JASC 6120
Service difficulty reports · 1,421
Reports filed under 6120 · Propeller Controlling System, 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 = '6120' 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 = '6120' 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 AU970347Harness · faulty(AUS) LH PROPELLER CONTROL HARNESS FAULTYSDR UF6A970307Transfer Tube · failedORD - FLT 5735 - ON SHUT DOWN, NR 2 PROPELLER FAILED TO FEATHER. MAINTENANCE REMOVED AND REPLACED NR 2 PROPELLER OIL TRANSFER TUBE SEALS. SYSTEM OPS CHECK AND LEAK CHECK GOOD. (X)SDR CA970421027Prop Controller · stiff to move(CAN) AIRCRAFT PROP LEVER FOUND TO BE STIFF OPERATING ON COLD CLIMATE WHILE FREE MOVING IN THE WARM HANGER. CABLE REMOVED AND FOUND LUBRICATED WITH A HEAVY GREASE WHICH WAS CONGEALING IN COLD WEATHER. SUBMITTER STATES THAT THIS IS A TEFLON LINED CABLE CASE ANDSDR HNAA9792135Wire Harness · failedFLT 3426 - PHF-PHL - WHEN AUTOFEATHER IS SELECTED, POWER UPTRIM LIGHT ILLUMINATES AND NR 1 ALTERNATE FEATHER PUMP LIGHT ILLUMINATES. REMOVED AND REPLACED NR 2 ENGINE STRUT HARNESS. (M)SDR COMA9730015Contacts · dirtyAUTO COARSEN SYSTEM DID NOT ARM DURING TAKEOFF. COULD NOT DUPLICATE. CLEANED CONTAMINATION FROM P3 ARMING SWITCH CONNECTIONS, SYSTEM TEST NORMAL.SDR PNSA970305Monopole · intermittentLEFT ENGINE NO AUTO START. MANUAL OK. REPLACED MONOPOLE.SDR AU970292Valve · sticking(AUS) NTS CHECK VALVE ON GEARCASE STICKING ALLOWING HIGH PRESSURE GOVERNOR OIL TO ACTIVATE BETA SWITCHSDR UF6A970303Pcu · failedORD - FLT 5752 - NR 1 PROPELLER WILL NOT FULLY FEATHER. MAINTENANCE REMOVED AND REPLACED NR 1 PCU. SYSTEM OPS CHECKS GOOD. (X)SDR PLGA970304AAutocoarsen · malfunctionedPWM - FLT 4471 - DURING TAKEOFF, THE AUTOCOARSEN CYCLED FROM HIGH TO LOW. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE GROUND RAN ENGINES WITH NO DEFECTS FOUND. AIRCRAFT RETURNED TO SERVICE. (M)SDR MASA97012Switch · misriggedSEA/PSC - FLT 7943 - ON DESCENT INTO PSC, THE RT PROP ATTEMPTED TO AUTOFEATHER. THE FLIGHT CREW TURNED OFF THE AUTOFEATHER SYSTEM AND THE FEATHERING STOPPED. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. FERRIED TO YKM WITH THE AUTOFEATHER SYSTEM DEACTIVATSDR VTZA97146Prop Gov · out of adjustFLT 6544 - ROA-IAD - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD ONLY MAKE 71 PERCENT TORQUE AND 102 PERCENT RPM. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED PROP GOVERNOR, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPRSDR 97ZZZX882Rod End · rubbingPROPELLER CONTROL NOT MAKING FULL TRAVEL. THREADED PORTION OF ROD END ASSY RUBBING A TRACK INTO LT FWD BAFFLE ASSY., P/N 85565-02. HAVE NOTED THIS ON NEARLY ALL NEW PA32R301 SARATOGA IIHP AIRCRAFT. SUBMITTER STATES NEED TO MANUFACTURE A SUPPORT TO KEEP BAFFSDR COMA9710099Pitchlock Screw · damagedPROPELLER ASSEMBLY REMOVED FROM AIRCRAFT DUE TO BEING STRUCK BY LAVORATORY CART WHILE STATIC ON AIRCRAFT RAMP. DURING PROPELLER IMPACT INSPECTION ACTUATOR FEATHER STOP TAB WAS FOUND TO BE DISPLACED APPROXIMATELY .125 FEET. ACTUATOR S/N 20383 WAS SUBSEQUENTLYSDR COMA9710096Pitchlock Screw · bentACTUATOR ASSEMBLY REMOVED FROM AIRCRAFT DUE TO FEATHER STOP TAB BEING FOUND DISPLACED. AIRCRAFT BROUGHT IN FOR SCHEDULED MAINTENANCE. UPON INITIAL RECEIVING INSPECTION THE FEATHER STOP TAB S/N S0561 WAS FOUND TO BE BENT APPROXIMATELY 0.125 INCH. PITCHLOCK SSDR COMA9710095Pitchlock Screw · bentACTUATOR ASSEMBLY REMOVED ORIGINALLY FOR PROPELLER FEATHERING PROBLEMS. UPON INITIAL RECEIVING INSPECTION THE FEATHER STOP TAB S/N S0159 WAS FOUND TO BE BENT APPROXIMATELY 0.25 INCH. PITCHLOCK SCREW WAS REMOVED FROM ASSEMBLY AND RETURNED TO MANUFACTURER. PASDR PLGA970124BAutocoarsen · malfunctionedBDL - FLT 4684 - DURING TAKEOFF, THE AUTOCOARSEN FAILED TO ARM. THE TAKEOFF WAS ABORTED. CREW GROUND RAN ENGINES AND SYSTEM CHECKED GOOD. TAKEOFF WAS THEN COMPLETED. (M)SDR COMA9710073Pitchlock Screw · damagedACTUATOR ASSEMBLY REMOVED ORIGINALLY FOR MAJOR INSPECTION. UPON INITIAL RECEIVING INSPECTION, THE FEATHER STOP TAB (S/N S0328) WAS FOUND TO BE BENT APPROXIMATELY 0.125. PITCHLOCK SCREW WAS REMOVED FROM ASSEMBLY AND RETURNED TO MANUFACTURER.SDR COMA9710072Pitchlock Screw · damagedPROPELLER ASSEMBLY REMOVED FOR INSPECTION. ACTUATOR PITCHLOCK SCREW WAS FOUND TO BE UNSERVICABLE WITH THE FEATHER STOP TAB BEING BENT APPROXIMATELY .125. PITCHLOCK SCREW WAS REPLACED WITH SERV SCREW AND UNSERV SCREW RETURNED TO MANUFACTURER.SDR C2XA97CL008Pcu · faultyCLE - FLT 3283 - CREW REPORTED THAT DURING CLIMB THE RIGHT PROP NP FLUCTUATES BETWEEN 1 PERCENT AND 2 PERCENT. AIRCRAFT RETURNED TO FIELD. MAINTENANCE INSPECTED THE AIRCRAFT THEN REMOVED AND REPLACED THE RIGHT PROPELLER CONTROL UNIT IAW EMB-120 MM 61-21-00. SDR 97ZZZX2056Prop Control · malfunctionedWHILE IN CRUISE FLIGHT FROM ANIAK AT CRUISE POWER (30 INCH MANIFOLD PRESSURE, 2100 RPM, AUTO LEAN), THE RPM ON THE RIGHT ENGINE SUDDENLY CLIMBED FROM 2100 RPM TO APPROXIMATELY 3700 RPM OR 6 O'CLOCK. PILOT RETARDED THE THROTTLE FOR THAT ENGINE AND FEATHERED THSDR REXA97021Prop Pitch Contl · blown gasketRIGHT ENGINE LOST ALL OIL PRESSURE ENGINE WAS SHUTDOWN AND AN EMERGENCY WAS DECLARED. REMOVED AND REPLACED RIGHT PPC GASKET BLOWN. (M)SDR COMA9710042Pcu · inoperativeRIGHT PROPELLER WENT TO 103.7 PERCENT RPM ON TAKEOFF. REPLACED RIGHT PROPELLER PCU.SDR 97ZZZX1076Snap Rings · missingLEFT HAND ENGINE WILL NOT MAINTAIN FULL RPM ON TAKEOFF. WILL NOT GO ABOVE 1850 RPM AND THEN DROPS OFF TO 1600 RPM. RPM RECOVERS TO 2000 RPM AFTER 2-3 MINUTES IN FLIGHT. FOUND LEFT PROP HAD TWO BETA FOLLOW-UP TUBE BUSHINGS, MISSING SNAP RINGS. REMOVED PROP SDR COMA9730004P3 Switch · inoperativeDURING TAKEOFF ROLL, AUTO COARSEN ARMED LIGHT DID NOT ILLUMINATE. REPLACED LT/RT ENG P3 SWITCHES. OPERATIONAL CHECK GOOD. PART TOTAL CYCLES, 14,793.SDR MALA975279Auto-Coarsen · malfunctionedFLT 3032 - ABORTED TAKEOFF FROM DTW, THE AUTO COARSEN WOULD NOT ARM. TESTED NORMAL. MAINTENANCE WARMED AUTO-COARSEN. GROUND RAN ALL CHECKS. ALL CHECKS GOOD. (M)SDR C2XA97CL006Relay Board · failedCLE - FLT 3019 - CREW REPORTED THE LEFT SIDE AUTOFEATHER DISARMED ONCE AIRBORNE. AIRCRAFT RETURNED TO FIELD. MAINTENANCE INSPECTED AIRCRAFT AND REMOVED AND REPLACED AUTOFEATHER RELAY BOARD, P/N 129-364079-7, IAW B1900D MM 61-21-00. MAINTENANCE ALSO REMOVED SDR COMA9730002P3 Switch · inoperativeAUTO COARSEN LIGHT DID NOT ILLUMINATE ON TAKEOFF OR SUBSEQUENT GROUND RUN-UP. REPLACED BOTH LEFT AND RIGHT P3 SWITCHES, OPERATIONAL CHECK GOOD.SDR SABA9700003Switch · out of adjustAGS - FLT 5221 - ON FINAL APPROACH INTO AGS PROPS AT 1700 RPM CAPTAIN BUMPED POWER LEVELS TO MATCH TORQUES. THE LT PROP RPM DROPPED TO 700 RPM. THE CAPTAIN SHUT THE LT ENGINE DOWN AND CONTINUED IN TO AGS WERE HE MADE AN UNEVENTFUL LANDING. HE DID NOT DECLARSDR SRAA961213Valve Housing · defectiveDURING FLIGHT, NR 4 ENGINE WENT TO 103 PERCENT RPM, AT THE SAME TIME ENGINE TORQUE, TIT AND FUEL FLOW READINGS WERE DECREASING. SHUT DOWN NR 4 ENGINE AND LANDED WITHOUT INCIDENT. FOUND NR 4 VALVE HOUSING DEFECTIVE. REPLACED NR 4 VALVE HOUSING, OPS CHECKED ISDR COMA9610407Pcu · malfunctionAFTER TAKEOFF, THE RT PROPELLER RPM INCREASED TO 102 PERCENT. WHEN POWER REDUCED, THE RPM DROPPED TO 96 PERCENT AND THEN INCREASED AGAIN TO 102 PERCENT. REPLACED THE RT PROPELLER CONTROL UNIT. PART TOTAL CYCLES, 11,585.SDR REXA96078Sensor · failedCTOT WON'T HOLD LEFT ENGINE, AUTOCOARSEN LIGHT FLICKERS. REMOVED AND REPLACED NP SENSOR. (M)SDR SRAA961211Valve Housing · failedON CLIMBOUT, AT FL 175 NR 2 PROP RPM WENT TO 105 PERCENT. SHUT DOWN NR 2 ENGINE AND CONTINUED TO DESTINATION. AIRCRAFT LANDED AT TOL WITHOUT INCIDENT. REPLACED PROP VALVE HOUSING ASSY AND OPERATIONAL CHECKED PER MM CH 61.SDR COMA9610404Pitchlock Screw · failedPROPELLER ASSEMBLY WAS ORIGINALLY REMOVED FOR EXCESSIVE VIBRATION. UPON DISASSEMBLY AND VISUAL INSPECTION, ACTUATOR (S/N 880601) WAS FOUND UNSERVICEABLE DUE TO THE FEATHER STOP TAB ON THE PITCHLOCK SCREW BEING DISPLACED APPROXIMATELY .5 IN FROM ORIGINAL POSITSDR SWIA95783Pcu · malfunctionedON CLIMBOUT, RT TORQUE GAUGE FLUCTUATES 80 PERCENT TO 105 PERCENT BOTH IN DIGITAL AND ANALOG WITH EEC'S IN MANUAL. REMOVED AND REPLACED RT ENGINE PCU. ALL GROUND RUNS AND LEAKS CHECKS IAW MM 61-00-00.SDR VNAA9611006Connector · dirtyLT PROP LOW PITCH CAS MESSAGE CAME ON AND ENGINE FLUX WHEN POWER LEVERS WERE ADVANCED. MAINTENANCE CLEANED THE CONNECTORS ON THE LT PCU AND ECU, PERFORMED GROUND RUN, OPERATIONAL CHECK GOOD.SDR COMA9610335Sig Cond Unit · malfunctionAUTOFEATHER WARNING SOUNDED AFTER TAKEOFF. REPLACED THE RT SIGNAL CONDITIONER UNIT.SDR RAIA961118Monopole · failedSTL - FLT 7029 - RIGHT SRL CAPTION CAME ON AT 80 PERCENT TORQUE. MAINTENANCE REPLACED THE RIGHT ENGINE PROP GOVERNOR MONOPOLE. (M)SDR RAIA961119Bolt · looseLAX - FLT 4767 - LEFT ENGINE RPM FLUCTUATING ON TAKEOFF. SECURED UNDERSPEED GOVERNOR ROD BOLT. (M)SDR CA961120006Control Cable · broken(CAN) LEFT HAND PITCH CONTROL CABLE BROKE WHILE CHECKING IT. CABLE BROKE INSIDE CASE AT BEGINNING OF THE FLEXIBLE SECTION. SUBMITTER SUSPECTS THAT PILOT TRIED TO MOVE CONTROL WHEN ENGINE WAS STILL COLD.SDR COMA9630159B Nut · looseAUTO COARSEN WOULD NOT ARM ON TAKEOFF. ABORTED TAKEOFF. FOUND LOOSE B-NUT ON LT ENG. P3 SWITCH, TIGHTEN B-NUT. OPS CHECK GOOD.SDR COMA9610329Sig Cond Unit · malfunctionAUTO COARSEN SYSTEM DID NOT ARM DURING TAKEOFF. REPLACED THE SIGNAL CONDITIONER UNIT.SDR COMA9630157Pcu · malfunctionedLEFT PROPELLER RPM INDICATES 1380 DURING TAKEOFF. COULD NOT DUPLICATE DISCREPANCY. 4 RPM IS TOO MINUTE TO PERCEIVE ON THE ANALOG TYPE RPM INDICATOR. THE PROPELLER PITCH CONTROL UNIT WAS REPLACED FOR TROUBLESHOOTING. PART TOTAL CYCLES, 28,337.SDR COMA9630155Computer · malfunctionAUTO COARSEN WARNING ON CWP DURING TAKEOFF. REPLACED THE AUTO COARSEN COMPUTER.SDR SRAA961015Valve · defectiveDURING FLIGHT, NR 2 ENGINE RPM DECAYED RAPIDLY. SHUT DOWN NR 2 ENGINE AND LANDED WITHOUT INCIDENT. FOUND NR 2 ENGINE VALVE HOUSING DEFECTIVE. REPLACED NR 2 PROP VALVE HOUSING, PERFORMED ENGINE RUN SYSTEM OPS CHECKED GOOD PER SAT J/C 6103, 7101 AND 7101-2.SDR REXA96063Rod Ends · wornRIGHT RPM REMAINED HIGH IN FLIGHT. ADJUSTED ROD LENGTH ON PROPELLER GOVERNOR. OPS CHECK GOOD ON GROUND RUN. (M)SDR 97ZZZM132Cable · separatedFLT 4908 - PID-MIA - AN ATTEMPT TO FEATHER, NR 4 ENG FAILED. FUEL SHUTOFF HANDLE WAS PULLED AND THE T5 TEMP INCREASED TO 1000 DEG. 'T' HANDLE WAS RESET AND TEMP DROPPED AND ENG CONTINUED TO RUN. MX PULLED 'T' HANDLE AND THE T5 WENT TO 600 DEG. START BUTTONSDR GLBA96209Prop Governor · malfunctionedBMG - DURING LANDING AT 110 KTS THE RIGHT PROP RPM DECREASES TO 900 AND THE LEFT STAYS AT 1400. RIGHT TORQUE INCREASES SLIGHTLY AND AIRCRAFT YAWS HEAVY TO THE LEFT. MAINTENANCE CLEANED LOW PITCH SOLENOIDS. LUBED PROP AND BETA CABLES. REMOVED ADN REPLACED RSDR GLBA96205Prop Contl Syst · malfunctionedSPI - LEFT ENGINE FEATHERED ON TAKEOFF AND WOULD NOT COME OUT OF FEATHER. MAINTENANCE RIGGED LOW PITCH SOLENOID, LOST MOTION LINK, SHORTED BETA CABLE AND VERIFIED BETA VALVE RIGGING. GROUND CHECKS GOOD. (M)SDR ASOA96046Oil Pump · faliedAPPROXIMATELY 60 MILES OUT ON APPROACH ICT-DFW, RIGHT NP BEGAN FLUCTUATING FROM 83 PECENT TO 87 PERCENT. ATTEMPTED 100 PERCENT NP, AND NP ROSE TO 101.5 PERCENT. CAPTAIN BROUGHT THE POWER LEVER BACK TO CONTROL THE NP, FLUCTUATION CONTINUED (WENT TO 105 PERCESDR HEEA968363Rod End Assy · bindingROD END IS BINDING.
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