD360SDR CA970318006Switch · failed(CAN) ON TAKEOFF ROLL, THE AUTO-FEATHER SYSTEM DID NOT ARM. THE TAKEOFF WAS REJECTED AND AIRCRAFT RETURNED TO GATE. AUTO-FEATHER SELECTOR SWITCH WAS NOT LATCHING. SWITCH REPLACED.Mar 8, 1997 · Dhav DHC8301SDR AU970740Spring · fractured(AUS) PROPELLER FEATHERING/UNREVERSING SPRING FAILEDMar 1, 1997SDR COMA9710162Autofeather Sys · malfunctionedDURING APPROACH TO TLH, THE RIGHT HAND ENGINE AUTOFEATHER SYSTEM ACTIVATED. COULD NOT DUPLICATE DISCREPANCY. INSPECTION OF AUTOFEATHER SYSTEM FOUND NO DEFECTS.Feb 24, 1997 · N179CA · Emb EMB120RTSDR COMA9710151Relay · inoperativeRIGHT HAND PROPELLER AUTO FEATHER SYSTEM DOES NOT TEST. REPLACED RELAY K0039, SYSTEM TEST NORMAL.Feb 15, 1997 · N159A · Emb EMB120RTSDR COMA9710128Pitchlock Screw · malfunctionedPROPELLER ASSEMBLY REMOVED FROM AIRCRAFT FOR ACTUATOR AND HUB MAJOR INSPECTION. UPON INITIAL RECEIVING INSPECTION THE FEATHER STOP TAB WAS FOUND DISPLACED .025 INCH. PITCHLOCK SCREW WAS REMOVED FROM ASSEMBLY AND RETURNED TO MANUFACTURER. PART TOTAL CYCLES, Feb 11, 1997 · N152CA · Emb EMB120RTSDR HNAA9793714Switch · dirtyFLT 3325 - CHO-PIT - THE AUTOFEATHER SYSTEM WOULD NOT ARM DURING TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE WITHOUT INCIDENT. CLEANED POWER LEVER MICROSWITCHES 6121-S12 AND 6121-S13. (M)Feb 4, 1997 · N937HA · Dhav DHC8102SDR HNAA9794312Switch · dirtyFLT 3023 - BWI-DCA - DURING TAKEOFF ROLL, AUTOFEATHER FAILED TO ARM. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. CYCLED POWER LEVERS, CLEANED AND INSPECTED AUTOFEATHER MICROSWITCHES. PERFORMED AUTOFEATHER SYSTEM AND POWER UPTRIM Jan 31, 1997 · N943HA · Dhav DHC8102SDR COMA9710127Pitchlock Screw · malfunctionedPROPELLER ASSEMBLY REMOVED FROM AIRCRAFT FOR BLADE AND HUB MAJOR INSPECTION. UPON INITIAL RECEIVING INSPECTION, THE FEATHER STOP TABS S/N S0455 WERE FOUND DISPLACED APPROXIMATELY 0.125 INCH. PITCHLOCK SCREW WAS REMOVED FROM ASSEMBLY AND RETURNED TO MANUFACTUJan 12, 1997 · N244CA · Emb EMB120RTSDR 97ZZZX769Switch · leakingYMX/EWR - EN ROUTE, THE NR 1 ENGINE LOST OIL PRESSURE. THE FLIGHT CREW SHUT THE ENGINE DOWN AND LANDED AT ALB. AFTER TROUBLESHOOTING, THE MECHANIC FOUND A BAD FEATHER CUT OUT SWITCH. THE SWITCH WAS REMOVED AND REPLACED AND THE ENGINE CHECKED GOOD IAW THE FOJan 11, 1997 · N713FE · Fokker F27MK500SDR UF6A961103Autofeather Unit · failedFWA - FLT 5730 - LEFT ENGINE AUTOFEATHERED ON LANDING WHEN PULLED INTO REVERSE. MAINTENANCE REMOVED AND REPLACED NR 1 AUTOFEATHER UNIT. SYSTEM OPS CHECKED GOOD. (M)Nov 10, 1996 · N855AW · Bag ATPSDR VNAA9611003Autofeather · malfunctionedAUTOFEATHER DID NOT ARM ITSELF DURING TAKEOFF, ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE PERFORMED GROUND RUN AND AUTOFEATHER OPERATIONAL CHECK, NO DEFECTS NOTED. AIRCRAFT APPROVED FOR RETURN TO SERVICE.Nov 8, 1996 · N460PS · Dorner DO328100SDR COMA9610323Auto Feather · failed testLEFT AUTOFEATHER FAILED TO TEST. TROUBLESHOT PROBLEM,COULD NOT DUPLICATE.Nov 5, 1996 · N1105G · Emb EMB120RTSDR CA961112022Controller · malfunction(CAN) PILOT REPORTED THAT AUTOFEATHER WOULD NOT DISARM IN FLIGHT UNTIL POWER LEVERS WERE BROUGHT BACK TO BELOW 64 PERCENT TORQUE. AIRCRAFT THEN TO OPERATE AS PER MEL 61-3. NEXT FLIGHT ABORTED DUE TO AN UNCOMMANDED AUTOFEATHER. AIRCRAFT RETURNED TO GATE. NEW AUOct 22, 1996 · Dhav DHC8301SDR 96ZZZX5333Housing · crackedUPON TEAR-DOWN AND INSPECTION OF PROPELLER, FEATHER SPRING HOUSING WAS FOUND CRACKED. PART HAS BEEN SCRAPPED.Oct 9, 1996SDR CA960924009Unfeather Switch · stuck on(CAN) DURING TAKEOFF ROLL, CREW NOTED THE LEFT ENGINE BETA LIGHT DID NOT EXTINGUISH WHEN THE RIGHT WENT OUT. WHEN THE ENGINES ENTERED PROPELLER GOVERNING MODE INDICATING A PROBLEM THE CREW ABORTED THE TAKEOFF. INVESTIGATION FOUND THE UNFEATHER BUTTON HAD STUCKSep 18, 1996 · Mtsbsi MU2B35SDR UF6A960713Autofeather Unit · failedORD - FLT 5707 - LEFT AUTOFEATHER UNIT DID NOT ARM ON TAKEOFF. MAINTENANCE CLEANED THE CANNON PLUG ON THE NR 1 AFU. SYSTEM CHECK GOOD. (M)Jul 28, 1996 · N852AW · Bag ATPSDR UF6A960607Autofeather Unit · failedAZO - FLT 5704 - LEFT AUTOFEATHER DID NOT ARM ON TAKEOFF ROLL. MAINTENANCE REMOVED AND REPLACED NR 1 AUTOFEATHER UNIT. (M)Jun 28, 1996 · N852AW · Bag ATPSDR CA960606005O-Ring · worn(CAN)DURING GROUND RUN, PROPELLER TOOK TOO LONG TO COME OUT OF FEATHER. "O" RINGS ON TRANSFER TUBES WORN AND DAMAGED.May 29, 1996 · Dhav DHC8102SDR HEEA967195Reversing Valve · leaksREVERSING VALVE LEAKS AT ROD END.May 9, 1996 · N125CS · Braero HS125700ASDR 96ZZZX2186Ball Joint · failedAFTER LANDING WHEN REVERSE WAS SELECTED, THE LEFT ENGINE DID NOT REVERSE. INVESTIGATION REVEALED BALL SOCKET HAD WORN TO THE POINT THE BALL FELL OUT OF SOCKET AS PROPELLER CONTROL WAS MOVING AFT. THIS IS A SWAGED JOINT WITH NO SAFETY CLIPS TO PREVENT TOTAL SApr 5, 1996 · N910EA · Cessna 441SDR UF6A960402Autofeather · failedYNG - FLT 5709 - RIGHT ENGINE AUTOFEATHER UNIT WILL NOT ARM, NO UPTRIM OR FEATHER. MAINTENANCE REMOVED AND REPLACED THE NR 2 AUTOFEATHER UNIT. SYSTEM OPS CHECK GOOD. (M)Apr 3, 1996 · N860AW · Bag ATPSDR 96ZZZX1935Mushroom · crackedBOTH PROPELLERS HAVE APPROXIMATELY 11,863 TOTAL HOURS SINCE NEW AND 5,920.1 HOURS SINCE OVERHAUL. HOWEVER, BOTH PROPELLERS HAVE HAD ROUTINE INTERNAL CORROSION INSPECTIONS OR IRAN INSPECTIONS (INSPECT, REPAIR AS NECESSARY) APPROXIMATELY EVERY 2 YEARS AND/OR 2,Mar 12, 1996 · N76HK · Piper PA23160SDR 96ZZZX1934Mushroom · crackedTHE PART THAT IS DEFECTIVE INSIDE OF THE PROPELLER IS CALLED THE MUSHROOM, PN A856. WHILE DISASSEMBLING THE FEATHER SPRING KIT DURING IRAN (INSPECT, REPAIR AS NECESSARY) INSPECTION, THE MUSHROOM WAS FOUND BROKEN. WHILE PERFORMING A DYE-PENETRANT INSPECTION OMar 12, 1996 · N76HK · Piper PA23160SDR UF6A960207Autofeather Unit · faultyFWA - FLT 5754 - LEFT AUTOFEATHER TEST FAILED. MAINTENANCE STRAIGHTENED BENT PIN ON AFU CANNON PLUG. SYSTEM OPS CHECK GOOD. (M)Feb 26, 1996 · N854AW · Bag ATPSDR 96ZZZX836Autofeather · malfunctionPILOT REPORTED DURING TRAINING, LEFT ENGINE WAS SHUT DOWN USING AUTOFEATHER. ON ENGINE RESTART, LEFT PROP WOULD NOT COME OUT OF FEATHER. ACFT LANDED WITHOUT INCIDENT. NOTE: AUTOFEATHER CHECKED OK PRE-FLIGHT RUNUP CHECK. MAINTENANCE TROUBLESHOT AUTOFEATHERFeb 7, 1996 · N87BP · Beech 200BEECHSDR HNAA9695009Terminal Block · failedTPA/TLH - FLT 3448 - DURING AUTOFEATHER TEST, THE LEFT AND RIGHT ALTERNATE FEATHER ADVISORY LIGHTS WOULD NOT ILLUMINATE. REPLACED 2431-TB7 TERMINAL BLOCK IN DC CONTACTOR BOX. (X)Feb 5, 1996 · N2FOR · Dhav DHC8102SDR AU960132Pump · failed(AUS) BURNT OUT RH PROPELLER UNFEATHERING PUMP CAUSED NO2 EMERGENCY DC BUS CIRCUIT BREAKER CB470 (80AMP) TO TRIPJan 29, 1996 · Emb EMB120SDR COMA9512033Relay · failedAUTO FEATHER AURAL WARNING DURING TAKEOFF. REPLACED THE AUTO FEATHER ARMING RELAY.Dec 19, 1995 · N179CA · Emb EMB120RTSDR 96ZZZM177Switch · inoperativeRIGHT AUTO FEATHER NOT TESTING PROPERLY ON GROUND. REMOVED AND RETURNED LOW PRESSURE SWITCH. OPS GOOD. (M)Dec 4, 1995 · N129GP · Beech 1900CSDR HNAA9593711Relay · failedFLT NR 3096 - JAX-TPA - THE AUTOFEATHER ARM LIGHT IS INTERMITTENT ON CLIMB-OUT. THE FLIGHT CONTINUED ON TO TPA AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED RELAY 6121-K5 AND CHECKED WIRING AT BACK OF AUTOFEATHER SELECT SWITCH. (M)Nov 16, 1995 · N937HA · Dhav DHC8102SDR CA960102003Connector · corroded(CAN)DURING SIO 8-61-03 INSPECTION, THE LEFT HAND CONNECTOR (9811-P13) WAS FOUND HEAVILY CORRODED. BACKSHELL AND CANNONN PLUG SHOWING SEVERE 'POWDERING' DUE TO EXCESSIVE CORROSION. THIS CORROSION POSSIBLY CAUSING LOSS OF CIRCUIT INTEGRITY IN AUTO-FEATHER SYSTOct 20, 1995 · Dhav DHC8301SDR COMA9511979Relay · defectiveDURING TAKEOFF ROLL, AUTOFEATHER SYSTEM DID NOT ARM. REPLACED RELAYS K0039 AND K0161, SYSTEM TEST NORMAL.Oct 1, 1995 · N267CA · Emb EMB120RT
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