JASC 2781

Service difficulty reports · 1,399

Reports filed under 2781 · Leading Edge Slat Position Indicating 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 = '2781'
  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 ARWA981018Comparator · dirtyAIR TURNBACK, LE TRANS LIGHT ON AFTER SLAT RETRACTION. FLAPS RECYCLED, LE TRANS LIGHT REMAINED ON. LIGHT WENT OUT WHEN FLAPS WERE RETRACTED AFTER LANDING. CLEANED AND RESEATED THE SLAT ASYMMETRY COMPARATOR. ALSO, CHECKED BOTH SLAT ASYMMETRY BRAKE TRANSDUCEOct 16, 1998 · N307GB · Lkheed 10113851SDR 98ZZZM797Switch · failedAFTER TAKEOFF FROM ORB WHILE RETRACTING FLAPS FROM 5 DEGREES TO 2 DEGREES NR 4 LEADING EDGE DEVICE FAILED TO RETRACT. ACCOMPLISHED APPROPRIATE CHECKLIST, CONTACTED EXPRESS ONE DISPATCH AND WAS DIRECTED TO CPH. GENERATED FROM PILOT REPORT. REMOVED AND REPLACSep 30, 1998 · N721RW · Boeing 7272M7SDR DL757982014Fseu · failedDIVERSION, PILOT REPORT: L/E SLAT ASYM EICAS MSG ILLUMINATED ALONG WITH T/E ANNUNCIATOR AT FL 350. FOUND AND REPLACED NR 1 FSEU CAUSING FALSE SLAT LOSS MSG ALL WIRING FROM PIN C9, PER FIM OK EVEN WITH FAULT DISPLAYED. ALSO, RESET BOXES 2 AND 3. OPERATIONALSep 29, 1998 · N618DL · Boeing 757232SDR 98UAL900476Switch · failed# 6 LEADING EDGE FLAP SHOWS AMBER LIGHT WHEN IN FULL UP POSITION ON SECOND OFFICERS PANEL AND ON FORWARD PANEL. RETURNED TO ORD. SUPPLEMENTAL DATA UPDATE REPLACED #6 LE FLAP SWITCH. SYSTEM OPERATES NORMAL.Sep 24, 1998 · N7285U · Boeing 727222SDR TC8A98057Wire · failedWING SLOT LIGHT DOES NOT ILLUMINATE DURING T/O FLAP SELECTION. TRANSFERRED TO DMI IAW MEL 27-8 CAT C, DMI NR 8693, PLACARD INSTALLED ON 9/8/98. REPAIRED WIRING AT UP FLAP LIMIT SWITCH AS PER M/M 20-50-1. SYSTEM CHECKED NORMAL IAW M/M 27-52-3. DMI CLEARED.Sep 8, 1998 · N187SK · Doug DC862FSDR DL72S981772Switch · failedAMBER LEADING EDGE FLAP LIGHT WOULD NOT EXTINGUISH WHEN FLAPS WERE MOVED FROM 5 TO 2 DEGREES. REPLACED RETRACT SWITCH ON NR 1 SLAT ACTUATOR.Aug 27, 1998 · N401DA · Boeing 727232SDR 98FDEA00496Switch · malfunctioned98-0197 - NR 2 SLAT STILL IND OUT WHEN FLAP RETRACT TO ZERO POSITION TEST ALL AMBER LEADING EDGE SLATS ILLUM). AIRPLANE DID NOT HOWEVER ROLL LEFT. REQUIRES UNUSUAL CONTROL INPUTS TO KEEP WINGS LEVEL. FOUND NR 2 SLAT ACTUATOR POSITION SWITCH TO BE BAD. REPLAug 11, 1998 · N145FE · Boeing 72727CSDR USAASB98193Sensor · failedLGA - FLT 565 - FLT HAD JUST TAKEN OFF WHEN THE CREW NOTICED THAT THE NR 4 LEADING EDGE INTRANSIT LIGHT WAS ILLUMINATED. CREW WENT THROUGH PROCEDURES TO RECEIVE THE CORRECT INDICATION WITH NO HELP. FLIGHT RETURNED TO FIELD AT LGA AND LANDED WITHOUT INCIDENT.Jul 28, 1998 · N782AU · Boeing 7374B7SDR 98UAL900344Connector · looseDURING TAKEOFF, NR 1 LT LEADING EDGE AMBER AND GREEN LIGHT FLICKERED, ALONG WITH INTERMITTENT WARNING HORN. ABORTED TAKEOFF AT 90 KTS. *S/D* THE INDICATION PROBLEM WAS CAUSED BY A LOOSE PIN (PIN 9) IN CONNECTOR DM876B FOR THE M876 PNEUMATIC DRIVE UNIT. THEJul 21, 1998 · N155UA · Boeing 747123SDR 98UAL900308Prox Sensor · failedON FLAP RETRACTION, THE LEADING EDGE FLAP TRANSIT LIGHT REMAINED ILLUMINATED. *S/D* THE LEADING EDGE FLAP RETRACT PROXIMITY SENSOR WAS REPLACED. THE FLAP POSITION INDICATION SYSTEM HAS OPERATED NORMALLY SINCE THE REPLACEMENT.Jul 4, 1998 · N987UA · Boeing 737291SDR ARWA980601Connector · looseDURING TAKEOFF, THE TAKEOFF AURAL WARNING SOUNDED, AT THE SAME TIME L/E EXT LIGHT WAS FLICKERING. ALSO RT WING NR 7 SLAT MONITORING LIGHT FLICKERING. RETURNED TO BLOCKS. FOUND LOOSE CANNON PLUG IN RT NR 7 SLAT ASYMMETRY BRAKE COMPARTMENT. CLEANED AND SECURJun 9, 1998 · N307GB · Lkheed 10113851SDR SWAA980925Sensor · malfunctionedAFTER TAKEOFF WITH FLAP LEVER UP, HAD LE FLAPS TRANSIT LIGHT AND AN OVERHEAD INDICATIONS OF NR 4 KRUEGER FLAP EXTENDED. AIRCARAFT RETURN TO BHM AND MADE AN UNEVENTFUL LANDING. REMOVED AND REPLACED PROX SENSOR FOR NR 4 KRUEGER DOWN INDICATION PER BOEING MM. May 24, 1998 · N333SW · Boeing 7373H4SDR SWAA980922Connectors · looseDURING APPROACH TO ABQ, L/E ANDT/E FLAPS FAILED TO EXTEND, ALT SYSTEM ACTIVATED, FLAPS POSITIONED TO 15 FOR LANDING. A/C MADE AN UNEVENTFUL LANDING. CLEANED AND RESEATED CONNECTORS ON BOTH FLAP TRANSMITTERS, RUN FLAPS SEVERAL TIMES OPS NORMALLY. REMOVED ANDMay 21, 1998 · N683SW · Boeing 7373G7SDR SWAA980875Light · illuminatedIN FLIGHT, NR 4 L/E FLAP LIGHT ILLUMINATED. AIRCRAFT RETURNED TO STL AND MADE AN UNEVENTFUL LANDING. REPLACED DOWN PROX SENSOR PER BOEING MM.May 18, 1998 · Boeing 7372H4SDR USAAD98089Indicator · malfunctionedTPA - FL 382, DURING CLIMB-OUT, THE SLAT DISAGREE LIGHT ILLUMINATED. AFTER CYCLING THE SLATS THE LIGHT REMAINED ON. THE CREW ELECTED TO RETURN TO THE FIELD AND LANDED WITHOUT INCIDENT. THE LANDING WEIGHT WAS 132,500 LBS. MAINTENANCE LUBRICATED THE SLAT DRUMay 17, 1998 · N828US · Doug DC981SDR AALA980994Switch · looseMIA - FLT 925 - DURING CLIMB-OUT, FLAPS RETRACTED TO 2 DEGREES AND A LEADING EDGE AMBLER LIGHT ILLUMINATED. POSITION TEST INDICATED THE NR 3 LEADING EDGE FLAP WAS IN TRANSITION. FLIGHT AIR INTERRUPTED AND RETURNED TO MIA WITHOUT FURTHER INCIDENT. MAINTENANCMay 15, 1998 · N883AA · Boeing 727223SDR TSAA9827256Switch · failedT/O WARNING CONFIG COMES ON WITH POWER ADVANCE. RE-GAP PROX SENSOR NR 1 LE FLAP UNIT AND REPLACE FLAP/SLAT POSITION SWITCH UNIT. PERFORM OPS AND FUNCTIONS CHECK OF T/O CONFIG AND WARNING SYSTME OK. AIRCRAFT RETURNED TO SERVICE. (M)May 11, 1998 · N819AL · Boeing 73725ASDR 98FDEA00327Indication · malfunctionedAFTER TAKEOFF WITH FLAPS SELECTED UP THE YELLOW LEADING EDGE FLAP INDICATOR STAYED ON WITH CORRESPONDING NR 7 SLAT INTRANSIT LIGHT ON THE SECOND OFFICERS'S AUXILIARY PANEL. CYCLED THE FLAP PER CHECKLIST, LIGHTS STAYED ON AS STATED ABOVE. RETURNED TO DEPARTUREMay 5, 1998 · N145FE · Boeing 72727CSDR TWAA9807101Sensor · wornSDQ - FLT 149 - AFTER FLAPS RETRACTED, GOT EICAS MESSAGE, LE SLAT ASYM WAS DISPLAYED WITH LEADING EDGE LIGHT ILLUMINATED. REPLACED NR 4 LE SLAT PROXIMITY SENSOR S285. CHECK-C 3-20-98 LAX. (X)May 4, 1998 · N604TW · Boeing 767231SDR DL76S980840Prox Target · missingON APPROACH WHEN FLAPS 15 SELECTED GOT LEADING EDGE LIGHT WITH L/E SLAT ASSYM EICAS MSG. LANDED WITH FLAPS 20 USING ALT FLAP POSITION/SELECTOR. DUE TO LDG FLAPS 20 AT 170K, LT MAIN GEAR BRAKE TEMP WAS 5 AND RT MAIN GEAR WAS 6. LDG WT 290K LBS. HAD BDL EMERGApr 17, 1998 · N125DL · Boeing 767332SDR WRLA98082Disagree Light · illuminatedDURING TAKEOFF, FLIGHT CREW NOTED SLAT DISAGREE LIGHT. FLIGHT CREW ELECTED TO DISCONTINUE TAKEOFF (MAX SPEED ATTAINED 140 KNOTS) AND RETURN TO DEPARTURE GATE FOR MAINTENANCE. AIRCRAFT RETURNED TO DEPARTURE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNELApr 16, 1998 · N9MMAZ · Doug DC1030SDR 98FDEA00225Switch · failed98-0080 CDG - AFTER TAKEOFF DURING FLAP RETRACTION TO 0 HAD FAILURE NR 3 LED FAILED TO RETRACT. PERFORMED APPROPRIATE CHECK LIST WITH NO RESOLUTION OF PROBLEM. DUMPED FUEL TO MAXIMUM LAND WEIGHT. NORMAL LANDING AT CDG. INSTALLED JUMPER CABLE ON NR 3 LEADINMar 31, 1998 · N494FE · Boeing 727227SDR CA980331019Transmitter · cracked(CAN) AFTER TAKEOFF HAD TO RETURN DUE TO LEADING EDGE SLAT LOCKED BETWEEN UP AND NR 1 POSITION. LANDED OVERWEIGHT. OVERWEIGHT LANDING CHECK CARRIED OUT OK AND SLAT PDU POSITION REPLACED.Mar 24, 1998 · Boeing 757236SDR 98ZZZM417Switch · out of adjustFLT 7475 - MIA-MCO - LANDING GEAR WARNING HORN AND INTRANSIT LIGHT REMAIN ON AFTER GEAR RETRACTION. A/C RETURNED TO MIA. STRAIGHTENED MICROSWITCH ACTUATOR ON FLAP SWITCH. (M)Mar 21, 1998 · N189GA · Beech 1900SDR CA980311026Slats · intermittent(CAN) FOLLOWING GEAR-UP SELECTION THE GEAR IN TRANSIT LIGHT AND GEAR DOOR LIGHT STAYED ON. ABNORMAL PROCEDURE CARRIED OUT EXCEPT THAT UPON GEAR DOWN SELECTION, THE GEAR TRUCK LIGHT CAME ON. ON RETURN ON APPROACH FLAPS SELECTION, THE FLAPS LOCKED AT 2 DEGREESMar 1, 1998 · Lkheed 1011385114SDR TC8A98005Switch · failedTRIP NR 1259, SLOT DISAGREEMENT LIGHT STAYED ON ON TAXI-OUT, RETURNED TO RAMP. ENTERED ON DMI 8052 CAT C, REMOVED AND REPLACED INBOARD RT SWITCH, OPS CHECKED NORMAL IAW M/M 27-52-3, CLEARED DMI8052.Jan 29, 1998 · N184SK · Doug DC861FSDR AALA980213Sensor · out of adjustDFW - FLT 0308 - AFTER TAKEOFF DFW DURING CLIMB-OUT, FLIGHT CREW GOT A FLAP DISAGREE LIGHT, ILLUMINATED AND LATER EXTINGUISHED. AFTER ACCELERATING TO 300 KNOTS, LIGHT ILLUMINATED WITH AURAL WARNING. NO ASYMMETRY NOTED DURING ANY PHASE OF THE FLIGHT. AIRCRAFJan 24, 1998 · N407AA · Doug DC982SDR 9800532292Indicator · inoperativeDURING CLIMB ON FLAP RETRACTION, THE NR 3 LEADING FLAP DID NOT INDICATE UP AND LOCKED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED LEADING EDGE POSITION INDICATOR AND STRAIGHTENED NR 7 PIN ON CANNON PLUG OF NR 3 LEADING EDGE SWITCH, OPERATJan 7, 1998 · N292US · Boeing 727251SDR DL76L980035Indication · malfunctionedAT FL350, LEADING EDGE SLAT ASSY LIGHT CAME ON. FLAP IND SHOWED HALFWAY BETWEEN UP AND 1. LIGHT CAME ON 4 OR 5 TIMES. AFTER SLOWING AND GOING TO FL260, NO FURTHER INDICATIONS CAME ON. DIVERTED TO JFK. INDICATION REOCCURRED ON DESCENT.Jan 6, 1998 · N179DN · Boeing 767332SDR 97FDEA00890Retract Ind · malfunctionLEADING EDGE DEVICE AMBER LIGHT ON AT 2 DURING FLAP RETRACTION NUMBER 3 AND 4 LEADING EDGE DEVICE INDICATOR LIGHTS SHOWED AMBER. RECYCLED 2 TIMES IN FLIGHT, NO CHANGE. LEADING EDGE DEVICES WERE OK AT 5/15/25/30 ON FLAP RETRACTION. CYCLED SLATS AND FLAPS FORDec 17, 1997 · N494FE · Boeing 727227SDR TWAA9714801Warning Lights · activatedSDQ - FLT 149 - DURING CLIMB, LEADING EDGE ASYMMETRY AND LEADING EDGE LIGHT CAME ON. ACCOMPLISHED TESTS PER FAULT ISOLATION MANUAL. BITE TEST FLAP SLAT ELECTRONIC UNIT, STABILIZER POSITION MODULE ALL TEST CHECKED NORMAL. VISUALLY INSPECTED TARGET SENSOR FOUDec 15, 1997 · N602TW · Boeing 767231SDR DHL97741004Switch · failedLEADING EDGE FLAP AMBER LIGHT ON AFTER RETRACT. REPLACED NR 2 SLAT EXTERNAL SWITCH, OPS CHECKED GOOD.Nov 25, 1997 · N741DH · Boeing 7272Q9SDR ORJA97204Switches · failedAIR TURN BACK, SLATS DISAGREE LIGHT ON AFTER FLAP/SLAT RETRACTION AFTER TAKEOFF SLATS VISUALLY VERIFIED EXTENDED IN FLIGH TWITH FLAP/SLAT HANDLE IN O/RET POSITION. REMOVED AND REPLACED FLAP/SLAT HANDLE POS SWITCHES PERFORMED TEST OF FLAP/SLAT HANDLE POS SWITCNov 22, 1997 · N873RA · Doug DC983SDR USAABB97142Prox Switch · failedPHL - FL 14 - EN ROUTE AT FL370, CREW RECEIVED THE EICAS MESSAGE 'LE SLAT ASSY.' CREW ALSO FELT A 'RUMBLE' WHICH MAY HAVE INDICATED A SLAT MOVEMENT. FLIGHT RETURNED TO PHL AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE PERFORMED THE BITE PROCEDURE PER THENov 17, 1997 · N646US · Boeing 767201SDR TWAA9713401Switch · wornSTL - FLT 533 - DURING TAKEOFF, THE NR 5 LEADING EDGE DEVICE FAILED TO RETRACT ACCORDING COCKPIT INDICATIONS. REMOVED AND REPLACED LEADING EDGE SWITCH DUE TO WEAR, MFG P/N 10-60819-18, MANUFACTURED BY BOEING COMPANY. (M)Nov 15, 1997 · N54345 · Boeing 727231SDR EISA97224Switch · failedDURING CRUISE AT FLT 370, THE L/E FLAPS LGHT ON THE PILOT PANEL ILLUMINATED. POSITION TEST INDICATED AMBER IN TRANSIT LIGHT OR, NR 3 L/E FLAP. PERFORMED EMERGENCY CHECK LIST. L/E FLAP NR 3 REMAINED IN TRANSIT. REMOVED AND REPLACED NR 3 FLAP POSITION SWITCHNov 15, 1997 · N310NE · Boeing 7272A7SDR 9721535504Transmitter · malfunctionedSLAT ASYMMETRY MESSAGE DURING CLIMB WITH NO SLAT MOVEMENT SELECTED. COMPLIED WITH COM PROCEDURES. NO FURTHER PROBLEMS NOTED. CREW DECLARED AN EMERGENCY INTO MKE, AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT OUTBOARD SLAT DRIVE TRANSMITTENov 15, 1997 · N504US · Boeing 757251SDR 97FDEA00833Position Ind · malfunctionedDURING FLAP RETRACTION AT 2 DEGREE ON CLIMBOUT, THE NR 4 RIGHT INBD FLAP DID NOT RETRACT. THE POSITION TEST SELECTOR INDICATED THE SAME. THE LEADING EDGE FLAPS POSITION IND LIGHTS WERE AMBER. PROCEEDED WITH RED TAB CHECK LIST AND MADE A NORMAL LANDING. REMNov 14, 1997 · N258FE · Boeing 727233SDR TC8A97051Slot Light · illuminatedWING SLOT LIGHT ON, FLAPS UP, BUFFET AT 250 KNOTS. ENTER ON DMI 7680 MEL 27-8 CAT C SP 27-1.Nov 13, 1997 · N182SK · Doug DC8F55SDR 9720252287Switch · failedDURING FLAP RETRACTION, NR 1 LEADING EDGE SLAT INDICATED STILL DOWN. AIRCRAFT RETURNED TO PHL AND LANDED WITHOUT INCIDENT. REPLACED NR 1 LEADING EDGE POSITION SWITCH. OPERATIONAL CHECK OK.Oct 29, 1997 · N287US · Boeing 727251SDR 97ZZZX4967Torque Tube · looseCTG/EWR - FLT 024 - EICAS MSG L.E. SLAT AYSM. DISPLAYED WITH FLAP LEVER UP. FLAP POINTERS STOPPED BETWEEN UP AND 1 DEGREE. FLIGHT RETURNED TO CTG. SLAT NR 9 TRANSMITTER TORQUE TUBE L.E. WAS FOUND LOOSE. TORQUE TUBE COUPLING ADJUSTED AND REGULATED SYSTEM ACOct 25, 1997 · N987AN · Boeing 75723ASDR 97FDEA00769Control Module · malfunctionedGOT A SLATS DISAGREE WHEN SLAT HANDLE WAS IN THE RETRACT POSITION. RETURNED FLAP HANDLE TO THE 0 DEGREES/EXTEND POSITION AND SLATS INDICATED EXTENDED. FOUND SLAT CONTROL POWER A C1 RESET C/B AND ATTEMPTED TO RETRACT SLATS. GOT THE SAME SLATS DISAGREE ALERT Oct 17, 1997 · N605FE · Doug MD11FSDR DHL97740004Switch · dirtyON CLIMBOUT AT 9500 FEET AND 240 KTS, AMBER LIGHT CAME ON F/O PANEL AND LED LAMP NR 4 AMBER LIGHT ON S/O PANEL ILLUMINATED. ALTERNATE PROCEDURE WAS COMPLETED AND RETURNED TO LAX. CLEANED SWITCH AND OPS CHECKS GOOD.Oct 8, 1997 · N740DH · Boeing 7272Q9SDR DHL97740003Switch · failedON FLAP RETRACTION NR 1 LED FLAP INDICATED NOT RETRACTED. ALTERNATE PROCEDURE WAS COMPLETED AND RETURNED TO BLOCKS. REMOVED AND REPLACED NR 1 L/E FLAP SWITCH AND ADJUSTED.Oct 8, 1997 · N740DH · Boeing 7272Q9SDR USAASB97250Proximity Sensor · defectivePHL (FL 993) - DURING CLIMB-OUT WITH FLAPS RETRACTED,THE NR 4 LEADING EDGE FLAP TRANSIT LIGHT ILLUMINATED. AIRCRAFT RETURNED TO FIELD (PHL). NO EMERGENCY WAS DELCARED AND THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED NR 4 KRUEGER FLAP PSep 11, 1997 · N235US · Boeing 737201SDR ZZDA2718297Circuit Breaker · trippedDURING THE INITIAL TAKEOFF ROLL, WARNING HORN SOUNDED, L/E FLAP EXT LIGHT DID NOT ILLUMINATE GREEN OR MASTER L/E DEVICES PANEL ON OVERHEAD PANEL. VISUAL INSPECTION SHOWED L/E SLATS AND FLAPS HAD BEEN SELECTED TO PROPER POSITION. AIRCRAFT RETURNED TO GATE. FSep 8, 1997 · Boeing 7372P6SDR TSAA9727209Prox Sensor · inoperativeFLT 644 - OGG-HNL - AFTER TAKEOFF, NR 4 SLAT INDICATED EXTEND WITH FLAPS RETRACTED. NO ROLL NOTED. RETURNED TO OGG. REPLACED NR 4 FULL POSITION PROX SENSOR (SLAT). SYSTEM OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)Aug 23, 1997 · N804AL · Boeing 7372Q9SDR 9715729913Switches · malfunctionedON APPROACH INTO DTW, SLAT DISAGREEMENT LIGHT ILLUMINATED. CREW DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND TESTED SLAT SYSTEM. NO PROBLEMS COULD BE FOUND. REPLACED LEFT AND RIGHT SLAT EXTEND SWITCHES AS A PRECAUTIAug 14, 1997 · N963N · Doug DC931SDR 9714745503Control Unit · malfunctionedWHILE EXTENDING FLAPS TO FLAP 1 POSITION, LEADING EDGE FLAP DISAGREE LIGHT ANNUNCIATED. AIRCRAFT DIVERTED TO LAX AND PERFORMED AN UNEVENTFUL LANDING. MAINTENANCE REPLACED THE FLAP SLAT ELECTRONIC UNIT.Jul 29, 1997 · N503US · Boeing 757251SDR CA970728007Proximity Sensor · inoperative(CAN) NR1 SLAT HAD NO POSITION OR TRANSIT INDICATIONS. INTERNAL PAROXIMITY SENSOR HAS OPEN CIRCUIT, NOT SENSING POSITION OF ACTUATOR.Jul 14, 1997 · Boeing 7372A9C
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