JASC 2780

Service difficulty reports · 2,160

Reports filed under 2780 · Leading Edge Slat 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 = '2780'
  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 CALA9600925Slat Handle · bindingTHE SLATS WOULD NOT RETRACT AFTER TAKEOFF FROM DEN. THE SLAT HANDLE WOULD NOT GO INTO RETRACTED DETENT PAST ZERO DEGREE FLAP DETENT. RECYCLING WAS OF NO HELP. THE AIRCRAFT WAS RETURNED TO DEN WHERE IT LANDED WITHOUT INCIDENT. THE FLAP/SLAT HANDLE WAS LUBRIJun 29, 1996 · N83870 · Doug DC982SDR 96UAL900479Power Drive Unit · out of rigRETURNED TO IAD UNDER AMBER ALERT DUE TO LEADING EDGE SLAT FAILED TO RETRACT. *S/D* THE POWER DRIVE UNIT AND M604 ROTARY VARIABLE DIFFERENTIAL TRANSDUCER WAS MISRIGGED. REPLACED ALL PROXIMITY SWITCH ELECTRONIC UNIT CARDS. ADJUSTED M604 ROTARY VARIABLE DIFFJun 24, 1996 · N608UA · Boeing 767222SDR 96UAL900474Rvdt · failedAIRCRAFT RETURNED TO IAD DUE TO LEADING EDGE SLAT INDICATION. *S/D* INDICATION WAS CAUSED BY FLAP SLAT ELECTRONIC UNIT BALL FAULTING M548 OUTBOARD SLAT ROTARY VARIABLE DIFFERENTIAL TRANSFORMER. REPLACED M548 ROTARY VARIABLE DIFFERENTIAL TRANSFORMER PER MM 2Jun 24, 1996 · N608UA · Boeing 767222SDR CA960723544Electronic Unit · malfunction(CAN) ON APPROACH LEADING EDGE FLAPS DISAGREE LIGHT ON. FLAP ZERO DEGREE LANDING. REPLACED FLAP SLAT ELECTRONIC UNIT.Jun 13, 1996 · Boeing 767209SDR AALA960918Bracket · brokenTUL - FOUND PULLEY BRACKET IS BROKEN IN TWO PLACES, UPPER HORIZONTAL LEG AND AFT VERTICAL LEG. REPLACED PULLEY BRACKET. (M)Jun 12, 1996 · N215AA · Doug DC982SDR 96UAL900392Switch · wornINFLIGHT EXTENSION OF FLAPS TO FLAPS 5, LEADING EDGE SLAT NUMBER 4 SLOW TO EXTEND. *S/D* REPLACED NR 4 SLAT EXTEND SWITCH DUE TO INTERMITTENT OPERATION.May 31, 1996 · N7446U · Boeing 727222SDR 9612209874Alignment Blocks · out of positionDURING DESCENT INTO GRR, SLAT DISAGREEMENT LIGHT ILLUMINATED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. FOUND RIGHT LEADING EDGE SLAT T-DUCT ALIGNMENT BLOCKS BINDING ON TELESCOPIC TUBE. REPOSITIONED UPPER AND LOWER BLOCKS AND CYCLED SLATS NUMEROUSMay 29, 1996 · N783NC · Doug DC951SDR CA960723522Slat · inoperative(CAN) PRIOR TO ARRIVAL AND ON SELECTION OF FLAPS 1, ECAM MESSAGE DISPLAYED FLAP/SLATS LOCKED. CFDS FAULTS SLATS #1 & #2 SYSTEM JAM CHECK SET MECHANICAL DRIVE FOUND TORQUE LIMITERS POPPED ON #2 RIGHT SLAT DRIVES. MAINTENANCE CARRIED OUT DETAILED INSPECTION ON TMay 17, 1996 · Airbus A320211SDR 96UAL900359Circuit Breaker · trippedRETURNED TO BLOCKS, DUE TO A FLAP DISAGREEMENT PROBLEM. *S/D* RESET 'FLAPS ELEC MOT PWR' CIRCUIT BREAKER (C27301) AND 'SLATS ELEC MOT PWR' CIRCUIT BREAKER (C27300).May 17, 1996 · N771UA · Boeing 777222SDR 96FDEA00949Retract Mech · malfunctionedAFTER T/O, NR 4 L/E FLAP WOULD SHOW INTRANSIT, AMBER LIGHT ON SECOND OFFICER'S PANEL. COMPLIED WITH L/E DEVICE MALFUNCTION DURING FLAP RETRACTION A. NR 4 L/E FLAP W/N RETRACT, RETURNED TO MIA. REMOVED JUMPER FROM NR 4 L/E FLAP SWITCH AND RECONNECTED SWITCH.May 11, 1996 · N218FE · Boeing 727233SDR 96UAL900296Retract Mech · out of adjustAFTER TAKEOFF, NOTICED LOUD SUSTAINED VIBRATION IN CABIN FROM LEADING EDGE OF WING AFT INTO MID CABIN AREA. ALSO, FELT IN FLOOR OF COCKPIT. VIBRATION REMAINS AT ALL POWER SETTINGS. AIRCRAFT RETURNED TO FIELD. *S/D* ADJUSTED NR 7 SLAT PER AMM 27-81-00.Apr 29, 1996 · N769UA · Boeing 777222SDR 9609413202Brake Actuator · malfunctionedDURING APPROACH AFTER SELECTING FLAPS ONE POSITION, RECEIVED F/CTL SLATS LOCKED MESSAGE. THE WING TIP BRAKE ENGAGED. CREW FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES, DECLARED AN EMERGENCY, AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT WING SLApr 28, 1996 · N302US · Airbus A320211SDR 96FDEA00850Extend Switch · malfunctionedDURING FLAP RETRACTION THE NR 7 SLAT FAILED TO RETRACT. AMBER LIGHT REMAINED ON AT PILOT'S PANEL AND GREEN LIGHT REMAINED ON AT THE SLAT/FLAP INDICATOR PANEL. REPLACED NR 7 SLAT ACTUATOR, DID NOT CURE PROBLEM IAW 727-100 MM PAGE 401 TO 409 CHAP 27-81-32. REApr 25, 1996 · N510FE · Boeing 72725SDR 96ZZZM902Bypass Valve · malfunctionedFLT 707 - STL - DURING DESCENT, TRAILING EDGE OUTBOARD FLAPS WOULD NOT EXTEND. REMOVED AND REPLACED OUTBOARD TRAILING EDGE FLAP BYPASS VALVE, MFG P/N 106788A103. OPERATIONAL CHECK NORMAL.Apr 17, 1996 · N54326 · Boeing 727231SDR CAL960385Nose Link · brokenEWR - FLT 0725 - THE NR 2 LEADING EDGE FLAP TRANSIT LIGHT ON OVERHEAD PANEL AND FORWARD PANEL LEADING EDGE FLAP TRANSIT LIGHT ILLUMINATED WITH THE FLAPS RETRACTED WHILE IN CLIMB. THE AIRCRAFT WAS RETURNED TO EWR. MAINTENANCE FOUND THE NR 2 KRUGER FLAP NOSE LMar 23, 1996 · N12349 · Boeing 7373T0SDR HALA9628Control Cable · brokenHNL - OVERNIGHT CHECK, FOUND NR 1 RIGHT SLAT NOT FULLY EXTENDED, FOUND DEFECTIVE CABLE, NR 2 RIGHT SLAT DAMAGED INBOARD END AND RIGHT WING L/E CAP DAMAGED OUTBOARD OF NR 3 SLAT TRACK. REPAIRED WING L/E CAP AND NR 2 SLAT, REPLACED SLAT CARRIAGE ASSY AND NR 1 SMar 21, 1996 · N709HA · Doug DC951SDR 96ZZZM657Lockout · trippedSTL - DURING APPROACH, LEADING EDGE SLATS WOULD NOT EXTEND. RESET RIGHT SLAT ASYMMETRY LOCKOUT. OPERATIONAL CHECK NORMAL. (M)Mar 9, 1996 · N31031 · Lkheed 1011385115SDR 96FDEA00461Position Switch · out of adjustON DEPARTURE WHEN FLAPS RETRACTED TO 2 DEGREES, THE NR 2 LEADING EDGE DEVICE REMAINED EXTENDED. WHEN FLAPS WERE RETURNED TO 5 DEGREES THE LEADING EDGE DEVICES WERE NORMAL. C/A: FOUND NR 2 LEADING EDGE FLAP POSITION SWITCH OUT OF ADJUSTMENT. ADJUSTED NR 2 FMar 8, 1996 · N271FE · Boeing 727233SDR GAIA9604Rib · crackedDURING NR 7 SLAT ACTUATOR REPLACEMENT AT MSP, MECHANIC FOUND OUTBOARD SLAT ACTUATOR TRUNNION SUPPORT RIB CRACKED THROUGH LOWER BOLT HOLE. SUPPORT RIB REPLACED PER SB 727-57-130R2, ACTUATOR INSTALLED, RIG AND LEAK CHECKED SATISFACTORY. AGING AIRCRAFT MOD PER Mar 4, 1996 · N6833 · Boeing 727223SDR 96FDEA00349Position Switch · malfunctionedLEFT I/B LEADING EDGE DEVICE NR 3 WOULD NOT RETRACT AFTER TAKEOFF. RECYCLED TO 5 DEGREES AND BACK TO 2 DEGREES WITH NO RETRACTION. REPLACED NR 3 KREUGER FLAP POSITION SWITCH PER MM 27-82-1, OPS CHECK GOOD.Feb 28, 1996 · N156FE · Boeing 72725SDR IXKA960005Bolts · looseAT EWR - FLT NR 39 - NR 4 LEADING SLAT LIGHT CAME ON, AIRCRAFT RETURNED TO EWR. FOUND NR 4 LEADING EDGE ACTUATOR REAR MOUNT BOLTS LOOSE, TIGHTENED LOOSE MOUNT BOLTS AND OPS CHECK FLAPS PER MM 27-80. OPS OK. (M)Feb 27, 1996 · N267US · Boeing 727251SDR CA960321511Slats · inoperative(CAN)AFTER TAKEOFF UNABLE TO RETRACT SLATS ALSO SLATS LEVER STIFF. MAINTENANCE ACTION INVOLVED LUBRICATING PEDESTAL MECHANISM AND WHEEL WELL CABLES. SLATS SYSTEM OPERATED SEVERAL TIMES.Feb 26, 1996 · Doug DC932SDR 9604641220Retract Mech · malfunctionedDURING TAKEOFF, THE SLATS WOULD NOT RETRACT. THE FLIGHT DUMPED FUEL AND RETURNED TO LGW. MAINTENANCE RESET THE AUTO SLAT SYSTEM AND OPERATIONAL CHECK OK.Feb 26, 1996 · N220NW · Doug DC1030SDR CA960321502Slats · seized(CAN)PRIOR TO ARRIVAL, UNABLE TO EXTEND LEADING EDGE SLATS, LANDING ACCOMPLISHED WITHOUT SLATS. MAINTENANCE ACTION INVOLVED LUBRICATING SLAT PINIONS AND ROLLERS. SYSTEM CHECK CARRIED OUT.Feb 19, 1996 · Airbus A320211SDR DL72W960348Attach Box · crackedFOUND DURING F-1 LETTER CHECK, .25 INCH CRACK NR 1 L/E FLAP ACTUATOR ATTACH BOX O/B SIDE. REPAIRED PER MM 57-20-21.Feb 15, 1996 · N296WA · Boeing 727247SDR 9603692204Retract Mech · malfunctionedAFTER TAKEOFF DURING FLAP RETRACTION, THE NR 2 LEADING EDGE SLAT WOULD NOT RETRACT. RECYCLED FLAPS TO NO AVAIL. VISUAL INSPECTION AND INDICATION SYSTEM SHOWED NR 2 LEADING EDGE SLAT FULLY EXTENDED. FLIGHT CREW DECLARED A YELLOW EMERGENCY AND JETTISONED 22,0Feb 14, 1996 · N204US · Boeing 727251SDR DL72W960309Angle · crackedA 1.5 INCH CRACK AT NR 1 SLAT ACTUATOR O/B ATTACH ANGLE. REPAIRED PER MM 57 20-21.Feb 9, 1996 · N2809W · Boeing 727247SDR DL72W960308Bracket · crackedFOUND AT LETTER CHECK, NR 6 L/E FLAP ACTUATOR MOUNT BOX CRACKED, I/B SIDE UPPER AND LWR CORNERS. REPAIRED PER MM 57-20-21.Feb 9, 1996 · N2809W · Boeing 727247SDR 96FDEA00196Retract Mech · failedDURING FLAP RETRACTION, L/E DEVICES FAILED TO RETRACT PROPERLY. ARRIVED WITH THE L/E DEVICES AND FLAP HANDLE IN THE 2 DEGREE POSITION AMBER LIGHT WAS STILL ON, NO GREEN LIGHT. CYCLED FLAPS AND OPS CHECK NORMAL.Feb 9, 1996 · N189FE · Boeing 72722SDR 9603431220Actuator · malfunctionedDURING FLAP RETRACTION FROM FLAPS 1, THE OUTBOARD SLATS STUCK IN THE EXTENDED POSITION AND THE SLAT DISAGREE LIGHT ILLUMINATED. AIRCRAFT RETURNED TO SEA. RESET THE AUTO SLAT ACTUATOR AND THE AIRCRAFT RETURNED TO SERVICE. A PRECAUTIONARY CHANGE OF THE PROXIMFeb 9, 1996 · N122NW · Doug DC1030SDR UPS205442Bullnose · corrodedWHILE IN FOR C-CHECK, MAINTENANCE REPORTED CORROSION ON THE L/W NR 3 K-FLAP BULLNOSE CENTER HINGE LOWER ATTACH POINT. REPLACED NR 3 K-FLAP PER MM 27-81-00.Feb 6, 1996 · N931UP · Boeing 72725CSDR 96UAL900095Retract Mech · locked outLEADING EDGE SLAT ASYMMETRY MESSAGE DISPLAYED ON STATUS PANEL OF THE ENGINE INDICATING AND CREW ALERT SYSTEM (EICAS) AND FLAPS LOCKED OUT ELECTRICALLY DURING CRUISE. ASYMMETRY MESSAGE OCCURRED AT 17,000 FEET, 320 IAS, WITH FLAPS UP. USED ALTERNATE FLAPS FOR Feb 6, 1996 · N541UA · Boeing 757222SDR 9603089933Retract Mech · lack of lubeON APPROACH, SLAT DISAGREEMENT LIGHT ILLUMINATED AND ROLL WAS EXPERIENCED. A SUCCESSFUL LANDING WAS ACCOMPLISHED WITH SPLIT FLAP/SLAT HANDLE. CHECKED SLAT RIGGING AND RETRACT/EXTEND SWITCHES, ALL CHECKED GOOD. LUBED ANTI-ICE TELESCOPING DUCTS.Feb 2, 1996 · N1334U · Doug DC931SDR 9602849971Retract Mech · malfunctionedDURING APPROACH, SLAT ASYMMETRY OCCURRED AND AIRCRAFT ROLLED LEFT. SLAT DISAGREEMENT LIGHT ILLUMINATED WITH NO BLUE SLAT EXTEND LIGHT. CAPTAIN DECLARED A YELLOW EMERGENCY AND EMERGENCY EQUIPMENT WAS CALLED OUT AS A PRECAUTION. AIRCRAFT LANDED WITHOUT INCIDEFeb 2, 1996 · N93359 · Doug DC931SDR CA960320534Actuator · inoperative(CAN)ON INITIAL FLAP SELECTION DURING APPROACH, ECAM MESSAGE SLATS INOPERATIVE. MAINTENANCE INVESTIGATION FOUND SLAT ROTARY ACTUATOR 6095CM TRIPPED. SLAT ROTARY ACTUATOR 6095CM REPLACED, S.F.C.C. #1 AND #2TESTED AND FLAP/SLAT OPERATIONALLY CHECKED.Jan 31, 1996 · Airbus A320211SDR DL72L960229Bracket · crackedNR 1 SLAT ACTUATOR I/B BRACKET BROKEN OUT AROUND FWD ATTACH BOLT. FOUND DURING C-1 LTR CK TPAMM. REPAIRED PER M/M 57-20-21.Jan 29, 1996 · N508DA · Boeing 727232SDR 96UAL900071Fseu · malfunctionedON APPROACH, EICAS MESSAGE DISPLAYED, LEADING EDGE ASYMMETRY MESSAGE AND LEADING EDGE WARNING LIGHT. FLAPS STUCK AT 25 DEGREES AND NO ADVERSE CONTROL WHEEL FORCES - LANDED WITH FLAPS AT 25 DEGREES. REPLACED NR 1 FSEU AND SWITCHES S10338 AND S10340 PER MM. Jan 29, 1996 · N527UA · Boeing 757222SDR 96UAL900068Retract Mech · malfunctionedUNABLE TO MOVE FLAPS NORMALLY, LEADING EDGE LIGHT ON AND FLAP ASYMMETRY MESSAGE. FLAPS RECYCLED IN ALT OK, BUT STILL LOCKED OUT IN NORMAL. BITE CHECK ON NR 1 FSEU SHOWS SLAT LOSS.Jan 29, 1996 · N516UA · Boeing 757222SDR 96ZZZM209Retract Mech · frozenSTL - DURING LANDING THE LEADING EDGE SLATS WERE FROZEN AND WOULD NOT DEPLOY. LEADING EDGE SLAT ACTUATORS AND JACKSCREWS WERE THAWED, LUBRICATED AND SERVICED. LEADING EDGE SLATS WERE CYCLED NUMEROUS TIMES, OPERATION NORMAL.Jan 27, 1996 · N31019 · Lkheed 10113851SDR AU960100Screwjack · worn(AUS) LH SLAT NO3 SCREWJACK EXCESSIVELY WORN - SUSPECT SCREWJACK WAS WORN WHEN FITTED - FOUND DURING INSPECTION IAW AB3-27-2AJan 25, 1996 · Airbus A300B4203SDR 9601702291Retract Mech · out of adjustDURING TAKEOFF ROLL, TAKEOFF WARNING HORN SOUNDED. TAKEOFF WAS ABORTED WITHOUT INCIDENT. RESET FLAP TRIM. SECOND TAKEOFF WAS SUCCESSFUL. REPLACED THE LEADING EDGE SWITCHES S311 AND S312 AND RIGGED FOLLOW-UP DRUM. PERFORMED TAKEOFF WARNING TEST. CHECKED OJan 20, 1996 · N291US · Boeing 727251SDR DL72S960152Bracket · crackedFROM HMV ATL, NR 5 KRUEGER FLAP ACTUATOR ATTACH BRACKET CRACKED. INSTALLED REPAIR PER MM 57-20-21 PG 811.Jan 19, 1996 · N517DA · Boeing 727232SDR CAL960042Drive Mechanism · brokenFLT NR 1787 - IAH - LEFT LEADING EDGE SLAT WOULD NOT RETRACT AFTER LANDING AT IAH. NO IN FLIGHT ABNORMALITIES WERE OBSERVED. MAINTENANCE FOUND THE LEFT OUTBOARD SLAT DRIVE MECHANISM BROKEN. THE SLAT DRIVE MECHANISM WAS REMOVED AND REPLACED IAW MM 27-80-4. Jan 14, 1996 · N15525 · Doug DC932SDR 96FDEA00049Module · failedNR 1 LED SLAT, LT WING DID NOT RETRACT WHILE GOING FROM FLAP 5 TO FLAP 2. AMBER LIGHT ON FRONT PANEL WAS ON AND S/O PANEL IND AMBER, INTRANSIT RED TABS COMPLETED WITH SAME IND. ALSO, WING ANTI-ICE ATTEMPTED. NR 1 SLAT FUNCTIONS NORMAL, POSITION SWITCH INOPEJan 13, 1996 · N467FE · Boeing 727225SDR DL72S960081Bracket · crackedSETUP TO INSPECT THE ATTACH BRACKET FOR THE NR 2 LEADING EDGE FLAP ACTUATOR FOR CONDITION. FOUND ATTACH BRACKET CRACKED AND REPAIRED PER MM 27-81-22.Jan 12, 1996 · N525DA · Boeing 727232SDR CA960320513Computer · locked fault(CAN)ON APPROACH SLAT/FLAP LOCKED FAULT INDICATION. MAINTENANCE CHANGED #1 SLAT/FLAP CONTROL COMPUTER (S.F.C.C.) AND INTERROGATED CENTRAL FAULT DISPLAY SYSTEM (C.F.D.S.).Jan 12, 1996 · Airbus A320211SDR DHLA720007Switch · failedDURING CLIMB, FLAPS UP LEADING EDGE LIGHT INTERMITTENTLY ON. DURING FLAP EXTENSION, NR 2 L/E FLAP DID NOT LOCK UP. YELLOW AND GREEN L/E FLAP LIGHTS ON FORWARD PANEL WERE ALTERNATING. CHRISTMAS TREE INDICATED INTERMITTENT YELLOW LIGHT FOR NR 2 L/E FLAP. AT Jan 9, 1996 · N720DH · Boeing 727228SDR 9521496717Pdu · failedHKG-NRT - AFTER TAKEOFF, THE NR 4 LEADING EDGE FLAP FAILED TO RETRACT IN NORMAL AND ALTERNATE. CREW FOLLOWED COCKPIT OPERATING MANUAL, DUMPED 50,000 LBS OF FUEL AND DIVERTED FLIGHT TO TPE. REPLACED NR 4 RT L/E PDU AND OPERATIONAL CHECK WAS NORMAL.Dec 24, 1995 · N617US · Boeing 747251FSDR 95UAL900319Retract Mech · malfunctionedNR 5 L.E. FLAP WOULD NOT RETRACT WHEN FLAPS RETRACTED FROM 2 DEGREES TO ZERO DEGREES. RETURNED TO ORD.Dec 15, 1995 · N7455U · Boeing 727222SDR DL72E954634Act Bracket · crackedNR 6 L/E FLAP ACTUATOR BRACKET CRACKED OUTBOARD END. FOUND ON D-1 LTR CK TPA MM. REPAIRED PER 57-20-21.Dec 6, 1995 · N831WA · Boeing 727247
Back to JASC 2780