JASC 2751

Service difficulty reports · 3,079

Reports filed under 2751 · Trailing Flap 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 = '2751'
  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 CALA2026102320535Warning Light · false activationLE TRANSIT LIGHT ON WITH FLAPS 5. LT OTBD AMBER LIGHT ON OVERHEAD INDICATOR CREW DEBRIEFED FLAP TRANSIT LIGHT STAYED ON AND WOULD NOT COMPLETE TRANSIT MOVEMENT FROM FLAP 15. PILOTS WENT THROUGH CHECKLIST, WOULD NOT COMPLETE MOVEMENT, TRANSIT LIGHT WOULD NOT EXOct 21, 2026 · N15712 · Boeing 737724SDR CALA2026101520401Transmitter · faultedT/E FLAPS INDICATION FOR LT & RT FLAPS DO NOT AGREE, TE FLAP ASSYM, FLAPS SPLIT AT 5 DETENT, MX MSG 27-52261, 27-52259, 32-62009 AND 32-62010. GEAR WARN SYS FAULTS MOST LIKELY DUE TO FLAP POSITION FAULTS. CHKD RESISTANCE AT D00275 IAW WDM 27-52-11. RESISTOct 13, 2026 · N77578 · Boeing 7379SDR 2026F00224Transmitter · inoperativeROUTE LPB/UYU FLIGHT 304 DIVERTED TO SRE DUE TO THE FOLLOWING REPORT: FLAPS-SLATS AND LEADING EDGE NO EXTEND MORE THAN 10°. CORRECTIVE ACTION: HAS BEEN REPLACED FLAP POSITION TRANSMITTER IAW AMM 27-58-01. IN TEST OK.Oct 7, 2026 · Boeing 7377Q8SDR ABXA20261007460Flap System · malfunctionedON APPROACH SELECTING FLAPS TO 25, THE CREW GOT THE TRAILING EDGE FLAPS DISAGREE LIGHT AND EICAS, MSG TRAILING EDGE FLAP DISAGREE ACCOMPLISHED QRH AND LANDED FLAPS 25 NO ISSUES. LANDED WITH NO ISSUES AND MAINTENANCE GROUNDED THE A/C TO DO THE FOLLOWING. PERFOROct 7, 2026 · N764CK · Boeing 7673P6SDR AALA202610027158Sensor · inoperativeAIRCRAFT WAS GROUNDED: DURING FLAP EXTENSION UP TO 1 TRAILING EDGE FLAP ASSIMETRY ( INDICATION SPLIT AND STUCK) . AFTER LANDING THE INDICATION RETURNED TO UP. REMOVED AND REPLACED O/B FLAP I/B SKEW SENSOR T00531 PER AMM 27-59-01.Sep 30, 2026 · N914NN · Boeing 737823SDR CALA2026092919963Proximity Sensor · faultedINTERMITTENT LE FLAP EXT LIGHT AND OVHD FLAP 1 FULL XTND INDICATOR, SPEED CMD DROPS TO .63. ON ARRIVAL FSEU BITE FAULTED F1 PROX EXTEND SWITCH, MSG 27-81217. ON GND, RAN FLAPS A COUPLE OF TIMES, FULL DOWN & UP. ALL NORMAL. REMOVED AND REPLACED LE FLAP 1, ESep 25, 2026 · N37473 · Boeing 7379SDR SWAA2026092151509Transmitter · faultedWHEN SELECTING FLAPS TO 5 THEN 15, THE FLAP INDICATOR SHOWED A MINOR SPLIT OF THE FLAPS. ONE FLAP WAS IN UP POSITION OTHER BETWEEN UP AND 1. REPLACED OIL IN ALL FLAP TRANSMITIONS IAW AMM 12-22-51. REPLACED LT & RT FLAP POSITION TRANSMITTERS IAW AMM 27-58-01Sep 18, 2026 · N448WN · Boeing 7377H4SDR CALA2026091419414Indicator · no discrepancyFLAP INDICATOR SHOWED 25 WITH FLAP LEVER IN 30 POSITION RESET FLAP POS/SKEW SNSR & IND RIGHT AND LEFT CB REF FIM 27-51 TASK 842, CYCLED FLAPS TWICE REF AMM 27-51-00, NO DEFECTS NOTED, NEEDLE NOT STICKING GAUGE AND FLAPS OPERATE NORMALLY.Sep 11, 2026 · N87507 · Boeing 737824SDR JJBA20260908004Sensor · faultedFLAP FAIL ON FLIGHT. FOUND FLAP LT SENSOR FAILED AND FLAP DRIVE SENSOR FAILED ON CMC. PERFORMED FIM. REMOVED AND REPLACED LT VELOCITY SENSOR. OPERATED FLAPS 20 TIMES. OPS CHKD GOOD. NO DEFECTS NOTED AT THIS TIME. FLAPS REACTIVATED.Sep 4, 2026 · N17196 · Emb EMB145XRSDR SWAA2026083196211Sensor · indicationOTS - TRAILING EDGE FLAP ASYMMETRY, FLAP LESS THAN 1. ON FLAP INDICATOR. FLAP LOCKOUT._ R&R POSITION 8 T/E FLAP SKEW SENSOR IAW AMM 27-59-01. OPS CHECK GOOD.Aug 28, 2026 · N201LV · Boeing 7377H4SDR SWAA2026082756964Transmitter · faultedON FINAL APPROACH DURING FLAP EXTENSION, FLAP INDICATOR WAS AT FLAPS 10 WITH FLAPS LEVER AT 30. RAN THE TRAILING EDGE FLAP DISAGREE QRH CHECKLIST. USED THE ALTERNATE FLAPS SWITCH TO GET FLAPS TO 15_ NO EXISTING FAULTS ON SMYD 1 OR SMYD 2FLIGHT LEG 0 DISPLAYED Aug 26, 2026 · N8997Q · Boeing 7378SDR HNAA2026082600790Flap · faultedDURING GO AROUND GOT FLAP FAIL MESSAGE AT 1 WITH FLAPS SELECTED TO 0. R & R RT INBD FLAP IAW AMM 27-50-00-000-801-A, & 27-50-00-400-801-A. OPS CHKD GOODAug 25, 2026 · N645AE · Emb EMB145LRSDR AALA202608267931Transmitter · faultedAIRCRAFT WAS GROUNDED: FLAP WOULD NOT LOWER PAST FLAPS 2 POSITION. HAD TO MANUALLY LOWER THE FLAPS TO 15 FOR LANDING. HYDRAULIC QUANTITY NORMAL, NO CAUTIONS OR WARNINGS. T/S FLAP SYSTEM FOUND FAULT ON FSEU RT FLAP SENSOR R/R RT FLAP TRANSMITTER AS PER M/M 27-5Aug 24, 2026 · N990AN · Boeing 737823SDR DALA2026082404787Transmitter · faultedATO- APPROX 60KTS DUE TO FLAPS AURAL WARNING. REPLACED RT FLAP POSITION TRANSMITTER PER AMM 27-54-01. OPS CHECK GOOD. (8316370) (AIRCRAFT GROUNDED).Aug 23, 2026 · N939AT · Boeing 717200SDR SWIA2026081376842Limiter · trippedFLAPS FAILED ON TAKEOFF. STUCK ON FLAP 1. RAN THE QRH DID NOT FIX. (FLIGHT 5384) UPON ARRIVAL POWERED DOWN ACFT, POWERED UP WITH APU AMM 49-10-00. INTERROGATED CMC FOUND 27512014ACE. TROUBLESHOT IAW FIM 27-51-00. FOUND LT OTBD TORQUE INDICATOR LIMITER TRIPPAug 13, 2026 · N619UX · Emb ERJ170200LLSDR AALA202608130920Proximity Sensor · out of adjustAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO SAN DUE TO THE FLIGHT CREW REPORTING THAT ON APPROACH WHEN SELECTING FLAPS 2 AT ABOUT 205 KNOTS AN ECAM MESSAGE FOR FLIGHT CONTROL FLAPS LOCKED ALIGNMENT FAULT DISPLAYED - THE FLIGHT CREW PERFORMED Aug 11, 2026 · N172US · Airbus A321211SDR SWIA2026072676674Warning Message · illuminatedFLAP FAIL CAUTION MESSAGE. QRH ACTION. LANDED FLAPS 1 UNEVENTFUL. BRAKES 6996 (FLIGHT 4288) OPEN.Jul 26, 2026 · N712SK · Cndair CL6002C11SDR DALA2026072804354Warning Message · false activationDE/FCNT- DUE T/E FLAP DISAGREE MESSAGE. T/S PER FIM. INSPECTED TORQUE LIMITERS. CHECKED ADJUSTMENT OF FLAP TRANSMITTERS. RAN FLAPS THROUGH SEVERAL CYCLES. SYSTEM OPERATES NORMAL.(9207254)(AIRCRAFT GROUNDED)Jul 24, 2026 · N584NW · Boeing 757351SDR DALA2026072104271Transmitter · faultedFCNT- PERFORMED GO AROUND DUE TO TRAILING EDGE FLAP LOCKOUT. REPLACED LEFT FLAP POSITION TRANSMITTER AND FSEU. OPS CHECKED GOOD. (8713011) AIRCRAFT WAS GROUNDEDJul 21, 2026 · N899DN · Boeing 737932ERSDR SIMA20260716002Sensor · faultedFLAP FAIL ON EICAS UPON ARRIVAL INTO KLSE. RAN QRH; LANDED WITH SLAT (3)/FLAP 0. (3RD REPEAT EVENT). TROUBLESHOOTING REPEAT FLAP FAIL WITH CMC (27512009ACE) L OUTBD FLAP ACTUATOR DISCONNECTED. LH OUTBD FLAP INBD SKEW SENSOR T3 DUE CHANGE. RAR FLAP SKEW SENSOR Jul 16, 2026 · N748RR · Emb ERJ170100SESDR FDEA202607160937Transmitter · failedON APPROACH INTO LAS, SELECTED FLAPS 25 & CAPTAIN NOTICED FLAPS BECAME ASYMMETRICAL LEAVING 20. NEVER RECEIVED ANY INDICATION ON ICAS. VERIFIED DETENT OF 25. ELECTED TO GO BACK TO 20. TRIED TO CYCLE FROM 20-25 AGAIN, STILL SHOWED A FLAP ASSYM, DECLARED AN Jul 16, 2026 · N297FE · Boeing 76732LFSDR A6WA202607128899Warning Light · illuminatedDURING CLIMB RECEIVED FLAPS FAIL CAUTION OCCURRED AT FL220. FLAPS WERE NOT SELECTED FLAPS FAILED AT 0. NO IMPROPER FLAP HANDLE MOVEMENT SUSPECTED. AIRCRAFT REMOVED FROM SERVICE.Jul 12, 2026 · N410AW · Cndair CL6002B19SDR AALA202607139902Proximity Switch · faultyAIRCRAFT WAS GROUNDED: LE FLAPS TRANSIT AMBER LIGHT ILLUMINATED IN CRUISE AT FLIGHT LEVEL 380 WITH THE NR 3 LEADING EDGE SLAT ILLUMINATED ON THE OVERHEAD LE DEVICES PANEL. FOLLOWED QRH PROCEDURE. ROLL WAS ENCOUNTERED WITH DEPLOYED SLAT. MAINTENANCE REPLACED THJul 10, 2026 · N980AN · Boeing 737823SDR HNAA2026071300591Sensor · abnormalFLAP FAIL ON TAKEOFF. T/S IAW FIM 27-51-00-810-805 BLOCK DIAG 1 STEPS 1,2,3,4,20,21. R & R FLAP VELOCITY SENSOR IAW AMM 17-51-12 OPS CHECK GOODJul 9, 2026 · N649PP · Emb EMB145LRSDR P5CA2026070600024Sensor · faultedFLAPS DRIVE MSG IMMEDIATELY AFTER ROTATION BELOW 300 FT. REMOVED AND REPLACED FLAP SKEW SENSOR AND RE-SECURED CONNECTOR D25635J. OPS CHECK GOOD IAW AMM 27-51-01, AIRCRAFT OK FOR SERVICE.Jul 4, 2026 · N857GT · Boeing 74787UFSDR SWAA2026070618708Sensor · faultedON APPROACH FLAPS STUCK AT THE 10 POSITION. R & R T/E SKEW SENSOR NR 5 IAW AMM 27-59-01. OPS CHECKED GOOD. REF AHM - FLAP SKEW POSITION MARGINS TTG8Q01D16AS.Jul 4, 2026 · N444WN · Boeing 7377H4SDR AALA202607015686Sensor · inoperativeAIRCRAFT WAS GROUNDED: 210 KNOTS, DURING FLAP EXTENSION FROM 0 TO 1 A TRAINING EDGE FLAP ASYMMETRY OCCURRED AND THE FLAPS STOPPED MOVING. EMERGENCY WAS DECLARED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED FLAP SKEW SENSOR-4 T528 IAW AMM 27-59-01Jun 30, 2026 · N931NN · Boeing 737823SDR CALA2026063017477Sensor · faultedON APPROACH FLAP ASSYMETRY LESS THAN 1 DEGREE. FULL LEADING E DGE SLATS UPON TROUBLESHOOTING FOUND MAINTENANCE MESSAGE 27-52259 ON FSCU FOR TE FLAP SENSOR LEFT I REMOVED AND REPLACED LEFT FLAP POSITION SENSOR IAW AMM TASK 27-58-01-400-801 OPS CHECK GOOD.Jun 28, 2026 · N39475 · Boeing 737924ERSDR IPXA2026062990060Indicator · stuckEMERGENCY DECLARED, FLAP INDICATOR DISAGREE ,RAN QRH CHECKLIST.RT TE PLAP INDICATOR EVENTUALLY UNSTUCK REMOVED AND REPLACED FLAP INDICATOR AS PER AMM 27-58-02, OPS TEST OKJun 27, 2026 · N320UP · Boeing 76734AFSDR SWAA2026062915542Transmitter · faultedON APPROACH TE FLAP STUCK ON '1'. USED ALTERNATE FLAPS TO LOWER FLAPS TO '15'. NO BRAKE COOLING ISSUES ON LANDING. TAXING TO GATE. REMOVED LT T/E FLAP POSITION TRANSMITTER IAW AMM 27-58-01.Jun 24, 2026 · N463WN · Boeing 7377H4SDR CALA2026062517348Bulb · burned outLE FLAPS TRANSIT LIGHT ON AT FLAPS 10. LIGHT WENT GREEN AT FLAP S 15. PERFORMED OPS TEST REF FIM TASK 27-51 TASK 801 AND AMM TASK 27-81-00-860-801 , ALSO FOUND 1 L/ E FLAP TRANSIT LIGHT BULB WAS BURNED OUT AND REPLACED CYCLE THE FLAP AND SLAT FOUND NO FAULTJun 23, 2026 · N76503 · Boeing 737824SDR ABXA20260622283Flap System · warning messageTRAILING EDGE FLAP DISAGREE DISPLAYED 5 TIMES DURING THE TAXI TO TAKEOFF AND THEN WENT AWAY. CREW ABORTED TAKEOFF (ATO) AND CONFERENCED WITH THE FOO AND MX. CAPTAIN OK TO CONTINUE FLIGHT SINCE MESSAGE WASN'T PRESENT BEFORE TAKING OFF. ACFT RETURNED TO SERVICE Jun 22, 2026 · N1361A · Boeing 76731BSDR CALA2026061917197Sensor · faultedFLAPS ASYMMETRY ALT FLAPS EXTENSION FLAPS 5 LANDING FAULTS UPLOADED. REMOVED AND REPLACED NR 7 FLAP SKEW SENSOR. REF AMM 27-59-01. OPS CHECKS GOOD, NO FAULTS NOTED.Jun 17, 2026 · N17436 · Boeing 7379SDR DALA2026061803633Transmitter · faultedCREW DECLARED EMERGENCY DURING APPROACH. T/E ASSY. FOLLOWED QRH WITH UNEVENTFUL LANDING. REPLACED NBR 8 FLAP POSITION XMTR. (LP 8793004 - AIRCRAFT WAS GROUNDED)Jun 17, 2026 · N187DN · Boeing 767332SDR AALA202606156465Transmitter · inoperativeAIRCRAFT WAS GROUNDED: FLAPS WOULD NOT EXTEND PAST 1 WITH HANDLE IN 5,10,15 POSITION. DID ALTERNATE FLAP EXTENSION TO GET FLAPS TO 15 FOR NORMAL LANDING. EMERGENCY WAS DECLARED AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LH FLAP POSITION TRANSMITTER IAW Jun 13, 2026 · N342PM · Boeing 737823SDR 2026FA0000525Transmitter · faultyROUTE CBB/LPB FLIGHT 600 AIRCRAFT DIVERTED TO SLCB DUE TO TRAILING EDGE FLAP ASYMMETRY POSITION #2Jun 11, 2026 · Boeing 737800*SDR ABXA20260608249Shutoff Valve · faultedON LANDING, CREW RECEIVED FLAP/SLAT ELEC WARN STATUS MSG. PERFORMED FIM 27-51 FT 836. FOUND PREV FAULT # 27810047. CHECKED FLAP/SLAT SHUTOFF VALVE CONDITION IAW AMM 27-51-48. OPS CHECK GOOD. NO FAULTS NOTED. A/C RETURNED TO SERVICE.Jun 8, 2026 · N745AX · Boeing 767232SDR AALA202606023396Transmitter · inoperativeAIRCRAFT WAS GROUNDED: ON APPROACH TRAILING EDGE FLAPS WERE SPLIT AT FLAPS 25 AND RIGHT FLAPS BETWEEN 15 AND 25 DEGREES WITH HANDLE IN THE FLAPS 30 POSITION. QRH PROCEDURE WAS ACCOMPLISHED WITH HANDLE IN THE 15 DEGREE POSITION AND FLAPS APPROXIMATELY 15 DEGREMay 30, 2026 · N897NN · Boeing 737823SDR SWAA2026060107574Sensor · faultyTAKE OFF CONFIG WARNING ON TAKE OFF. FLAPS INDICATION SPLIT RIGHT 1/2 DEGREE HIGHER THEN LEFT. FOUND FC 27-53255 FLAP 6 SKEW. REPLACED 6 FLAP SKEW SENSOR IAW AMM 27-59-01. OPS CHECKED GOOD.May 29, 2026 · N7875A · Boeing 7377Q8SDR DXTA2026060108276Sensor · defectiveWHILE CLIMBING THROUGH FL370 WE RECEIVED FLAP OVER SPEED CLACKER WITH ASSOCIATED VMO LIMIT MESSAGE ON ATS. FLAP AND GEAR INDICATIONS APPEARED ON MFD, BUT FLAPS WERE STILL AT 0. COMPLIED WITH QRC & QRH PROCEDURES. FLAP & GEAR INDICATIONS APPEARED & DISAPPEARMay 29, 2026 · N206QS · Cndair CL6002B16SDR DALA2026052903276Sensor · malfunctionedSHIP 3735 -FCNT/DE- DECLARED EMERGENCY DUE TO FLAP ASYMMETRY ON APPROACH. MAINTENANCE REPLACED FLAP SKEW SENSOR #3 PER AMM. (LOG 8760304 - AIRCRAFT WAS GROUNDED).May 26, 2026 · N3735D · Boeing 737832SDR CALA2026052916662Sensor · intermittentDURING CRUISE, FL380. LE FLAP TRANSIT LIGHT ILLUMINATED NR 4 LE FLAP OVRHEAD LIGHT ALSO ILLUM. PERFORMED FIM 27-88 TASK 805 PERFORMED VISUAL CHECK OF F4 RETRACT SENSOR NO FAULTS FOUND PER FIM. FOUND TO BE INTERMITENT FAULT. REMOVED AND REPLACED FSEU IAW May 25, 2026 · N37290 · Boeing 737824SDR SWAA2026051803871Transmitter · out of toleranceDURING APPROACH FLAPS DID NOT GO PAST '5' WHEN HANDLE WAS MOVED TO '15'. RAN QRH ' TRAILING EDGE FLAPS DISAGREE.' CONFIGURED FOR FLAPS 15 LANDING. LANDING AND APPROACH UNEVENTFUL<[01] T/S IFIM 27-51-00-810-814 & FLAP POSITION TRANSMITTER VERIFICATION REF AMM 2May 16, 2026 · N8890Q · Boeing 7378SDR CALA2026051816338Warning Message · false activationTE FLAP DISAGREE AFTER FLAP 25 SELECTION PERFORMED OPERATIONAL CHECK OF THE TE FLAPS. OPS CHECK GOOD. REF: AMM TASK 27-51-00-715-001. PERFORMED BITE TEST OF ALL THREE FSEUS. NO PRESENT FAULTS FOUND (SEE PICTURES). REF: FIM 27-51 FAULT TREE 805.May 14, 2026 · N14106 · Boeing 757224SDR CALA2026051516295Transmitter · faultedNOTICED AT CRUISE THAT R FLAP TE IND HALF WAY BETWEEN 0 AND 1.NO LE OR TE FLAP LIGHTS ON DEBRIEF INBOUND FLT CREW, STATED FLAP HANDLE UP, AT CRUIZE THE TRAILING EDGE FLAP INDICATOR SHOW A SPLIT SEE PHOTOS. AT GATE CYCLE FLAPS WITH HYDRAULICS NEEDLES WERE MARRYMay 13, 2026 · N15710 · Boeing 737724SDR AALA202605116813Indicator · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING APPROACH NOTICED A TRAILING EDGE FLAP ASYMMETRY. AIRCRAFT EMERGENCY LANDED SAFELY AT AMA. TROUBLESHOT FLAP ASYMMETRY ISSUE PER FIM TASK 27-51-00-810-813 FOR MAINTENANCE MESSAGE 27-52259 TE FLAP SMay 10, 2026 · N826NN · Boeing 737823SDR AALA202605055844Transmitter · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FLAPS DID NOT EXTEND PAST 10 DEGREES WITH NORMAL PROCEDURE IT STOPPED AT AROUND 12 DEGREES. AIRCRAFT EMERGENCY LANDED SAFELY AT MIA. REMOVE AND REPLACED LEFT HAND FLAP POSITION TRANSMITTER. PER AMM 27-58May 4, 2026 · N915NN · Boeing 737823SDR SWIA2026050275974Control Lever · warning messageFLAP FAIL CAUTION MESSAGE, RETURNED TO FIELD QRH DID NOT CLEAR MESSAGE. (FLIGHT 3952) INTERROGATED CMC FOUND FAULT CODE 27512014ACE, TROUBLESHOT PER FIM 27-51-00-810-802-A. DETERMINED LH OUTBOARD FLAP ACTUATOR NUMBER #4 CAUSING FAULT. COMPLIED WITH TASK CARDMay 2, 2026 · N247SY · Emb ERJ170200LRSDR AALA202605013131Sensor · faultyAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING APPROACH WHEN FLAPS 1 SELECTEDNO RESPONSE FROM FLAPS. AIRCRAFT EMERGENCY LANDED SAFELY AT CLT. PERFORMED FIM TASK 27-59-00-810-804 TE FLAP SUPPORT NO. 4 SKEW PROBLEM FOR MAINTENANCE MESSAGE 27-532Apr 30, 2026 · N970AN · Boeing 737823SDR WX0A2026042932799Flap System · faulted(ACFT GROUNDED) (EMER DECLARED) DURING APPR WHEN FLAP HANDLE MOVED 15 - 30, FLAPS STOPPED AT R27, L29. FLAPS IND LOW 25 SIDE OF 30. NEXT, LE TRANSIT LIGHT ILLUMD, WITH 12 OVRHD FULL EXT LIGHTS & VISUAL CONFIRM. DURING ROLLOUT, LE FLAPS EXT ILLUMD, TRANSIT LIGApr 28, 2026 · N818NV · Boeing 7378200
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