JASC 2781
Service difficulty reports · 1,398
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.
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
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 SIMA20250807003Sensor · failedSLAT FAIL FLAP FAIL ON EICAS. SOFT LANDING LESS THEN 300 FPM WEIGHT 72,000 LBS. TRANSFERRED TO NRWC 061-DFW-04708 ITEM-1. EMERGENCY DECLARED. R & R OUTBOARD LEFT SLAT SKEW SENSOR IAW AMM 27-83-01. OPS CHECKED GOOD.SDR IPXA2025080729838Fce · faultedAIR TURN BACK, LE SLAT DISAGREE. PERFORMED FSEU BITE PER FIM 27-51 FT 809. FOUND EXISTING FAULT MSG: LVR RVDT 2 MISRIG WITH FAULT CODE 27-51023. ALSO PREVIOUS LEG FAULT 0. FOUND MSG: LE SLATS SEE FIM WITH FAULT CODE: 27-81045. PERFORMED POSITION RVDT #2 (MSDR SWAA2025072494940Sensor · faultyLE FLAPS TRANSIT LIGHT CAME ON AT 170KTS AND FLAPS 5; THEN BECAME INTERMITTENT WITH GEAR DOWN AND FLAPS 15<[01] T/S FAULT COULD 27-81222 IN REF TO FIM 27-88 TASK 805. LEADING EDGE FLAP F4 OUTBOARD SENSOR FAULTY. REMOVED AND REPLACED IN REF TO AMM 27-88-11. OPSSDR CALA2025072106796Proximity Sensor · faultedFLAPS LE TRANS LIGHT DID NOT GO OUT ON DEPARTURE W FLAPS UP. SLATS NR 8 LIGHT WAS ON. LE SLAT 8 INBOARD SENSOR SIGNAL DOES NOT AGREE WITH OTHER LE SLAT INBOARD SENSOR SIGNALS. MAINT MSG 27-81215. CAPTURED ON 6 OF LAST 7 LEGS. CYCLED FLAPS AND COULD NOT REPSDR CALA2025071806708Sensor · faultedLE FLAPS TRANSIT LIGHT ILLUMINATED UPON SETTING FLAPS 15 ON APPC H. RAN CHECKLIST LAND FLAPS 15 LOCK FAUTL CODE 27-81201 WAS FOUND DURING BITE CHECK. ACCOMPLISHED FIM TASK 27-88. IN TRANSIENT LIGHT WOULD NOT EXTINGUISH IN FLT DECK PAST FLAP HANDLE COMMANDED ATSDR FDEA202507081143Sensor · failedEMERGENCY DECLARED FOR LE SLAT ASYM INDICATION. AT APPROXIMATELY 1500 AFE AND 160 KNOTS, WE WERE AT FLAPS 25 WITH NORMAL INDICATIONS. WHEN SELECTING FLAPS 30, THE LE SLAT ASYM EICAS MESSAGE APPEARED ALONG WITH THE LEADING EDGE DISCRETE LIGHT. WENT AROUND SDR AALA202506209039Sensor · false indicationAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: LEADING EDGE FLAPS TRANSIT LIGHT ON FOR SLAT NUMBER 6 DURING LANDING CHECKLIST. PERFORMED A GO AROUND AND PERFORMED QRH PROCEDURE, LANDED FLAPS15 WITH LANDING EDGE FLAPS TRANSIT LIGHT INTERMITTENT. AIRCRSDR 21GA202507083014Proximity Sensor · out of adjustON APPROACH RECEIVED FLAP ASSYMETRY MESSAGE WHEN FLAP SET TO 5 DEGREES. DIVERTED TO IAD AND LANDED WITHOUT INCIDENT. CLEANED AND SET CLEARANCES ON LEADINF ESGE SLAT SENSORS.SDR FDEA202506180987Warning Light · false activationON A 10 MILE FINAL WITH THE GEAR DOWN, WE SELECTED FLAPS 25 AND GOT A MASTER CAUTION, LE SLAT DISAGREE LIGHT. WE ELECTED TO DO A GO AROUND AND SELECTED FLAPS 20 AND RAISED THE GEAR AND THE CAUTION LIGHT EXTINGUISHED. WE CAME BACK AROUND AND REATTEMPTED A SDR DALA2025060204231Actuator · faultedSHIP 0691 -ATB/DE- DUE TO LE SLAT DISAGREE AND LE SLAT ASYMMETRY MESSAGES. CORRECTIVE ACTION: REPLACED CANNON PLUG D2984, R/R #1, #2 AND #4 ROTARY ACTUATORS, LT LEADING EDGE SLAT POSITION TRANSMITTER AND #2 FSEU.SDR CALA2025053005135Sensor · faultedL FLAP TRANSIT LIGHT ON AT CRUISE.SLAT 2 AMBER QRH DID NOT CLEAR LWR TOCS LOG CREATED AND LOGPAGE LOCKED BY TOMC FOUND FAULT SL2 PROX OUTBOARD FAULT MX MESSAGE 27-81202. FAULT CURRENTY LATCHED. OPERATED FLAPS/SLATS. WITH FLAP HANDLE SET TO POSITION 10-40 INDICSDR CALA2025053005134Proximity Sensor · faultedLE FLAPS TRANSIT LIGHT ILLUMINATED WITH FLAPS 30 SELECTED. SLAT 6 PERFORMED FIM 27-81 TASK 816, DURING SLAT SYSTEM OP TEST FAULT MESSAGE 27-81210 POPPED AGAIN. REPLACED SLAT 6 OUTBOARD SENSOR (S1004). OP CHECKS GOOD, COULD NOT DUPLICATE FAULT. REFERENCE AMM 27SDR DALA2025061204464Pseu · faultedSHIP 1604 -MISC/DE- CREW ELECTED DE DURING APPROACH INTO NAP DUE TO INTERMITTENT LE ASSYM INDICATION IN FLIGHT. CORRECTIVE ACTION: R/R PSEU AND S284 FOR HIGH INDUCTANCE.SDR AALA202505190472Sensor · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CRUISE AT FL 370, LEADING EDGE FLAPS TRANSIT LIGHT ON FORWARD PANEL ILLUMINATED IN ASSOCIATION WITH THE NUMBER 4 TRAILING EDGE FLAP GREEN LIGHT ON LEADING EDGE DEVICES ANNUNCIATOR PANEL OVERHEAD. SDR AALA202505190290Sensor · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CRUISE AT FL 370, LEADING EDGE FLAPS TRANSIT LIGHT ON FORWARD PANEL ILLUMINATED IN ASSOCIATION WITH THE NUMBER 4 TRAILING EDGE FLAP GREEN LIGHT ON LEADING EDGE DEVICES ANNUNCIATOR PANEL OVERHEAD. SDR DALA2025050503442Sensor · faultedSHIP 3963 -MISC/DE- DECLARED AN EMERGENCY DUE TO FLAP/SLAT DISAGREE. CORRECTIVE ACTION: FOUND S174 LEADING EDGE FLAP RETRACT SENSOR 4 NOT CHANGING STATE. REPLACED SAME. OPS CHECK GOODSDR SWAA2025050566736Sensor · faultedLEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED AT CRUISE AT FL 370. THE #8 SLAT INDICATED GREEN IN EXT POSITION. RAN QRH AND AFTER CYCLING FLAPS TO POSITION 1 AND THEN UP THE LE FLAPS TRANSIT LIGHT WENT OUT BUT THEN REILLUMINATED. LANDED FLAPS 15 PER QRH AND BRASDR DALA2025042103069Transmitter · out of limitsSHIP 0179 -FCNT/DE- THE CREW ACCOMPLISHED A GO-AROUND DUE TO "TE FLAP ASYM" EICAS MESSAGE. THE QRH WAS COMPLIED WITH AND AN EMERGENCY WAS DECLARED TO ATC. LANDING WAS NORMAL AND UNEVENTFUL. CORRECTIVE ACTION: BITE REVEALED THAT THE #5 FLAP POSITION TRANSMITTERSDR DALA2025042103070Warning Message · illuminatedSHIP 9510 -ATO- THE CREW SAFELY ABORTED THE TAKEOFF AT 110 KTS DUE TO RECEIVING AN AURAL "SLAT CONFIGURATION" MESSAGE. CORRECTIVE ACTION: MAINTENANCE (LP #7507750)SDR IXXA20250410017Target · faultedPRIOR TO APPROACH, LE SLAT ASSYMETRY DISPLAYED WITH FLAPS EXTENDED BEYOND 20 CREW DECLARED AN EMERGENCY LANDING TO KCLT AIR TRAFFICE CONTROL. LANDING WAS WITHOUT INCIDENT AND NO ADDITIONAL PRECAUTIONARY ACTIONS. ON ARRIVAL, THE AIRCRAFT WAS GROUNDED FOR MAINTSDR UIEA2025040400440Proximity Sensor · damagedBROKEN TAG WASHER SUPPORT ON INBOARD AUX TRACK AT SLAT NO. 9.(<P>LEADING EDGE SENSOR SWITCH ON INBOARD AUX TRACK AT SLAT NO. 9 WAS REPLACED IAW AMM 27-88-01-902-001 REV 144 22DEC24. NO FURTHER DEFECTS NOTED.</P>)SDR AALA202503279753Proximity Sensor · failedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO MIA DUE TO LEADING EDGE FLAP TRANSIT LIGHT ILLUMINATED. NUMBER 3 SLAT AMBER ON OVERHEAD PANEL. THE AIRCRAFT LANDED SAFELY AT MIA WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED SLAT PSDR DALA2025032102142Transmitter · malfunctionedSHIP 6705 -FCNT/DE- DUE TO SLAT ASYMMETRY MESSAGE. CORRECTIVE ACTION: REPLACED RIGHT SLAT POSITION TRANSMITTER.SDR UIEA2025031600351Proximity Sensor · looseLE SLAT ASYM EICAS MSG - EMERGENCY DECLARED(<P>T/S SLAT ASSYM MSG PER FIM 21-81 FT 809. PROX SENSOR 303 AT L/E SLAT 9' LOOSE SHIMMED, ADJUSTED AND SECURED PROX SENSOR 303 IAW AMM 27-88-01. PERFORMED OPS CHECK IAW 27-81-00, OPS CHK SATISFACTORY</P>)SDR SWAA2025030502292Transmitter · failedLEADING EDGE FLAPS + SLATS AND TRAILING EDGE FLAPS DID NOT EXTEND WHEN FLAPS LEVER PLACED TO FIVE. FLAP ASYMMETRY INDICATED WHEN ALT FLAP SWITCHED DOWN. LEADING EDGE FLAPS+SLATS EXTENDED<[01] R & R LH FLAP POS TRANSMITTER PER AMM 27-58-01(E148386) <BR>R/R CONNSDR DALA2025030401696Transmitter · faultySHIP 0699 -FCNT/DE- DUE TO L/E SLAT DISAGREE. CORRECTIVE ACTION: R/R LT SLAT POS XMTR, R/R 8,9,10,14,15,16 ROTARY ACTUATORS, ADJ #7 SLAT, R/R 8,9,10,14,16 ROTARY ACT BEARINGS, R/R LT SLAT SENSOR CONNECTOR. C/W SLAT LUBESDR CALA2025030300471Fseu · faultedLE SLAT ASYM EICAS B LE SLAT ASYMMETRY CREW DEBRIEF: ON APPROACH WHEN FLAPS/SLATS WERE EXTENDED, GOT A SECOND REPORT. LE SLAT ASSYMETRY EICAS. NO ABNORMAL ROLL EXPERIENCED. FLAPS REMAIN EXTENDED AND HANDLE IS AT 20. PER FIM 27-81 FAULT TREE 809 SYSTEM IS OK.SDR IPXA2025022646018Slat System · false indication**EMERGENCY DECLARED**APPROACHING FINAL CALLED FOR FLAPS 1AND SET FLAPS1 AND RECEIVED LE SLAT DISAGREE. PERFORMED THE QRH CHECKLIST LEADING EDGE LIGHT STAYED ILLUM SO WE PERFORMED THE LE EDGE SLAT ASYMMETRY TO ITS T/S PER FIM 27-81 TREE 803 PERFORMED OPERATIONSDR DALA2025022501478Transmitter · faultedSHIP 0699 -DIV/DE- TO TPA DUE TO L/E SLAT DISAGREE. CORRECTIVE ACTION: REPLACED LT SLAT POS TRANSMITTER.SDR CALA2025022502470Sensor · faultedTEST FLIGHT DISCREPANCY . . LE EDGE SLAT ASSYMETRY I N CLIMB. POSSIBLE OVERSPAT 33000 FEET, AIR SPEED REACHED 300 KNOTS FOR A SHORT PERIOD TIME. 50 KNOTS ABOVE MAX SPEED OF 250KNOTS PLUS NOTICED L.E FLAPS INDICATIONS START TO MOVE ALSO. BELOW 250KNOTS EVERYTHISDR CALA2025021802358Proximity Sensor · faultedLE FLAP TRANSIT LIGHT COMING ON WITH RH LE SLAT LIGHT ON OVERH EAD PANEL FSEU BITE FAULTING NO.4 LEADING EDGE FLAP SENSOR, MAINT MSG 27-81223. OVERHEAD SLAT INDICATOR SHOWS GREEN WHEN FLAPS EXTENDED, SHOWS AMBER INTRANSIT INTERMITTENTLY WHEN FULLY RETRACTED.SDR CALA2025021702342Proximity Sensor · faultedLEADING EDGE SLATS TRANSIT LIGHT STAYS ON 7 ON FLAP RETR SLAT 7 TRAN SIT LT STAYED ON W/ASS A LE FLAPS TRANSI T LT ON. SLIGHT ASSEMETRY/ROLL. UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. MAC METER INITIATED. PERSDR AALA202502131186Slat System · warning messageAIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO IAH DUE TO THE FLIGHT CREW REPORTING THAT UPON SELECTING FLAPS 1 ON APPROACH RECEIVED FLIGHT CONTROL SLATS FAULT ECAM MESSAGE. SLATS WERE STUCK IN 0 POSITION. THE AIRCRAFT LANDED SAFELY AT IAH WSDR ABXA20250206035Target · out of adjustDURING A/C EVAL FLIGHT ,AT CLIMBOUT LE SLAT ASYM ON EICAS AND LEADING EDGE DESCREET LIGHT , RAN CHECKLIST AND DECLARED AN EMERGENCY PERFORMED (ATB) AND RETURNED TO FIELD.MTX GROUNDED AC AND TROUBLE SHOT AND . ADJUSTED GAP ON LEADING EDGE SLAT TARGET PROX SENSSDR AALA202502079012Wire · damagedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: SLAT DRIVE MESSAGE AFTER TAKE OFF, REPEATED 5 TIMES; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT ZRH. **SUPPLEMENTAL REPORT FOR (AALA202502049012): TROUBLESHOT PER FIM 27-80-F1-30A-421A. FOUND SDR CALA2025012201967Proximity Sensor · faultedWHILE IN CRUISE AT FL340 LE FLAPS TRANSIT LIGHT CAME ON.SLAT 4 T RANSIT LT ILLUMINATED ON OVRHD PERFORMED FSEU BITE TEST FOUND FAULT MESSAGE NO: 27-81207. S4 INBD MARGINAL, CYCLED LEADING EDGE FLAPS AND SLATS. SLAT 4 LT ILLUMINATED BETWEEN FLAP LEVER POS 5 & 1SDR CALA2025011701946Warning Light · illuminated*EMERGENCY* DECLARED DUE TO LEADING EDGE FLAP TRANSIT LIGHT LEADING FLAP TRANSIT LIGHT QRH FOLLOWED MTC UPDATE TAKEN FROM THE FSEU.. FOUND #2 LH SIDE SLAT OUTBOARD & #7 RH SIDE SLAT OUTBOARD TARGETS BENT WITH AN IN TRANSIT INDICATION AND AS NOTED ON THE FSEU DSDR AALA202501155909Detector · inoperativeAIRCRAFT WAS GROUNDED: AIR INTERRUPT AND RETURN TO PHL FOR AMBER EICAS"SLAT DRIVE" INDICATION. PERFORMED OVERWEIGHT LGD 393.0LBS 191 FPM. NORMAL TOUCHDOWN. MAINTENANCE REPLACE RIGHT OUTBOARD LEADING EDGE SLAT SKEW DETECTION MECHANISM ASSEMBLY IAW 27-89-03.SDR CVGA20250102002Flap System · warning messageFLAPS FAILURE CAS MESSAGE, NO RESET. - DECLARED EMERGENCYSDR DALA2024122812048Switch · faultedSHIP 0172 -FCNT/DE- LEADING EDGE DISAGREE EICAS MESSAGE WHEN LANDING FLAPS SELECTED. GO AROUND AND QRH C/W. CORRECTIVE ACTION: REPLACED SWITCH S305. NO FAULT NOTED.(6715776)SDR CALA2024122601658Target · faultyLEADING EDGE FLAPS TRANSIT LIGHT STAYS ON 1 LOCKED BY TOMC DURING VISUAL INSPECTION FOUND SL1 OUTBD PROX SENSOR TARGET BROKEN. REMOVED AND REPLACED SL1 OUTBD PROX SENSOR TARGET BRACKET REF SRM 51-40-02 ADJUSTED SLAT 1 PROX SENSOR S994 PER AMM TASK 27-88-11-40SDR ABXA20241219262Warning Message · false activationDURING CLIME OUT LE SLAT DISAGREE LIGHT CAME ON ,AC RETURNED TO FIELD (ATB) AND MAINTENACE GROUNDED AC , MTX T/S IAW KAC FIM 27-51 FT 809. FSEU SHOWS NO EXISITING FAULTS. FAUTL HISTORY SHOWS LVR1 NOT IN DETENT. OS CHECKED IAW KAC AMM 27-81-00. OPS CHECK GOOD SDR DALA2024120511484Transmitter · illuminatedSHIP 5647 -FCNT/DE- LEADING EDGE SLAT ASYMMETRY MESSAGE ON APPROACH. CORRECTIVE ACTION: REPLACED RIGHT SLAT POSITION TRANSMITTER.SDR DALA2024112511210Transmitter · illuminatedSHIP 0691 -ATB/DE- DUE TO L/E ASYMMETRY IN CRUISE WITH FLAPS/SLATS UP. CORRECTIVE ACTION: REPLACED LEFT SLAT POSITION TRANSMITTER.SDR AALA202411124678Proximity Sensor · out of adjustAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB, CRUISE, AND DESCENT WE WERE GETTING A "LEADING EDGE FLAPS TRANSIT" LIGHT AND NUMBER 8 PANEL ILLUMINATED ON THE OVERHEAD PANEL; AIRCRAFT LANDED SAFELY AT PHL. CORRECTED PROXIMITY SENSOR DIMESDR AALA202411044085Proximity Sensor · dirtyAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: LEADING EDGE FLAP TRANSIT ILLUMINATED AFTER SELECTION OF FLAPS 1, 4, AND 5; AIRCRAFT ABORTED APPROACH AND RELANDED SAFELY AT ORD. ACCOMPLISHED BITE OF FLAP AND SLAT CONTROL UNIT. FOUND EXT PROX SENSOR EXSDR DALA2024110410642Proximity Switch · faultedSHIP 3870 -ATO- DISCONTINUED TAKE OFF IN MSP AT APPROXIMATELY 50KTS DUE TO MASTER CAUTION LIGHT WITH NO ASSOCIATED FAULTS. CORRECTIVE ACTION: FOUND FAULT 31-53010 ON PROXIMITY SWITCH ELECTRONICS UNIT. REPLACED FLAP/SLAT ELECTRONIC UNIT PER B737 FIM AND OPS CHESDR ABXA20241023201Target · missingAC DURING APPROACH DURING LANDING CHECKLIST EICAS "MSG LE SLAT ASYM " CREW CALLED FOR A GO-AROUND AND MISSED APPROACH, AFTER GO AROUND RECEIVED " STICK SHAKER " ADJUSTED SPEED AND FLAP SETTING FOR LANDING . CAPTAIN DECLARED EMERGENCY AND LANDED . MTX GROUNDSDR SWAA2024102151244Warning Light · false activationLE FLAPS TRANSIT REMAINING ILLUMINATED WITH FLAPS 5 EXTENDED<[01] PERFORMED FSEU BITE NO FAULTS FOUND; OK TO CONTINUE PER MEL 27-4-02 SP1;[02] 02 - INSPECTED PER [AMM 27-88-00-201-NG (LEADING EDGE FLAP AND SLAT POSITION INDICATING SYSTEM - MAINTENANCE PRACTICESDR SWAA2024101548761Sensor · looseLEADING EDGE FLAPS TRANSITS LIGHT WHEN SELECTING FLAPS 5 AND AT POS 5 FWD PANEL LEADING EDGE FLAPS TRANSITS LIGHT WHEN SELECTING FLAPS 5 AND AT POS 5 FWD PANEL ONLY<[01] FOUND S172 SENSOR HARDWARE UNSECURED. SECURED SENSOR REF AMM 27-88-11. OPS CHECKED NORMAL
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