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 MALA010498Controller · failedON FLIGHT 3685 DEPARTING OUT OF XNA, 1,000 FT NR 1 ENGINE FLAMED OUT. FLIGHT CONTINUED TO MEM. NO EMERGENCY DECLARED. MAINTENANCE REPLACED OVERSPEED CONTROLLER P/N ON/OFF 2-313-007-01, S/N OFF 476 IAW 76-20-01 201. OPS CHECK GOOD.SDR SIMA20011393Control Unit · faultyDFW - FLT 3503 - WHILE IN CILMB-OUT FROM DFW, THE NR 2 PROPELLER SINGLE CHANNEL PE FAULT LIGHT ILLUMINATED WITH AN ASSOCIATED TORQUE SURGE. THE AIRCRAFT WAS RETURNED TO DFW DUE TO CONTINUOUS SURGING FROM THE PROPELLER. THE AIRCRAFT WAS RETURNED WITH NO FURTHSDR CA010628012Tube · broken(CAN) COULD NOT CYCLE PROPELLER. FOUND OIL TRANSFER TUBE IN NOSE CASE BROKEN AT ATTACH POINT IN CENTRE OF TUBE. ONE TUBE REPLACED AT 274 HOURS SINCE OVERHAUL AND ANOTHER TUBE WAS REPLACED WITH 243 HOURS SINCE REPLACEMENT. THESE ARE 2 SEPARATE OCCURANCES.SDR GLBA2001099Circuit Board · defectiveAFX DISABLE ANNUNCIATOR ILLUMINATED. INSPECTED FOUND BROKE WIRE W184A22 BY CAPTAINS LEFT LEG. ALSO REPLACED PCB, OPS CHECKED SYSTEM SATISFACTORY.SDR C2XA01CL098Controller · malfunctionedCLE FLIGHT 3192 THE CREW REPORTED THE NR 2 PROPELLER CYCLED IN AND OUT OF AUTOFEATHER SEQUENCE AT 1200 AGL. THE AIRCRAFT LANDED IN CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND PERFORMED GROUND PERFORMANCE RUNS AND PERFORMED AUTO FEATHER TESTSDR SABA010014Switch · failedAIRCRAFT 966 ON FLIGHT 5150 FROM SOP TO CLT. DURING TAKEOFF ROLL THE LEFT ENGINE BETA LIGHT CAME ON AT 70 KTS. TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE WITH NO OTHER PROBLEMS. NO EMERGENCY PROCEDURES WERE USED. MAINTENANCE REMOVED AND REPLSDR SIMA20011213Propeller · malfunctionedMIA - FLT 5251 - AFTER TAKEOFF, CREW REPORTED THE NR 1 PROPELLER SPEED WENT TO ZERO. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)SDR CA010529014Bracket · missing(CAN) DURING INSPECTION THE GUIDE PIN/BRACKET ASSEMBLY WHICH IS USED TO KEEP THE CARBON BLOCK IN THE BETA RING WAS FOUND MISSING. WITH ENOUGH PLAY IN THE SYSTEM THIS MIGHT ALLOW THE BLOCK TO COME OUT OF THE RING. THIS WOULD AFFECT PROPELLER OPERATION IN THE BESDR SW15200112234Fork · crackedAT OVERHAUL THE PITCH CHANGE FORK NR B2457-3 WAS FOUND TO HAVE A CRACK APPROX. .1875 INCHES IN LENGTH LOCATED AT THE LOWER INSIDE RADIUS OF THE NR 2 BLADE PITCH CHANGE SLOT.SDR GUU2001F00004Valve · out of adjFLT 2050 - FLL - DURING FLIGHT, LEFT PROPELLER GOES TO GROUND FINE WITH POWER AT FLIGHT IDLE. ADJUSTED LEFT PROPELLER BETA VALVE. (M)SDR 20010524SG009Linkage · looseFLT 9437 - MCO - AFTER TAKEOFF, RIGHT PROPELLER RPM FLUCTUATED BETWEEN 200 AND 1200 AND TORQUE WENT TO 5000 LBS. DETERMINED RIGHT PROPELLER LOW PITCH CONTROL LINKAGE TO BE SAFETIED BUT LOOSE. RIGGED PROPELLER LOW PITCH CONTROL LINKAGE TO BE SAFETIED BUT LOOSSDR 20010524SG010Linkage · out of rigFLT 9411 - MCO/MIA - ON TAKEOFF AT V1 SPEED ROTATION, NR 2 ENGINE LOST POWER. RERIGGED RIGHT ENGINE LOW PITCH CONTROL SYSTEM. (M)SDR SIMA20011043Control Unit · inoperativeDFW - FLT 3677 - CREW REPORTED TAKEOFF DUE TO NO TORQUE PROPELLER SPEED INDICATIONS FOR THE RIGHT ENGINE. MAINTENANCE REMOVED AND REPLACED THE DIGITAL ELECTRONIC CONTROL UNIT FOR THE RIGHT ENGINE IAW SAAB MM. OPS CHECKS WERE GOOD AND AIRCRAFT WAS RETURNE TO SDR SIMA20011033Control Unit · inoperativeDFW - FLT 3535 - AFTER TAKEOFF FROM DFW AT ABOUT 4,000 FEET THE CREW SELECTED THE POWER MANAGEMENT SWITCH FROM TAKEOFF TO CLIMB, THR NR 1 ENGINE TORQUE WENT TO 70 PERCENT AND THE PROPELLER SPEED WENT TO 100 PERCENT. THE CREW RETURNED TO DFW AND LANDED WITH NOSDR 20010604CW003Collar · loosePROBLEM REPORTED: PROP WOULD NOT CYCLE W/WARM ENGINE OIL. DISASSEMBLED ENGINE AND FOUND ONE SOCKET HAS SCREW .1562 THAT HOLDS THE TRANSFER COLLAR TOGETHER BROKEN ALLOWING THE COLLAR AND SEALS TO BECOME LOOSE ON CRANKSHAFT OIL TO ESCAPE AND NOT ALL TO THE PROSDR A6WA200100026Connector · faultyDURING DESCENT THE LEFT ENGINE SURGED SEVERAL TIMES. RETARDED POWER LEVER. C/W INFLIGHT SHUTDOWN OF LEFT ENGINE. MAINTENANCE REMOVED AND REPLACED PCU ELECTRICAL CONNECTOR.SDR 20010423CW001Gear · failedTHE BEARING FAILED ON THE PROP BRAKE SPLINE SHAFT CAUSING THE RETAINING RING TO DISENGAGE FROM ITS SLOT. THE CONFIGURATION OF THE PROP BRAKE HOUSING KEPT THE SPLINE FROM DISENGAGING WITH THE REDUCTION GEARBOX BUT DID ALLOW AN EXCESSIVE AMOUNT OF OIL BLOW BY. SDR NACA2001012Fuse · blownUNABLE TO CONTROL NR 2 PROPELLER WITH MASTER LEVER OR TOGGLES. REPLACED FUSE IN THE PROP SYNC BOX.SDR CX72001F00001Actuator · brokenRIGHT ACTUATOR PROPELLER BROKEN. ENGINE SHUT DOWN.SDR AUS20010732Beta Switch · faulty(AUS) PROPELLER BETA SWITCH FAULTY.SDR SABA010007Control Unit · out of adjAIRCRAFT 957 ON FLIGHT 5121 FROM CLT TO HTS. DURING TAKEOFF ROLL THE RIGHT ENGINE ONLY MADE 98 PERCENT RPM. TAKEOFF WAS ABORTED. AIRCRAFT RETURNED TO THE GATE WITH NO OTHER PROBLEMS AND NO EMERGENCY PROCEDURES WERE USED. MAINTENANCE ADJUSTED THE X SCREW PESDR PNSA010203Control Cable · failedDURING TAKE-OFF ROLL RT ENGINE DID NOT DEVELOPE FULL RPM. ABORTED TAKE-OFF RETURNED FOR MAINTENANCE. REPLACED PROP CONTROL CABLE DUE TO INTERNAL FAILURE.SDR VNAA0102015Pump · failedON LANDING IN EVV THE FLIGHT CREW REPORTED A LEFT ENGINE ELECTRONIC CONTROL UNIT FAILED. MAINTENANCE INSPECTED AND CLEANED THE CONNECTOR FOR THE ELECTRONIC CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 73-21-01 AND OPERATIONAL CHECKS WERE COMPLETSDR LR7A01001Bracket · out of adjNR 2 PROP FLUCUATING OUT OF LIMITS. ENGINE SHUTDOWN ON SHORT FINAL. RPM FLUCTUATING +/- 1 PERCENT. DATE: 2FEB01 TIME: 1047Z. ADJUSTED NR 2 NTS BRACKET IAW HAM STD MM P5059 PARA 4-1, PG I-405 AND I-406.SDR AU010044Control Cable · seized(AUS) RT PROPELLER CSU CONTROL CABLE OUTER CONDUIT WORN THROUGH WITHTHE INNER CABLE CATCHING ON THE WORN AREA. CONTROL SEIZED.SDR GLBA9189Pcu · intermittentAIR RETURN TO BLOCK - ENGINE SURGE ON T/O. REMOVED AND REPLACED PCU, ACTUATOR AND PROPELLER ASSEMBLY.SDR VNAA0012026Hydro Mech Unit · failedFLIGHT 4070 ABORTED TAKEOFF AFTER POWER LEVERS WERE ADVANCED AND THE LEFT HAND ENGINE OVER TORQUED. MAINTENANCE INSPECTED AND REPLACED THE PROPELLER HYDRAULIC UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-00-00. OPERATIONAL CHECKS WERE PERFORMED AND SDR 20010125SG006Control Cable · damagedFLT 9156 - FLL - SHORTLY AFTER TAKEOFF FROM FLL, THE LEFT PROPELLER BEGAN TO RETARD TOWARD FEATHER. AFTER APPROXIMATELY THIRTY SECONDS, PROPELLER WAS SPINNING IN FEATHER. REMOVED AND REPLACED LEFT ENGINE PROPELLER REVERSING LINKAGE PUSHPULL CONTROL CABLE. GSDR CA001031028Link · cracked(CAN) CRACK INDICATION ON THE LINK ARM FOUND DURING OVERHAUL INSPECTION.SDR RAIA0010008Controller · leaking6225-JFK- LEFT ENGINE LOW OIL PRESSURE CAPTION ILLUMINATED ON TAXI. MAINTENANCE INSPECTED AND DEFERRED PER MEL. MAINTENANCE REPLACED LEFT ENGINE PROPELLER PITCH CONTROL.SDR MALA000562Switch · failedAUTOCOARSEN LIGHT ILLUMINATED. ORH COMPLETED. LIGHT EXTINGUISHED AND RE-ILLUMINATED. AIR TURNBACK TO MSP. MAINTENANCE CND FOR TROUBLESHOOTING PURPOSES REPLACED THE LT AND RT AUTOCOARSEN PRESSURE SWITCH, OPS CHECK GOOD AT THIS TIME.SDR C2XA00CL075Circuit Board · failedCLE - FLT 3170 - THE CREW REPORTED THE RIGHT AUTO FEATHER TEST WAS NOT FEATHERING THE PROPELLER. THE AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 2 AUTO FEATHER LOW PRESSURE SWITCH (P/N 50-389121-29)IAW 61-21-01. MAINTENANSDR MALA000543Control Box · failedNR 4 ENGINE QUIT RUNNING AT CRUISE FLIGHT 16,000 FT. MAINTENANCE INSPECTED NR 4 ENGINE, NO DEFECTS NOTED. EVIDENCE OF INGESTION OF EXTERNAL LEAKAGE. CODE ON ECU. PERFORMED GMD RUNS AT BWR NO DEFECTS NOTED OVERSPEED FAIL DSI LIGHT ONLY. REPLACED OVERLAPED SDR AU000743Control Cable · separated(AUS) PROPELLER CONTROL CABLE ROD END NOT CONNECTED TO CSU. BOLT MISSING. (X)SDR AU000687Control Cable · failed(AUS) LEFT AND RIGHT PROPELLER OUTER CONTROL CABLES SEPARATED AT SLIDE JOINT LOCATED AT PROPELLER GOVERNOR END. LEFT CABLE HAD BEEN REPAIRED BY LOCKWIRING THE ENDS TOGETHER. CABLES P/N 9910269-15 AND P/N 9910269-16. (X)SDR AU000653Relay · faulty(AUS) AUTO-COARSEN SYSTEM FAILED. INVESTIGATION FOUND AN INTERMITTENT RELAY.SDR CA000907008Wire · broken(CAN) CAREW REPORTED APPROXIMATELY 200 RPM PROP INDICATION FLUCTUATION IN-FLIGHT. ALL OTHER ENGINE PARAMETERS WERE OK. SYSTEM INSPECTED AND A PIN IN THE PROP MAGNETIC PICK UP CANNON PLUG WAS FOUND WITH A BROKEN WIRE. WIRE/PIN CONNECTION REPAIRED AND RUN-UP SDR CA000901003Actuator · leaking(CAN) TIME SINCE REPAIR 4379. RIGHT PROP LEAKING OIL. RT PROP ACTUATOR REPLACED AND AIRCRAFT RETURNED TO SERVICE.SDR VNAA0008014Pressure Switch · failedTHE CREW RECEIVED A RIGHT HAND PROPELLER OIL PRESSURE CAS MESSAGE. THE CREW CALLED MAINTENANCE CONTROL AND ELECTED TO RETURN TO THE FIELD. MAINTENANCE INSPECTED AND REPLACED THE PRESSURE SWITCH IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 61-21-12. OPERATISDR RAIA0008005Tube · damaged7154-STL- RIGHT ENGINE DOES NOT MAKE 100 PERCENT RPM UNTIL 50 PERCENT TORQUE IS ACHEIVED. MAINTENANCE INSPECTED AND REPLACED RIGHT PROPELLER BETA OIL TRANSFER TUBE.SDR SWIA971914Pcu · failedTORQUE AND NP FLUCTUATE INFLIGHT. TORQUE PLUS OR MINUS 10 - 15 PERCENT, NP FLUCTUATES 5 - 7 PERCENT. NO FUEL FLOW FLUCTUATIONS NOTED. RIGHT ENGINE TAKEN TO FEATHER. NORMAL LANDING. REMOVED AND REPLACED RIGHT ENGINE PCU. OPS CHECK AND LEAK CHECKS GOOD. PSDR SWIA971900Pcu · failedAFTER TAKEOFF TORQUE FLUCTUATED AS MUCH AS 15 PERCENT CONTINUOUSLY RIGHT ENGINE. RETURNED TO FIELD. REPLACED RIGHT ENGINE PCU IAW MM 61-21-00 AND CARD RII 61-304. OPS CHECKS GOOD. P/N ON: 782490-46, S/N ON: 910985, S/N OFF: 890661.SDR S2YA00023Block · wornFLT 1354 - MKE-TVC - SHORTLY AFTER TAKEOFF, THE LEFT ENGINE TORQUE STARTED FLUCTUATED 100-200 LB. THE CREW MADE AN AIR-TURN-BACK AND AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED THE ENGINE AND REPLACED THE BETA BLOCK. MAINTENANCE OPS CHECKED THE A/C AND RETSDR CA000809005Fitting · cracked(CAN) WHILE FLYING ON A PRACTICE, THE PILOT NOTICE OIL COMING FROM THE LT ENGINE GOVERNOR OIL SUPPLY LINE. THE ENGINE WAS FEATHERED AND THE AIRCRAFT RETURNED TO BASE. THE FORWARD 45 DEGREE FITTING ON THE OIL LINE WAS CRACKED ACROSS THE INSIDE RADIUS AT THE BENSDR SWIA971893Pcu · fluctuatesLEFT ENGINE TORQUE FLUCTUATED BETWEEN 100 - 48 PERCENT AFTER ROTATION AND DURING TAKEOFF. RETURNED TO SFO. CHANGED LEFT ENGINE PCU IAW MM 61-21-00. P/N ON: 782490-46, S/N ON: 911159, S/N OFF: 920135.SDR FJT00079371Controller · failedDURING DESENT TO RDU, THE RIGHT PROPELLER RPM BECAME UNCONTROLLABLE, PROPELLER RPM WENT TO 104 PERCENT. THE CREW WAS UNABLE TO REDUCE THE RPM TO 100 PERCENT WITH THE SPEED LEVER. A PRECAUTIONARY RIGHT ENGINES SHUT DOWN WAS PERFORMED. THE AIRCRAFT LANDED ANDSDR LR7A00165Housing · failedON APPROACH ANC, FLIGHT CREW REPORTED NR 1 ENGINE SHUTDOWN AT 0142Z DUE PROPELLER RPM OUT OF LIMITS. REPLACED PROPELLER VALVE HOUSING PER HN61135. OPS CHECK GOOD PER JC7101.SDR EY2R56924Rod · corrodedBETA RODS CORRODED IN THREAD AREA. (X)SDR 20010523CW004Gasket · unserviceablePILOT REPORTED DROP IN RIGHT ENGINE OIL PRESSURE DURING CLIMB THROUGH 10,000 FT AFTER DEPARTURE FROM FSD. NO EMERGENCY WAS DECLARED. PILOT RETURNED AIRCRAFT TO FSD WHERE MAINTENANCE DISCOVERED A FAILED PROPELLER LOCK LIMIT SWITCH GASKET; CAUSING THE LOSS OF SDR COEA0001702Gasket · failedPILOT REPORTED THAT AS HE WAS CLIMBING THROUGH, 10,000 FT HE OBSERVED THE OIL PRESSURE DROPPED TO 9 PSI AND THE OIL LIGHT ILLUMINATED. AT THIS TIME HE ELECTED TO RETURN TO SIOUX FALLS, SOUTH DAKOTA. THE PILOR REPORTED HE WAS ABLE TO LAND WITHOUT INCIDENT. N
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