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 99UAL900069Valve · failedLOST A SYSTEM HYDRAULIC QUANTITY AND PRESSURE AFTER GEAR EXTENSION AND DURING FLAP OPERATION. *S/D* FOUND THE FLAP FLOW LIMITING VALVE LEAKING. THIS UNIT WAS LEAKING BECAUSE THE BODY SEPARATED INTERNALLY. THE UNIT CONTAINS A FLOW RING WHICH FAILED DUE TO FATIGFeb 2, 1999 · N990UA · Boeing 737291SDR DHL99721001Switch · failedNR 6 L/E KRUEGER FLAP FAILED TO RETRACT AFTER TAKEOFF. COMPLETED ABNORMAL PROCEDURES, RETURNED TO SJU FOR LANDING. REMOVED ANF, REPLACED SWITCH ON NR 6 KRUEGER FLAP.Jan 27, 1999 · N721DH · Boeing 727228SDR 99ZZZX1856Sleeve · crackedSLEEVE IS CRACKED NEAR OIL PASSAGE CUT-OUT IN SLEEVE SEAT. COULD HAVE HAPPENED DURING INSTALLATION OF SLEEVE INTO THE HOUSING AT MANUFACTURE.Jan 25, 1999SDR K3HA990002Connector · dirtyTHE NR 4 LEADING EDGE FLAP WOULD NOT RETRACT ON CLIMB-OUT. RECYCLED SEVERAL TIMES, RETURNED TO EWR. CLEANED CANNON PLUGS AND CHECKED SECURITY AT SWITCH, PERFORMED FLAP OPERATED SEVERAL TIMES, LIGHT OPS CHECKS NORMAL REF MM 27-82-1.Jan 14, 1999 · N8880Z · Boeing 727225SDR 99FDEA00007Retract Mech · malfunctioned99-0007 - DURING FLAP RETRACT, NR 6 SLAT DID NOT FULLY RETRACT. UNABLE TO CORRECT WITH RED TAB PROC. INSPECT SLAT, NO DEFECT FOUND. RAN NR 1 ENG WITH HYD PRESS, EXTEND AND RETRACT ALL LEAD EDGE DEVICE WITH NO FAULT OR PROBLEM FND. MOCC NOTIFIED, AC OK FOR Jan 9, 1999 · N136FE · Boeing 72725CSDR UPS99828521Bracket · crackedINSPECTION TYPE-C3, LT WING NR 5 SPOILER, I/B OPERATING CRANK MOUNT BRACKET, LWR ARM IS CRACKED. REMOVED AND REPLACED MOUNT BRACKET IAW SRM 51-1-20D AND 51-3-0.Jan 3, 1999 · N713UP · Doug DC871FSDR ARWA981220Torque Tube · brokenATL - FLT 509 - ON PRE-FLIGHT, FOUND NR 1 SLOT NOT FULLY CLOSED. REMOVED AND REPLACED OUTBOARD SLOT TORQUE TUBE IAW 27-80-2, OPERATION CHECK GOOD. (M)Dec 29, 1998 · N661AV · Doug DC863FSDR AALA99025Bracket · crackedTUL - NR 7 SLAT ACT OUTBOARD MOUNT BRACKET CRACKED. REMOVED NR 7 SLAT ACT OUTBOARD BEARING PLATE AND INSTALLED REPAIR STRAP PER AARD 57-50-03-02 PAGES 1-3. (M)Dec 11, 1998 · N897AA · Boeing 727223SDR CA981216020Slat · stiff(CAN) ON APPROACH, SLAT FAULT MESSAGE, SLATS JAMMED, RECYCLED, CARRIED OUT PROCEDURE FOR LANDING WITH SLATS JAMMED AT '0' POSITION. REPLACED LEFT HAND WING TIP BRAKE.Nov 23, 1998 · Airbus A320211SDR USAASB98309Mechanism · out of adjustBWI - FLT 2608 - FLIGHT WAS CLEARED FOR APPROACH AT BWI FOR RUNWAY 28. AS CAPTAIN SELECTED FLAPS 1, THE LEADING EDGE TRANSIT LIGHT AND THE NR 4 SLAT TRANSIT LIGHT ON THE OVERHEAD PANEL ILLUMINATED. CREW RECYCLED THE FLAPS AND DISCONTINUED THE APPROACH. CREWNov 22, 1998 · N282AU · Boeing 7372B7SDR SWAA982739Retract Mech · malfunctionedAIR TURNBACK DUE TO NR 4 SLAT WOULD NOT RETRACT AFTER TAKEOFF. AIRCRAFT MADE AN UNEVENTFUL LANDING. REMOVED AND REPLACED NR 4 SLAT ACTUATOR, OPS CK AND LEAK CHECK GOOD PER BOEING MM.Nov 4, 1998 · Boeing 7372H4SDR AU981429Torque Tube · damaged(AUS) LEFT LEADING EDGE SLAT TORQUE TUBE LOCATED BETWEEN NR 4 AND NR 5 SLATS DAMAGED DUE TO ABRASION WITH THE PRE-COOLER TEMPERATURE BULB P/N 56133A WIRING.Oct 31, 1998 · Boeing 757200SDR DHL98742004Retract Mech · malfunctionedAFTER LIGHTNING STRIKE, NR 4 LED FLAP EXTENDED. PERFORMED LIGHTENING STRIKE INSPECTION, NO DEFECTS NOTED, OPS CHECK GOOD. NR 4 LED FLAP SWITCH OPS CHECK GOOD.Oct 19, 1998 · N742DH · Boeing 727225SDR F3LA98173Bolt · missingUPON ARRIVAL, FLIGHT CREW REPORTED NR 2 LEADING EDGE FLAP INDICATOR SHOWED FLAP IN EXTENDED MODE AT ALL SETTINGS. MAINTENANCE INSTALLED MISSING BOLT AND NUT ASSY AT ATTACH FITTING FOR FLAP AND TAIL GATE ASSY AND CHECKED OK. (M)Oct 12, 1998 · N307FL · Boeing 73736QSDR AALA990024Bracket · crackedTUL - NR 7 SLAT ACT INBOARD MOUNT BRACKET CRACKED. REMOVED NR 7 SLAT ACT INBOARD BEARING PLATE. INSTALLED REPAIR STRAP PER AARD 57-50-03-2. (M)Oct 12, 1998 · N897AA · Boeing 727223SDR AU981333Pulley · corroded(AUS) WING SLAT PULLEYS LOCATED AT THE REAR OF THE WING WERE SEVERELY CORRODED. PULLEYS ARE MANUFACTURED FROM ALUMINIUM ALLOY.Oct 8, 1998 · Sctaiv PIONEERSER3SDR SWAA982162Retract Mech · malfunctionedAIR TURNBACK DUE TO AFTER TAKEOFF WITH FLAPS 5 DEGREES, NR 4 SLAT VISUALLY NOT ALIGNED WITH OTHER SLATS. RETURNED TO DAL, MADE AN UNVENTFUL LANDING. LEFT FLAPS AT POSITION 5 DEGREES. REMOVED AND REPLACED SLAT ACTUATOR (NR4) OPS AND LK CHECKS OK PER BOEING MSep 18, 1998 · Boeing 7372H4SDR SWAA982071Retract Mech · failedAIR TURNBACK TO PHX, DUE TO NR 4 SLAT FAILED TO RETRACT AFTER TAKEOFF. AIRCRAFT MADE AN UNEVENTFUL LANDING (LGPAGE 99546). REMOVED AND REPLACED FLAP/SLAT MODULE AND FULL EXT SENSOR AS REQ PER BOEING MM. OPS CHECK GOOD.Sep 10, 1998 · N507SW · Boeing 7375H4SDR AALA981677Switch · failedORD - FLT 1224 - EN ROUTE SAN-ORD - ON APPROACH SLAT DISAGREE LIGHT ILLUMINATED WHEN FLAPS EXTENDED TO 15 DEGREES. CREW DECLARED AN EMERGENCY. LIGHT EXTINGUISHED AFTER APPROX 30 MINUTES. LANDED ORD WITHOUT INCIDENT. REPLACED FLAPS/SLAT HANDLE SWITCH. SYSTSep 8, 1998 · N565AA · Doug DC983SDR 98ZZZM784Brake · malfunctionedUPON LOWER FLAPS TO 4 DEGREES, DURING DESCENT, SLATS STOPPED AT APPROX 15 DEGREES WITH FLAPS/SLATS BRAKE LIGHT ILLUMINATED. PERFORMED EMERGENCY PROCEDURES PER AOM. FOUND SLAT ASSYMETRY BRAKE TRIPPED, AND UPPER SCREW JACKS FOUND DRY. BRAKE ASSY RESET AND SCRAug 17, 1998 · N193AT · Lkheed 10113851SDR 9809939938T-Duct · bindingSLAT DISAGREEMENT LIGHT ILLUMINATED WITH LEFT AIRCRAFT ROLL DURING APPROACH INTO GFK. CAPTAIN DECLARED A YELLOW EMERGENCY AND AIRCRAFT WAS LANDED SAFELY USING FLAPS ONLY. MAINTENANCE REPLACED THE RIGHT WING ANTI-ICE TELESCOPE DUCT. OPERATIONAL CHECK NORMAL.Aug 16, 1998 · N1798U · Doug DC931SDR VTZA98259T/E Flap · failedRDU/IAD - FLT 6741 - DURING LANDING AT 0650 HRS ON 8-12-98, ACFT MADE A SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS FLAPS FAILED ON FINAL. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND FOUND NO DEFECTS AND COULD NOT DUPLICATEAug 12, 1998 · N626BR · Cndair CL6002B19SDR EISA98203Bearing · failedON DEPARTURE, RETRACTING FLAPS FROM 2 DEGREES TO 0 DEGREES INBOARD FLAP GAUGE REMAINED AT 2 DEGREES. LEADING EDGE FLAPS INDICATOR LIGHTS DID NOT INDICATE AN AMBER LIGHT NOR DID FLIGHT ENGINEER PANEL SHOW (FLAP POSITION INDICATOR) LEADING EDGE FLAPS OR SLATS EAug 8, 1998 · N311NE · Boeing 727223SDR DHL9872114DAngle · crackedAT D-CHECK, LEFT WING NR 3 L/E SLAT, I/B UPSTOP I/B ATTACH ANGLE CRACKED IN WING L/E. REPLACED UPSTOP ATTACH ANGLE PER SRM 51-40-3, 7 X 4. N/R 1305.Jul 21, 1998 · N721DH · Boeing 727228SDR SWAA981408Retract Mech · out of adjustNR 4 LEADING EDGE SLAT SHOWED UNSAFE INFLIGHT. COULD SEE NR 4 SLAT DROOPING ABOUT ONE INCH. AIRCRAFT MADE AN UNEVENTFUL LANDING. INSPECTED AND PERFORMED OPERATIONAL CHECK ON FLAP AND LEADING EDGE DEVICES SYSTEM PER BOEING MM. OPS CH OK.Jul 17, 1998 · N670SW · Boeing 7373G7SDR 9809779860Telescoping Duct · lack of lubeDURING APPROACH INTO RDU, SLAT DISAGREEMENT LIGHT ILLUMINATED WITH NO BLUE SLAT EXTEND LIGHT. AIRCRAFT ROLLED TO THE RIGHT AND FLIGHT ATTENDANT OBSERVED NO SLAT EXTENSION ON LEFT WING. CAPTAIN DECLARED A YELLOW EMERGENCY AND REQUESTED EQUIPMENT ON STANDBY ASJul 6, 1998 · N769NC · Doug DC951SDR 98FDEA00417Switch · failed98-0160 STA-IND: AFTER TAKEOFF AND INITIAL CLEAN UP, PASSING THROUGH 10,000 FEET FROM THE ACCELERATION TO CLIMB SPEED, THE FRONT AMBER LEADING EDGE WARNING CAME ON. PER POSITION INDICATION SHOWED THE NR 4 LEADING EDGE DEVICE AS CONSTANTLY YELLOW IN TRANSIT. Jun 26, 1998 · N270FE · Boeing 727233SDR EISA98137Slat · malfunctionedDURING FLAP ROTATION AFTER TAKEOFF FROM DFW, NR 5 SLAT FAILED TO RETRACT. RECYCLED FLAPS, DID NOT RETRACT, RETURNED TO DFW FOR LANDING. GENERATED FROM PILOT REPORT. REMOVED NR 5 SLAT AND INSPECTED SLAT AND BEARINGS AND ALL ATTACHED FITTINGS. NO DEFECTS. (Jun 19, 1998 · N316NE · Boeing 727223SDR 98UAL900278Switch · failedRIGHT WING NR 4 LEADING EDGE FLAP DID NOT EXTEND. *S/D* REPLACED NR 4 LEADING EDGE FLAP POSITION SWITCH. SYSTEM OPS CHECKS OK.Jun 18, 1998 · N7277U · Boeing 727222SDR 9809509972T-Duct · lack of lubeSLAT DISAGREEMENT LIGHT ILLUMINATED ACCOMPANIED BY AIRCRAFT ROLL ON SLAT EXTENSION DURING APPROACH INTO JAN. FLIGHT CREW DECLARED AN EMERGENCY AND THE AIRCRAFT LANDED SAFELY USING FLAPS ONLY. MAINTENANCE FOUND THE RIGHT WING ANTI-ICE T DUCT BINDING. LUBRICAJun 9, 1998 · N9336 · Doug DC931SDR CA980602032Pcu · cracked(CAN) ON CLIMB, B-SYSTEM FAILED WITH LOSS OF FLUID AND PRESSURE. FLIGHT WAS TURNED BACK. DURING APPROACH WITH FLAPS 15 AND GEAR SELECTED DOWN, THE AIRCRAFT CONTINUED TO ROLL. CREW USED A COMBINATION OF AILERON, RUDDER AND DIFFERENTIAL THRUST TO CONTINUE TO May 26, 1998 · Boeing 737210CSDR MZZA98159Switch · malfunctionedFLT 956 - GUM - AFTER AIRBORNE, CREW CALLED TO ADVISED AIR RETURN DUE TO NR 1 LEADING EDGE FLAPS PROBLEM. NR 1 LE FLAPS DISAGREEMENT WITH FLAP HANDLE POSITION, RED INTRANSIT LIGHT STAYS ON. S/O PANEL SHOWS NR 1 LE FLAPS SHOWS DISAGREEMENT WITH FLAP HANDLE. May 22, 1998 · N69742 · Boeing 727224SDR P2EA98106Mechanism · out of adjustMCI - FLT 703 - NR 1 LEADING EDGE SLAT NOT EXTENDED WITH FLAPS AT 1 DEGREE. ADJUSTED NR 1 SLAT MID EXTEND DETENT ARMS PER MM 27-81-21. LEADING EDGE SLATS CHECK NORMAL PER MM 27-81-0. (M)May 11, 1998 · N620PC · Boeing 737244SDR CA980608032Slat · inoperative(CAN) SLATS DID NOT EXTEND WHEN SELECTED. MAINTENANCE ACTION INVOLVED CHANGING WING TIP BRAKE.May 3, 1998 · Airbus A320211SDR DL72S980903Bracket · cracked1 INCH CRACK NR 8 SLAT INBD MOUNT BRKT. REPAIRED PER M/M 57-20-21 P. 812.Apr 27, 1998 · N8891Z · Boeing 727225SDR UPS98226747Torque Tube · crackedINSPECTION TYPE:D, CRACK CONFIRMED IN NR 2 KRUEGER FLAP TORQUE TUBE STRUCTURE. REPLACED NR 2 KREUGER FLAP ASSY IAW MM 27-81-01.Apr 22, 1998 · N902UP · Boeing 72751CSDR 9807139906Bracket · brokenDURING APPROACH INTO DTW, SLATS WOULD NOT EXTEND AND AIRCRAFT ROLLED TO THE RIGHT. CREW DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NR 1 SLAT INBOARD IDLER PULLEY BRACKET BROKEN LOOSE FROM FORWARD SPAR BRACKET. AIRCRAFT WASApr 21, 1998 · N956N · Doug DC931SDR 9806009854Duct · inoperativeDURING DESCENT AND SLAT EXTENSION, THE SLAT EXTEND BLUE INDICATION LIGHT DID NOT ILLUMINATE. THE FLIGHT CREW CYCLED THE SLATS, PERFORMED COM PROCEDURES, CONTACTED MAINTENANCE CONTROL, DECLARED AN EMERGENCY, AND LANDED AT MEM WITHOUT INCIDENT. MAINTENANCE REPApr 3, 1998 · N763NC · Doug DC951SDR AU980461Controller · misrigged(AUS) DURING AFTER-FLIGHT INSPECTION, THE NR 15 KRUEGER FLAP WAS FOUND SEVERELY DAMAGED WITH SURFACE AND STRUCTURE TORN APART. THE LEADING EDGE FLAP TORQUE TUBE BETWEEN THE OFFSET GEARBOX AND THE NO 15 FLAP OUTBOARD ROTARY ACTUATOR WAS FOUND TO HAVE THE OUTBOApr 2, 1998 · Boeing 747312SDR UPS98826425Fitting · crackedINSPECTION TYPE-C, RT O/B SLOT TORQUE TUBE I/B END FITTING IS CRACKED IN RADIUS. REMOVED AND REPLACED FITTING IAW M/M 27-80-05.Mar 28, 1998 · N867UP · Doug DC873FSDR P5CA9800744Flap Drive · inoperativeNR 2 LT LEADING EDGE FLAP SEGMENT WILL NOT RETRACT PNEUMATICALLY OR ELECTRICALLY. REMOVED AND REPLACED NR 2 LT LEADING EDGE FLAP DRIVE AND OPS CHECK NORMAL PER MM 72-81-07.Mar 28, 1998 · N888KH · Boeing 747249FSDR 9804489860Valve · inoperativeDURING DESCENT, THE SLAT DISAGREEMENT INDICATION ILLUMINATED WHEN LEADING EDGE SLAT DE-VICES WERE EXTENDED. FLIGHT CREW FOLLOWED COM PROCEDURES, DECLARED EMERGENCY AND LANDED AT DTW WITHOUT INCIDENT. MAINTENANCE REPLACED THE SLAT CONTROL VALVE, OPERATIONAL CMar 17, 1998 · N769NC · Doug DC951SDR EISA98058Connector · looseAFTER TAKEOFF OUT OF MIA, NR 2 SLAT LEADING EDGE DEVICE WOULD NTO RETRACT. FOLLOWED EMERGENCY PROCEDURES PER AOM. PILOT DID AIR TURN BACK TO MAI. FOUND CANNON PLUG OFF OF NR 2 SLAT ACTUATOR, CLEANED AND RECONNECTED CANNON PLUG. OPS CHECK OK PER MM 27-81-0.Mar 11, 1998 · N315NE · Boeing 727223SDR 9803326716Flaps · vibratingDURING CLIMB, THE AIRCRAFT EXPERIENCED VIBRATIONS AND THE NR 1 LEADING EDGE FLAP NEEDED TO BE RAISED ELECTRICALLY. AIRCRAFT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 LEADING EDGE FLAP POWER DRIVE UNIT. OPERATIONAL CHECK GOOD. SPECIFIC Feb 23, 1998 · N616US · Boeing 747251FSDR 9803309760Valve · malfunctionedSLAT DISAGREEMENT AND BLUE EXTEND LIGHTS REMAINED ON AFTER SLATS WERE RETRACTED. FLAP/SLAT HANDLE WAS DIFFICULT TO MOVE FROM ZERO TO RETRACT POSITION. FLIGHT WAS RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED SLAT CONTROL VALVE. OPERATIOFeb 23, 1998 · N750NW · Doug DC941SDR ARWA980206Comparator · inoperativeIN APPROACH, LEADING EDGE FLAPS LOCK AT ZERO DEGREE POSITION. REMOVED AND REPLACED FLAPS ASYMMETRY COMPARATOR, OPS CHECKED NORMAL. FLAPS AND SLATS IAW MM 27-51-0.Feb 18, 1998 · N306GB · Lkheed 1011385115SDR 9802939307Pulley · brokenDURING CLIMB-OUT, SLAT DISAGREE INDICATION LIGHT ILLUMINATED. FLIGHT DIVERTED TO LAX AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED CABLE RUN 2088 IN WHEEL WELL AREA AND A BROKEN PULLEY. OPERATIONAL CHECK OK.Feb 17, 1998 · N309RC · Doug DC982SDR F3LA98003Bolt · missingSEA - FLT 640 - AIR TURN BACK. FLIGHT CREW REPORTED LEADING EDGE FLAPS/SLATS WOULD NOT FULLY RETRACT WHEN TRAILING EDGE FLAPS SELECTED TO '0' DEGREES. MAINTENANCE FOUND BOLT (P/N NAS1104-8), NUT (P/N NAS6794W), AND WASHER (P/N 960D416) MISSING FROM THE LEADIFeb 15, 1998 · N307FL · Boeing 73736QSDR 98ZZZX844Valve Body · crackedHAD SEVERAL INSTANCES WHERE FLIGHT CONTROL VALVE BODY WAS CRACKED. CRACK IS LOCATED IN THREAD RELIEF AREA.Feb 11, 1998 · Doug DC10*SDR 98ZZZX843Valve Body · crackedFLIGHT CONTROL BYPASS VALVE HAS HAD SEVERAL INSTANCES WHERE THE VALVE BODY HAS BEEN CRACKED. VALVE CRACKED IN RADIUS BETWEEN INSIDE DIAMETER AND BOTTOM OF BODY.Feb 11, 1998 · Doug DC10*
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