JASC 2750

Service difficulty reports · 10,201

Reports filed under 2750 · Trailing Edge Flap Control 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 = '2750'
  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 9700992715Link · failedDURING TAKEOFF, FLAPS WOULD NOT RETRACT TO 20 DEGREES. AIRCRAFT DUMPED FUEL AND RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED LINK ON TRAILING EDGE FLAP CONTROL. PERFORMED OPERATIONAL CHECK OF LEADING AND TRAILING EDGES, CHECKED OK.Jan 6, 1997 · N719RC · Boeing 7272S7SDR TWAA9703001Torque Tube · brokeSTL - FLT 487 - DURING CLIMB, THE LEFT OUTBOARD FLAP TORQUE TUBE BROKE. REMOVED AND REPLACED LEFT OUTBOARD FLAP TORQUE TUBE, MFG P/N 69-16332-1, AND LEFT REAR SPAR ATTACH FITTING, MFG P/N 69-14913-5. SYSTEM OPERATIONAL CHECK NORMAL. (M)Jan 3, 1997 · N54352 · Boeing 727231SDR 97ZZZX459Relay · inopPILOT REPORTED PRIMARY FLAP SYSTEM AND STBY FLAP SYSTEM INOP. MEHCANICS FOUND FLAP RELAY K21 WITH INTERNAL MALFUNCTION. RELAY WAS INSPECTED AND IT WAS FOUND THAT INTERNAL CONTACTOR A3 DID NOT HAVE THE SILVER CONTACT WELDED TO TERMINAL, THEREFORE, AN INTERNALJan 1, 1997 · N1024V · Cessna 208BSDR 96UAL901009Hydraulic Motor · failedINBOARD TRAILING EDGE FLAPS DO NOT EXTEND FULLY HYDRAULICALLY OR ELECTRICALLY ON APPROACH FOR LANDING. *S/D* REPLACED INBOARD FLAP HYDRAULIC MOTOR AND SYSTEM CHECKED OK.Dec 31, 1996 · N7295U · Boeing 727222SDR UPS96821794Actuator · failedINSPECTION TYPE-N/A, AFTER LANDING ROLLOUT WHEN RETRACTING FLAPS, RES LOW LIGHT CAME ON FLAPS WOULD NOT RETRACT, HYD QTY FALLING RAPIDLY, SYS PRS WENT TO 0 PSI. FOUND RT W/FLAP ACT CYL BROKE AT COMPENSATING LINK, AND UP-HYD PRS LINE CRACKED AT FITTING. REPLADec 29, 1996 · N703UP · Doug DC871FSDR 97ZZZX861Drive Motor · leakingCUR - AIRCRAFT DEPARTED, LOST A-SYSTEM PRESSURE SHORTLY AFTER TAKEOFF. AIRCRAFT RETURNED TO CUR AND MADE AN UNEVENTFUL LANDING. AFTER BLOCK IN, THE HYDRAULIC INTERCONNECT WAS OPENED. B-SYSTEM DUMPED INTO A-SYSTEM DEPLETING BOTH SYSTEMS. TROUBLESHOOTING FOUDec 29, 1996 · N296AJ · Boeing 727251SDR VNAA9612007Flap Control · failedWHILE AT CRUISE FLIGHT, A FLAP ASSYM CAS MESSAGE AND A FLAP FAIL CASS MESSAGE WERE INDICATED. CONSULTED QRH AND VISUALLY ENSURED THAT FLAPS WERE AT ZERO DEGREES, CONTINUED ON TO DAYTON AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THEDec 27, 1996 · N438JS · Dorner DO328100SDR 97ZZZX498Flap Arm · bolts incorrectFLAP CABLE ATTACH BOLTS AT WING BELLCRANK FOUND TO BE INSTALLED UPSIDE DOWN. IPC SHOWS BOLTS INSTALLED HEAD UP. NUT STRIKES ADJACENT RIB AT FLAPS DOWN POSITION. NO RECORD OF FLAP MAINTENANCE IN A/C RECORDS.Dec 26, 1996 · N9622V · Chris A1SDR SWIA95799Connector · failedFLAP DISAGREEMENT ON TAKEOFF. RETURNED TO FIELD. REPLACED CONNECTOR FOR LEFT INBOARD FLAP ACTUATOR, OPS CHECKS GOOD.Dec 23, 1996 · N215SW · Emb EMB120ERSDR COMA9660231Bpsu · malfunctionFLAPS FAIL CAUTION MESSAGE WHEN FLAPS SELECTED FOR LANDING. REPLACED THE LEFT FLAP BRAKE AND POSITION SENSOR UNIT.Dec 19, 1996 · N969CA · Cndair CL6002B19SDR SWIA95793Computer · malfunctionedFLAP CONTROL FAULT OUTBOARD FLAPS 15 DEG INBD AND NACELLE FLAPS 25 DEG. UNABLE TO LAND SBP DIVERTED TO SMX.REPLACED FLAP COMPUTER, CLEANED TRACKS, RAN FLAPS. SYSTEM OPS CHECKS GOOD AT THIS TIME.Dec 17, 1996 · N213SW · Emb EMB120ERSDR 96UAL900944Drive Unit · failedLEFT NR 2 LEADING EDGE FLAP WOULD NOT RETRACT. RETURNED TO FIELD. *S/D* NR 2 LEFT HAND LEADING EDGE FLAP DRIVE UNIT WAS REPLACED. REMOVED UNIT WAS DISASSEMBLED IN THE SHOP WITH NO DEFECTS NOTED.Dec 17, 1996 · N4724U · Boeing 747122SDR CA961223007Transmitter · wet(CAN) TRAILING EDGE FLAP ASYMMETRIC PROTECTION TRIPPED WHEN FLAPS SELECTED ON FINAL APPROACH. LH POSITION TRANSMITTER CLEANED. SERVICEABLE.Dec 13, 1996 · Boeing 7372A9CSDR CA961217002Resolver · failed(CAN) WING FLAPS STUCK AT 0 DEGREES. FOUND GREEN MAIN RESOLVER OPEN. RESOLVER REPLACED AND RE-RIGGED.Dec 12, 1996 · Bag BAE146200ASDR ABXA9700421Drive Link · crackedDURING COMPLIANCE OF A.D.88-10-07, FOUND LEFT INBOARD FLAP DRIVE LINK CRACKED AT POINT J. REPLACED LEFT INBOARD FLAP DRIVE LINK IAW DC-8 M.M. 27-51-4.Dec 11, 1996 · N847AX · Doug DC861SDR VTZA96436Flap Handle · failureFLT 6224 - PHL-IAD - DURING APPROACH, EXPERIENCED A DISCREPANCY WITH THE FLAP SELECTOR SYSTEMS. FLAPS SELECTED NOT LOCKING AT FLAPS 35 DEGREES. SELECTED 35 DEGREES, SELECTOR WENT FROM 35 DEGREES TO 20 DEGREES. AIRCRAFT LANDED AT IAD WITH NO INCIDENT REPORTEDec 10, 1996 · N494UE · Bag JETSTM3201SDR COMA9610389Control Unit · malfunctionFLAP CONTROL FAULT WARNING DURING APPROACH. REPLACED THE FLAP CONTROL UNIT.Dec 10, 1996 · N249CA · Emb EMB120RTSDR 96UAL900914Control Mech · damagedAIRCRAFT EXPERIENCED A HARDER THAN NORMAL LANDING AT NRT. THE LANDING DAMAGED THE RT INBOARD TRAILING EDGE FLAP INSTALLATION, FAILING AFT FLAP CONTROL RODS AT FLAP POSITION NR 5 AND NR 6 AND THE NR 6 MOVABLE FAIRING ACTUATOR ROD ATTACH FITTING. ADDITIONALLY,Dec 10, 1996 · N163UA · Boeing 747238BSDR SWIA95791Bpsu · malfunctionedFLAPS FAIL MESSAGE. RETURNED TO FIELD. REPLACED FECU. PROBLEM STILL THERE. REPLACED LEFT BPSU. OPS CHECKS GOOD.Dec 9, 1996 · N413SW · Cndair CL6002B19SDR AALA961750Indicator · req resetLAX - FLT 649 - DURING DESCENT INTO SNA, FLAP ASYMMETRY WARNING CAME ON AFTER SELECTING 1 DEGREE FLAP. ACCOMPLISHED EMERGENCY CHECKLIST AND LOWERED FLAPS BY ALTERNATE METHOD TO 20 DEGREES. AIRCRAFT DIVERTED TO LAX AND LANDED WITHOUT FURTHER INCIDENT. RESET Dec 3, 1996 · N625AA · Boeing 757223SDR GLBA96252Switches · dirtySPI - FLAPS DID NOT COME UP AFTER DEPARTURE. MAINTENANCE CLEANED LIMIT SWITCHES. (M)Dec 2, 1996 · N84GL · Beech 1900CSDR CA961205019Gearbox · failed(CAN) WHILE COMPLYING WITH SB 550-27-16, AND AFTER REMOVAL OF BOTH GEARBOXES, ONE COULD BE TURNED FREELY WITHOUT OUTPUT SHAFT TURNING.Dec 2, 1996 · Cessna 550SDR 9625503202Retract Syst · locked upDURING APPROACH WHEN SELECTING FLAPS 2, RECEIVED F/CTL FLAPS LOCKED ALIGNMENT FAULT COMPLETED COCKPIT OPERATING MANUAL PROCEDURES AND LANDED WITH FLAPS 0. LANDING WAS ACCOMPLISHED WITHOUT INCIDENT. MAINTENANCE RESET NR 1 AND NR 2 SLAT FLAP CONTROL COMPUTERS,Dec 1, 1996 · N302US · Airbus A320211SDR COMA9660211Bpsu · shortedFLAPS FAILED AT 12 DEGREES DURING TAXI OPS. REPLACED THE RT FLAP BRAKE AND POSITION SENSOR UNIT.Nov 25, 1996 · N962CA · Cndair CL6002B19SDR CA970129014Fecu · failed(CAN) FLAPS FAILED AFTER TAKEOFF. CIRCUIT BREAKER RESET - NO GOOD. FLAPS STUCK AT 8 DEGREES. REPLACED FLAP ELECTRONIC CONTROL UNIT AND ALSO BRAKE POSITION SENSING UNIT.Nov 25, 1996 · Cndair CL6002B19SDR 96UAL900897Rvdt · failedLANDED IN SFO UNDER AMBER ALERT DUE TO FLAP EXTENSION PROBLEM. *S/D* THE ROTARY VARIABLE DIFFERENTIAL TRANSFORMER FLAP LEVER FAILED. REPLACED ROTARY VARIABLE DIFFERENTIAL TRANSFORMER PER MM 27-51-26, OPERATIONS CHECK NORMAL.Nov 25, 1996 · N660UA · Boeing 767322SDR CALA9601702Spring · brokenTHE FLAPS WOULD NOT FULLY RETRACT AFTER TAKEOFF. THE FLAP HANDLE WOULD NOT STAY IN THE RETRACT POSITION. THE AIRCRAFT WAS RETURNED TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE FLAP HANDLE CONTROL SPRING BROKEN. THE SPRING WAS REMOVED AND Nov 22, 1996 · N16815 · Doug DC982SDR CA961125013Bpsu · failed(CAN) ON SELECTING 30 DEGREE FLAP SETTING, FLAP FAILURE MESSAGE ON EICAS. FLAPLESS LANDING CARRIED OUT. FLAP ELECTRONIC CONTROL UNIT FAULTED THE BRAKE AND POSITION SENSOR UNIT (BPSU). BPSU REPLACED.Nov 13, 1996 · Cndair CL6002B19SDR CA961125012Bpsu · failed(CAN) ON TAKEOFF THE CREW REPORTED FLAP FAIL AMBER CAUTION MESSAGE. RIGHT HAND BRAKE AND POSITION SENSOR UNIT CHANGED AS PER MM 27-51-10. SB'S 601R-27-043 (WATER INGRESS) AND -045 HARNESS REPLACEMENT, MAY APPLY. ALSO SB 601R-27-056 REPLACEMENT OF -5 BPSU WITH Nov 13, 1996 · Cndair CL6002B19SDR COMA9660202Flex Drive Cable · corrodedFLAPS FAILED DURING LANDING APPROACH. REPLACED CORRODED FLAP DRIVE FLEX CABLE.Nov 10, 1996 · N940CA · Cndair CL6002B19SDR TSAA9627086Nut · looseDURING PREFLIGHT CHECK DISCOVERED, RIGHT AILERON AND TAB DAMAGED. SUBSEQUENT INSPECTION REVEALED NR 8 FLAP TRANSMISSION SPLINED COUPLING RETAINING NUT BACKING OFF CAUSING DAMAGES TO THE ABOVE. REPLACED NR 8 AND NR 7 FLAP TRANSMISSIONS FOR PRECAUTIONARY, TORQNov 7, 1996 · N808AL · Boeing 7372T4SDR CA961118007Rod End · broken(CAN) WHEN FLAPS RETRACTED INDICATOR SHOWED 2 DEGREES DOWN IN FULL UP POSITION. VISUAL CONFIRMED POSITION. FOWLER FLAP MASTER BELLCRANK ACTUATING ROD BROKEN. REPLACED.Nov 7, 1996 · Fokker F28MK1000SDR 96ZZZX6007Torque Tube · damage by sealCESSNA 340A, WITH ROBERTSON STOL KIT, NOW OWNED BY SIERRA INDUSTRIES, STC SA474NW. ALUMINUM FLAP ACTUATOR TORQUE TUBE FOUND NEARLY SEVERED BY A WORN PRESSURIZATION SEAL. DEFECT WAS ONLY FOUND BECAUSE OWNER REPORTED POOR PRESSURIZATION DIFFERENTIAL AND ALL FUNov 7, 1996 · N6341X · Cessna 340ASDR COMA9610324Selector · defectiveFLAP CONTROL FAULT WARNING WHEN FLAPS SELECTED UP AFTER LANDING. REPLACED THE FLAP SELECTOR LEVER ASSY. PART TOTAL CYCLES, 14,618.Nov 6, 1996 · N259CA · Emb EMB120RTSDR 96ZZZX5643Control Cable · frayedUPON INSPECTION OF FLAP CABLES AFTER REMOVAL, SEVERAL BROKEN WIRES WERE DISCOVERED. ALSO NOTE THAT LOCATION OF DAMAGE AREAS WERE UNDETECTABLE WITHOUT CABLE REMOVAL. BENDING OF CABLES REVEALED SEVERITY OF BROKEN WIRES NOT EVIDENT BY EXTERNAL VISUAL INSPECTIONNov 4, 1996 · N247CB · Cessna 421CSDR 96ZZZX5642Control Cable · frayedUPON INSPECTION OF FLAP CABLES AFTER REMOVAL, SEVERAL BROKEN WIRES WERE DISCOVERED. ALSO NOTE THAT LOCATION OF DAMAGE AREAS WERE UNDETECTABLE WITHOUT CABLE REMOVAL. BENDING OF CABLES REVEALED SEVERITY OF BROKEN WIRES NOT EVIDENT BY EXTERNAL VISUAL INSPECTIONNov 4, 1996 · N247CB · Cessna 421CSDR 96ZZZX5641Control Cable · frayedUPON INSPECTION OF FLAP CABLES AFTER REMOVAL, SEVERAL BROKEN WIRES WERE DISCOVERED. ALSO NOTE THAT LOCATION OF DAMAGE AREAS WERE UNDETECTABLE WITHOUT CABLE REMOVAL. BENDING OF CABLES REVEALED SEVERITY OF BROKEN WIRES NOT EVIDENT BY EXTERNAL VISUAL INSPECTIONNov 4, 1996 · N247CB · Cessna 421CSDR 96FDEA01641Control Valve · inoperativeINBOARD TRAILING EDGE FLAPS FAILED TO EXTEND, INBOARD ALTERNATE FLAP CIRCUIT BREAKER POPPED WHEN ALTERNATE FLAP SWITCH ACTUATED. REPLACED INBOARD FLAP CONTROL VALVE PER 727-200 MAINTENANCE MANUAL CHAPTER 27-51-51. SERVICED HYDRAULIC SYSTEM, RIGGED SYSTEM PEROct 31, 1996 · N213FE · Boeing 7272S2FSDR CKSA96191Lockout Cylinder · reqd serviceWHEN 35 DEGREES FLAPS WERE SELECTED, FLAPS CAME DOWN TO 25 DEGREES, MISSED APPROACH. SELECTED FLAPS 35 DEGREES, FLAPS CAME DOWN TO 25 DEGREES UNTIL AIRCRAFT SLOWED TO 145 KIAS, THEN FLAPS LOWERED TO 35 DEGREES. BLED AND SERVICED FLAP LOCKOUT CYLINDER PER MM Oct 30, 1996 · N806CK · Doug DC8F54SDR 96ZZZX5804Bellcrank · looseTHE LEFT AND RIGHT FLAP IDLER BELLCRANKS, BOTH P/N 5865105-3, ARE FOUND TO BE WORKING BETWEEN THE CAST ARM AND THE TUBULAR BEARING SUPPORT COLUMN. THE 4 SECURING RIVETS ALSO APPEAR TO BE LOOSE BUT NOT SHEARED. SUBMITTED STATED IT IS BELIEVED THAT RIVET FAILUOct 30, 1996 · N2722Y · Cessna 441SDR 96ZZZX5708Control Cable · wornALL FLAP SYSTEM CABLES WERE REMOVED AS A PRECAUTIONARY MEASURE FOR A VISUAL INSPECTION. BOTH FLAP EXTEND CABLES WERE FOUND TO HAVE A GREAT DEAL OF INTERNAL WEAR AT PULLEY LOCATIONS. SUBMITTER SUGGESTS LIFE LIMIT ON CABLES.Oct 30, 1996 · N782LC · Cessna 421CSDR 96ZZZX5707Control Cable · wornALL FLAP SYSTEM CABLES WERE REMOVED AS A PRECAUTIONARY MEASURE FOR A VISUAL INSPECTION. BOTH FLAP EXTEND CABLES WERE FOUND TO HAVE A GREAT DEAL OF INTERNAL WEAR AT PULLEY LOCATIONS. SUBMITTER SUGGESTS LIFE LIMIT ON CABLES.Oct 30, 1996 · N782LC · Cessna 421CSDR 96ZZZX5606Bellcrank · wornTHE LT AND RT FLAP IDLER BELLCRANKS, BOTH P/N 5865105-3, ARE FOUND TO BE WORKING BETWEEN THE CAST ARM AND THE TUBULAR BEARING SUPPORT COLUMN. THE 4 SECURING RIVETS ALSO APPEAR TO BE LOOSE, BUT NOT SHEARED. IT IS BELIEVED THAT RIVET FAILURE WOULD RESULT IN FLOct 30, 1996 · N2722Y · Cessna 441SDR CA961112033Sensor · failed(CAN) ON APPROACH FLIGHT CONTROL FLAPS LOCKED ALIGNMENT FAULT APPEARED ON ECAM WHEN FLAP MOVED TO 2 POSITION. LH FLAP ATTACHMENT FAILURE DETECTION SENSOR 37 CV REPLACED. SYSTEM TEST SERVICEABLE.Oct 29, 1996 · Airbus A320211SDR 96ZZZX5646Control · wornA SPLIT FLAP CONDITION OCCURRED ON FINAL APPROACH. THE OUTER HOUSING OF THE PRE-SELECT CONTROL IS BADLY WORN WHERE IT MOUNTS TO BULKHEAD AT STA 166. FLAP CABLE AND PRE-SELECT ARE NOT RUNNING PARALLEL WITH EACH OTHER. SUBMITTER STATED A STRONGER MOUNTING MIGOct 29, 1996 · N2688D · Cessna 414ASDR 96ZZZX5645Cable Assy · frayedA SPLIT FLAP CONDITION OCCURRED ON FINAL APPROACH. AFTER CHECKING SYSTEM, ALL CABLES WERE REMOVED FROM AIRCRAFT FOR REPLACEMENT. INTERNAL CABLE WEAR WAS FOUND AT ALL PULLEY LOCATIONS. HIGH CABLE SYSTEM TENSION IS REQUIRED ON THESE CABLES. SUBMITTER SUGGESTOct 29, 1996 · N2688D · Cessna 414ASDR 96ZZZX5644Cable Assy · brokeA SPLIT FLAP CONDITION OCCURRED ON FINAL APPROACH. FLAP EXTEND CABLE WAS FOUND BROKEN ON INBOARD SIDE OF PRE-SELECT CONTROL ATTACH CLAMP. PRE-SELECT CABLE IS NOT RUNNING PARALLEL TO FLAP CABLE. THIS EXTEND CABLE WAS ALSO FOUND TO HAVE INTERNAL WEAR AT PULLEOct 29, 1996 · N2688D · Cessna 414ASDR CA961104016Computer · alignment fault(CAN) ON APPROACH, FLIGHT CONTROL FLAPS LOCKED ALIGNMENT FAULT APPEARED ON E.C.A.M. WHEN FLAP MOVED TO #2 POSITION. CORRECTIVE ACTION INVOLVED RESETING SLAT/FLAP COMPUTER #1 AND #2. ALSO FLAP WING TIP BRAKE RESET AND TEST CARRIED OUT. FLAP OPERATION AND INDICAOct 28, 1996 · Airbus A320211SDR P5CA9600852Rod Ends · lack of lubeFLAPS ARE EXTREMELY SLOW AND HARD TO MOVE, HANDLE IS SPRINGY AT FLAPS 25, 30 AND FULL UP. RIG CHECKED FLAP CONTROL CABLES, COMPLETED TENSION CHECK, FOUND ROD ENDS BINDING ON FLAP POWER PACKAGE, CLEANED AND LUBRICATED ROD ENDS AND ALL VISABLE CABLE RUNS AND POct 27, 1996 · N852FT · Boeing 747122SDR SCNA96319Connector · dirtySPLIT FLAP INDICATION, INBOARD FLAP INDICATED 3 DEGREES. AIRCRAFT DIVERTED TO TULSA FOR MAINTENANCE. OPERATED BYPASS ACTUATOR DRIVE TO FULL UP, CLEANED AND RECONNECTED BYPASS CANNON PLUG, OPERATED SYSTEM IN BOTH NORMAL AND ALTERNATE THREE TIMES EACH. NO BINOct 25, 1996 · N281SC · Boeing 727282
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