# Service difficulty reports: JASC 2781

A list on [JASC 2781](https://openairdocs.org/jasc/2781.md).

Reports filed under 2781 · Leading Edge Slat Position Indicating System, newest first.

Page 1 of 28 · 1,398 reports

- [SDR ABXA20260922428](https://openairdocs.org/sdr/ABXA20260922428.md): Proximity Sensor · defective · Sep 22, 2026 · N767AX · Boeing 767281
  > LE SLAT ASSYM APPEARED ON ARRIVAL. CREW DECLARED EMERGENCY (EDC) & LANDED WITHOUT INCIDENT. PERFORMED PSEU BITE TEST IAW FIM 32-09 FAULT TREE 803, PSEU FAULTED TARGETS FOR 278 (LE SLAT LEFT 3 O/B) & 301 (LE SLAT RIGHT I/B) CHECKED SWITCH/TARGET CLEARANCE IAW A
- [SDR IPXA2026092264312](https://openairdocs.org/sdr/IPXA2026092264312.md): Warning Message · false activation · Sep 22, 2026 · N322UP · Boeing 76734AF
  > EMERGENCY DECLARED ON APPROACH TO LANDING. FLAPS 25 SELECTED AND LE-SLAT DISAGREE EICAS CAME ON. TROUBLESHOT IAW FIM 27-51 FT 808, NO FAULTS NOTED. EXTENDED AND RETRACTED SLATS/FLAPS IAW AMM 27-81-00. OPS CHECKED GOOD.
- [SDR DALA2026091605168](https://openairdocs.org/sdr/DALA2026091605168.md): Fseu · faulted · Sep 13, 2026 · N583NW · Boeing 757351
  > CREW DECLARED EMERGENCY ON APPROACH DUE TO LE ASSYM MESSAGE OCCURRING AFTER TAKEOFF AS FLAPS/SLATS WERE RETRACTED. FLIGHT CONTROLS WERE NORMAL FOR DURATION OF FLIGHT. ADJ LT SLAT POSITION TRANSMITTER. CONDUCTED WIRING CHECKS, HANDLE RIG CHECK AND CONDUCTED C
- [SDR DALA2026090805021](https://openairdocs.org/sdr/DALA2026090805021.md): Pseu · faulted · Aug 30, 2026 · N194DN · Boeing 767332
  > FCTL, GO AROUND DURING APPROACH INTO HNL DUE TO LE ASSYM EICAS MESSAGE. QRH C/W AND A/C LANDED WITHOUT COMPLICATION. R & R S284 (NR 3 O/B) AND ADJUSTED TARGET. R & R PSEU.(9145377)(AIRCRAFT GROUNDED)
- [SDR AALA202608262383](https://openairdocs.org/sdr/AALA202608262383.md): Proximity Sensor · faulted · Aug 24, 2026 · N920AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: IMMEDIATELY AFTER TAKEOFF RECEIVED LE EDGE FLAP TRANSIT LIGHT. HIGH SPEED AND LOW SPEED AWARENESS TAPES APPEARED. PLI CAME DOWNWITH FLAPS 1 AND AIRSPEED BETWEEN 158. FIRST OFFICER NOTICED A SLIGHT STICK SHAKER MOMENTARILY. EVEN WHEN LOWE
- [SDR DALA2026082504820](https://openairdocs.org/sdr/DALA2026082504820.md): Proximity Sensor · faulted · Aug 22, 2026 · N929DZ · Boeing 737932ER
  > ATO- APPROX 110KTS DUE TO TAKEOFF WARNING AND LEADING EDGE FLAP TRANSIT ANNUNCIATION.: REPLACED #4 SLAT O/B PROX SENSOR. OPS CHECK GOOD. (9568094) AIRCRAFT WAS GROUNDED
- [SDR FDEA202608141125](https://openairdocs.org/sdr/FDEA202608141125.md): Slat System · asymetric · Aug 14, 2026 · N912FD · Boeing 75728A
  > LE SLAT ASYM. COMPLIED WITH THE QRH. EMERGENCY DECLARED. TROUBLSHOT THE LE SLAT SYSTEM AND FOUND A SINGLE TORQUE TUBE COUPLING DICONNECTED ON THE RT WING. POSITION IS OTBD OF THE RT ANGLE GEARBOX & FIRST ROTARTY ACTUATOR, ACCESS PANEL 611DB IAW MM 27-81-
- [SDR CALA2026080718349](https://openairdocs.org/sdr/CALA2026080718349.md): Proximity Sensor · faulted · Aug 6, 2026 · N17467 · Boeing 7379
  > LE FLAPS TRANSIT LIGHT AT FL37000 AND SMOOTH WOULD NOT CLEAR POST NON NORMAL CHKLIST CHECKED INBOUND FLT DECK EFFECTS, FOUND MAINT MESSAGE 27-81220 LATCHED.IAW FIM 27-81 TASK 826. VERIFIED CB'S CLOSED. MAINT MESSAGE 27-51101 NOT PRESENT IN EXISTING FAULTS. P
- [SDR DALA2026080604564](https://openairdocs.org/sdr/DALA2026080604564.md): Proximity Sensor · faulted · Aug 5, 2026 · N371DA · Boeing 737832
  > EMERGENCY DECLARED & DIVERTED TO JFK FOR LONGER RUNWAY DUE TO LEADING EDGE IN TRANSIT LIGHT ON APPROACH TO LGA. REPLACED NR1 SLAT INBD PROXIMITY SENSOR S995. OPS CHKD GOOD. (9084300) AIRCRAFT WAS GROUNDED
- [SDR CALA2026080418257](https://openairdocs.org/sdr/CALA2026080418257.md): Warning Message · false activation · Aug 3, 2026 · N17467 · Boeing 7379
  > LE EDGE FLAP TRANS LGT APX 14000FT. 271KTS STAYED ON UNTIL BELOW 220KTS. ONE LIGHT ON. LATCHED MSG: 27-81220; LE FLAP 3 RETRACT SENSOR SIGNAL DOES NOT AGREE WITH OTHER LE EDGE RETRACT SENSOR SIGNALS. MSG 27-81220. T/S IAW FIM 27-81 TASK 826. PERFORMED GVI OF
- [SDR AALA202608038448](https://openairdocs.org/sdr/AALA202608038448.md): Pickup · faulted · Jul 31, 2026 · N576UW · Airbus A321231
  > AIRCRAFT WAS GROUNDED: AN EMEREGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DEN DUE TO THE FLIGHT CREW REPORTING THAT AT FL340 SMOOTH AIR AT MACH 77 FLAP LEVER AT ZERO GOT MASTER WARNING VFE EXCEEDED MAX SPEED 235. FLIGHT CREW DECENDED TO COMPLY WITH RESTR
- [SDR IPXA2026071787701](https://openairdocs.org/sdr/IPXA2026071787701.md): Warning Message · false activation · Jul 16, 2026 · N327UP · Boeing 76734AF
  > EMERGENCY DECLARED AFTER LANDING UPON FLAP/SLAT RETRACTION RECEIVED LE SLAT DISAGREE EICAS AND LE SLAT SHUTDOWN STATUS MESSAGES FLAPS INDICATED 1. RESET MESSAGES AND CYCLED FLAPS/SLATS. MSG NO LONGER DISPLAYED AND FLAPS AND SLATS EXTEND AND RETRACT, DID BITE
- [SDR CALA2026072017892](https://openairdocs.org/sdr/CALA2026072017892.md): Sensor · faulted · Jul 15, 2026 · N73251 · Boeing 737824
  > CREW REPORTS LEADING EDGE FLAP TRANSIT LIGHT AFTER TAKEOFF. OVERHEAD INDICATOR FOR NR 3 LEADING EDGE FLAP INDICATING NOT RETRACTED. FOLLOWED FIM 27-88 TASK 820 AND COMPLETED FSEU BITE CHECK, PASSED. LOOKED AT PREVIOUS FAULT HISTORY LEG 0 HISTORY SHOWS F3 PROX
- [SDR AALA202607179851](https://openairdocs.org/sdr/AALA202607179851.md): Flap System · fault message · Jul 15, 2026 · N341TR · Boeing 7378
  > AIRCRAFT WAS GROUNDED: LE FLAPS TRANSIT AMBER LIGHT ILLUMINATED UPON SELECTION OF 30 FLAPS. COMPLETED QRH PROCEDURE AND LANDED AT FLAPS 15 WITH GREEN LE FLAPS LIGHT. ON CLEAN-UP, LE FLAPS TRANSIT AMBER LIGHT CAME BACK ON. VISUAL CONFIRMATION OF SLATS PARTIALLY
- [SDR CALA2026070617558](https://openairdocs.org/sdr/CALA2026070617558.md): Sensor · faulted · Jul 2, 2026 · N37290 · Boeing 737824
  > LE FLAPS TRANSIT NO.4 LE DEVICE IN TRANSIT. PERFORMED FSEU BITE. GOT MESSAGE FOR MOST RECENT FLIGHT F4 PROX RETRACT MM 27-81222. REF FIM 27-88 TASK 805, CHECKED CURRENT STATUS OF F4 RETR PROX SWITCH SHOWED NEAR. HISTORY OF THIS MESSAGE ON MULTIPLE FLIGHT LEGS
- [SDR DALA2026062903833](https://openairdocs.org/sdr/DALA2026062903833.md): Actuator · faulty · Jun 27, 2026 · N67171 · Boeing 757232
  > DE- DUE TO SLAT DISAGREE ON APPROACH. TROUBLESHOT, R & R L/E SLAT ROTARY ACTUATORS NR 5, 10, 20. (8433306) AIRCRAFT WAS GROUNDED.
- [SDR IPXA2026060263875](https://openairdocs.org/sdr/IPXA2026060263875.md): Slat System · warning message · Jun 2, 2026 · N371UP · Boeing 767300
  > EMERGENCY DECLARED, LE SLAT DISAGREE EICAS MESSAGE WHEN FLAPS SELECTED ON APPROACH TO 25. PERFORMED QRH PROCEDURE ACCOMPLISHED FIM FLAP/SLAT ELECTRONIC UNIT BITE PROCEDURE 27-51 FAULT TREE 809 NO FAULTS NOTED. RAN FLAPS THRU FULL RANGE 5 TIMES. NO FAULTS OR E
- [SDR DALA2026060203356](https://openairdocs.org/sdr/DALA2026060203356.md): Fseu · faulted · Jun 2, 2026 · N379DA · Boeing 737832
  > -FCNT/DE- DECLARED EMERGENCY DUE TO #1 LEADING EDGE TRANSIT LIGHT ILLUMINATED AT FLAPS 5. FSEU FAULT CODE 27-81201 (SL1 PROX INBOARD) RECORDED. REPLACED #1 INBOARD SLAT SENSOR S995. OPS CHECK GOOD. (LOG 8610076 - AIRCRAFT WAS GROUNDED).
- [SDR ABXA20260525223](https://openairdocs.org/sdr/ABXA20260525223.md): Sensor · out of adjust · May 25, 2026 · N227CY · Boeing 767316
  > EICAS MSG LE FLAP ASYM FLAP INDICATOR STOPPED BETWEEN 1 AND UP. A/C THEN PERFORMED AIR TURN BACK (ATB) TO FIELD AND LANDED. MTX GROUNDED A/C AND TROUBLESHOT AND FOUND #4 SLAT SENSOR "S279" OUT OF ADJUSTMENT. PLACED SENSOR BACK TO CORRECT INDUCTANCE RANGE, REF
- [SDR DALA2026052503146](https://openairdocs.org/sdr/DALA2026052503146.md): Control Unit · faulted · May 23, 2026 · N688DL · Boeing 757232
  > FCNT/DE - DUE TO L/E SLAT ASYM MESSAGE. R & R FSEU AND R & R BROKEN TORQUE TUBE. (8673898) AIRCRAFT WAS GROUNDED
- [SDR DALA2026051903082](https://openairdocs.org/sdr/DALA2026051903082.md): Switch · malfunctioned · May 16, 2026 · N686DA · Boeing 757232
  > ATB/DE- DUE TO L/E SLAT ASYM DURING FLAP RETRACTION AFTER TAKEOFF. REPLACED LEFT OUTBOARD SLAT LOSS SWITCH AND CORRECTED SLAT LOSS CABLE ANCHOR ORIENTATION. (6592478) AIRCRAFT WAS GROUNDED
- [SDR CALA2026042415686](https://openairdocs.org/sdr/CALA2026042415686.md): Proximity Sensor · faulted · Apr 23, 2026 · N17405 · Boeing 7379
  > LEADING EDGE FLAP TRANSIT LT W/ FLAPS 30 SELECTED. REPEAT GRIPE. LOCKING FOR POSITIVE REPAIR LATCHED MESSAGE. CHECKED FAULT HISTORY FOR FLIGHT CONTROLS REF AMM TASK 46-13-02-700-806, FOUND MAINTENANCE MESSAGE 27-81219 PER FIM 27-81 TASK 825, S171 LE FLAP 2 E
- [SDR IXXA20260421036](https://openairdocs.org/sdr/IXXA20260421036.md): Warning Message · false activation · Apr 21, 2026 · N311AZ · Boeing 767338
  > LEADING EDGE SLAT DISAGREE EICAS MESSAGE IN THE AIR AFTER MOVING FLAP LEVER TO 1. AIR TRAFFIC CONTROL DECLARED EMERGENCY ON BEHALF OF THE FLIGHT CREW. AIRCRAFT LANDED WITHOUT INCIDENT AND WAS GROUNDED FOR INSPECTION AND MAINTENANCE. COMPLIED WITH B767 FIM 27-8
- [SDR AALA202604086577](https://openairdocs.org/sdr/AALA202604086577.md): Indicator · faulted · Apr 7, 2026 · N914AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING APPROACH ATTEMPTED TO EXTEND FLAPS TO 5 DEGREES, HOWEVER THE INDICATOR WAS STUCK AT 2 DEGREES. AIRCRAFT EMERGENCY LANDED SAFELY AT DFW. PARTIAL WORK ACCOMPLISHED LEADING EDGE FLAP AND SLAT SYSTEM
- [SDR SIMA20260305001](https://openairdocs.org/sdr/SIMA20260305001.md): Sensor · faulted · Mar 5, 2026 · N299JJ · Emb ERJ170200LR
  > SLAT FAIL INDICATION ON APPROACH. FOLLOWED QRH, FLAP FAIL INDICATION REMAINED "TRANSFERRED TO NRWC 099-DFW-03224 ITEM-1" RAR SLAT O/B SKEW SENSOR # 3/4 IAW AMM 27-83-01. OPS CK GOOD.
- [SDR DALA2026030501540](https://openairdocs.org/sdr/DALA2026030501540.md): Sensor · out of adjust · Mar 4, 2026 · N192DN · Boeing 767332
  > GO AROUND DURING APPROACH INTO LAX DUE TO LE ASSYM EICAS MESSAGE. QRH C/W AND A/C LANDED WITHOUT COMPLICATION. ADJUSTED SENSOR S286. REPLACED PSEU. REPLACED SENSOR S284 AND REPAIRED SPLICE. ALL OPS NORMAL.(76856878)
- [SDR IPXA2026030567301](https://openairdocs.org/sdr/IPXA2026030567301.md): Indicator · damaged · Feb 24, 2026 · N631UP · Boeing 7478F
  > NUMBER 17 LEFI DAMAGED. GVI CHECKED FLAP ADJUSTMENT IAW AMM 27-81-00-825-012, ALL CLEARANCES WITHIN LIMITS COMPLETED INSTALLATION OF NR 17 VCF IAW AMM 27-81-02-404-010 UP TO AND INCLUDING SUBTASK 27-81-02-420-003, PARA 3.D.(6).
- [SDR ABXA20260221076](https://openairdocs.org/sdr/ABXA20260221076.md): Warning Message · false activation · Feb 21, 2026 · N1499A · Boeing 767328
  > LE SLAT DISAGREE EICAS CAUTION AND LIGHT ON GO AROUND DUE TO HIGH WINDS ACFT THEN LANDED WITH NO OTHER COMPLICATIONS MTX GROUNDED ACFT AND C/W FIM 27-81 FT 808 NO MESSAGE ON BITE OF PSEU AND FSEU C/W OPERATIONAL CHECK OF FLAP/SLAT SYSTEM IAW 27-81-00 OPS TEST
- [SDR CALA2026020313531](https://openairdocs.org/sdr/CALA2026020313531.md): Sensor · faulty · Jan 31, 2026 · N68834 · Boeing 737924ER
  > PER CREW VERBAL: NR 3 SLAT IND INTERMITTANT, BOTH OVERHEAD & FWD PANEL LIGHTS. CREW DEBRIEF, LANDING WEIGHT WITHIN LIMITS. PILOT STATED: L/E FLAP TRANSIT ON DEPARTURE MOMENTARLY, FLAPS CLEAN, RETRACTED. DURING CRUISE LE FLAP TRANSIT LIGHT ILLUMD. OVERHEAD N
- [SDR ABXA20260120021](https://openairdocs.org/sdr/ABXA20260120021.md): Target · out of adjust · Jan 20, 2026 · N764CK · Boeing 7673P6
  > DURING TAXI OUT, LE SLAT ASYM EICAS MESSAGE ILLUMINATED. A/C RETURNED TO BLOCKS (BTB). MEG CHECKED AND VERIFIED INDUCTANCE OF PROX SWITCH S305.. ADUSTED GAP TO TARGETS REF B767 AMM 27-22-01. SLAT FUNCTIONS AND INDICATIONS NORMAL, REF B767 AMM 27-22-01. AI
- [SDR DALA2026010700132](https://openairdocs.org/sdr/DALA2026010700132.md): Warning Message · illuminated · Jan 4, 2026 · N842MH · Boeing 767432ER
  > FCTL- MISSED APPROACH WITH GO AROUND INTO MAD DUE TO LE DISAGREE EICAS MESSAGE. CREW C/W QRH AND LANDED WITHOUT INCIDENT. TS PER FIM AND OPS CK SYS. A/C RTS.(7573844)
- [SDR SCNA20260105006](https://openairdocs.org/sdr/SCNA20260105006.md): Proximity Sensor · malfunctioned · Jan 3, 2026 · N5237A · Boeing 737800*
  > RED TAKEOFF CONFIG LIGHT AND TAKE OFF WARNING DURING TLCC WITH FLAPS 5 AND CONFIGURED FOR TAKEOFF NR 1 LEADING EDGE FLAP TRANSIT LIGHT DURING EXTENSION OR RETRACTION. R & R NR 1 KRUGER FLAP NR 1 PROX SENSOR IAW AMM 27-88-11-400-802. OPS CHECKED, LIGHTS OPERA
- [SDR DALA2026010200003](https://openairdocs.org/sdr/DALA2026010200003.md): Warning Message · false activation · Jan 1, 2026 · N340NW · Airbus A320212
  > DIVERTED TO PSM DUE TO A SLATS SYS 2 FAULT WITH A SLATS LOCKED MESSAGE ON APPROACH TO BOS. SLATS HAD JUST STARTED TO EXTEND. NO TROUBLE FOUND. REPLACED SFCC 2 AS A PRECAUTION.
- [SDR DALA2025123109543](https://openairdocs.org/sdr/DALA2025123109543.md): Actuator · tripped · Dec 31, 2025 · N698DL · Boeing 757232
  > FCNT/DE- DUE TO LEADING EDGE DISAGREE ON APPROACH. CORRECTIVE ACTION: #6 INBOARD AND OUTBOARD SLAT ROTARY ACTUATOR FOUND TRIPPED. R/R #6 INBD AND OTBD SLAT ROTARY ACTUATORS.
- [SDR CALA2025123012550](https://openairdocs.org/sdr/CALA2025123012550.md): Sensor · faulted · Dec 28, 2025 · N47293 · Boeing 7378
  > LE FLAPS AMBER LIGHT INTERMITENTLY ON AND OFF IN CRUISE FL 340 MACH.7 90 CREW ADV DID NOT LAND OVERWEIGHT. REMOVED ACCESS PANELS 621YB FOR MX PER FIM 57-41-02 REMOVED AND REPLACE # 8 LE SLAT SENSOR S1008. REF AMM 27-88-11. OPS CK. REPLACED ACCESS PANEL 621Y
- [SDR AALA202512175969](https://openairdocs.org/sdr/AALA202512175969.md): Sensor · faulty · Dec 16, 2025 · N955AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFTER TAKEOFF WHEN FLAPS WERE RETRACTED THE LEADING EDGE FLAPS TRANSIT LIGHT REMAINED ILLUMINATED AND THE NUMBER 2 SLAT TRANSIT LIGHT REMAINED ON. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DF
- [SDR ABXA20251214334](https://openairdocs.org/sdr/ABXA20251214334.md): Warning Message · false activation · Dec 14, 2025 · N219CY · Boeing 767383
  > LE SLAT DISAGREE CAUTION MESSAGE ON SHORT FINAL, AFTER LANDING MTX.PERFOMED L.E.S OPERATIONAL CHECK WITH HYDS. AND ELECTRCAL POWER IAW AMM 27-81-00. ALL FOUND NORMAL AT THIS TIME. MTX RETURNED AC TO SERVICE
- [SDR DALA2025120408860](https://openairdocs.org/sdr/DALA2025120408860.md): Sensor · inoperative · Dec 3, 2025 · N3746H · Boeing 737832
  > DECLARED EMERGENCY INTO ORD DUE TO LEADING EDGE TRANSIT INDICATION. REPLACED FSEU AND CHECKED PERFORMED WIRING CHECKS. OPS CHECK GOOD.
- [SDR IPXA2025120337341](https://openairdocs.org/sdr/IPXA2025120337341.md): Warning Message · false activation · Dec 3, 2025 · N308UP · Boeing 76734AF
  > EMERGENCY DECLARED, LE SLAT ASYM AT FL 340 FOUND LE SLAT ASYM EICAS MSG AND LEADING EDGE LIGHT ON, PERFORMED PSEU BITE IAW FIM 27-51 FAULT TREE 803 REV.146, FOUND NO ACTIVE FAULTS, FOUND AT LAST LEG REPORT INTERMITTENT FAULT MSG NO.27-81021 / LE OTBD ASYM, PER
- [SDR SWAA2025120140303](https://openairdocs.org/sdr/SWAA2025120140303.md): Proximity Sensor · faulted · Nov 27, 2025 · N8513F · Boeing 7378H4
  > LEADING EDGE DEVICE EXTENDED ON ITS OWN AT FL 370 MACH.79. PERFORMED LEADING EDGE FLAP/SLAT OPS TEST IAW 27-88-00-700-801; ALSO TASK 27-81-00-803 FLAP/SLAT TEST NOTE NR 1 KRUGER RETRACT SENSOR R & R.
- [SDR K11A2025112500360](https://openairdocs.org/sdr/K11A2025112500360.md): Warning Light · false activation · Nov 25, 2025 · N335CK · Boeing 7373Y0
  > LEADING EDGE FLAPS TRANSIT LIGHT WOULD NOT EXTINGUISH IN FLIGHT. PERFORMED OPS CHECK OF LEADING EDGE FLAP AND SLAT POSITION INDICATING SYSTEM IAW AMM 27-88-00-215-013. OPS CHECK GOOD AT THIS TIME. FAULT CLEARED AIRCRAFT OK FOR SERVICE.
- [SDR SWAA2025102727936](https://openairdocs.org/sdr/SWAA2025102727936.md): Sensor · faulty · Oct 23, 2025 · N263WN · Boeing 7377H4
  > LE FLAPS TRANSIT AT FLAPS 10 AND BEYOND. ALL LE DEVICES APPEARED EXTENDED; NO ASYMMETRY WAS DETECTED NOR ANY SKEW. PERFORMED BYTE CHECK, FOUND FAULT 27-81215. SLAT 8 INBD SENSOR FAULTY PER FIM 27-88 TASK 804. R AND R S8 INBD SENSOR PER AMM 27-88-11. OPS CHK
- [SDR DALA2025101307472](https://openairdocs.org/sdr/DALA2025101307472.md): Ecu · inoperative · Oct 12, 2025 · N824DN · Boeing 737932ER
  > FCNT/DE- DECLARED EMERGENCY DUE TO LEADING EDGE FLAP TRANSIT LIGHT. FLAPS LOCKED OUT. PERFORMED FLAPS UP LANDING. PERFORMED FSEU BITE CHECK. FAULT HISTORY FSEU FAIL. REPLACED FSEU ON LOG PAGE 1247184 AND PERFORMED FLAP SYSTEM OPERATIONAL TEST. OPS CHECK GOOD
- [SDR SCNA20251010404](https://openairdocs.org/sdr/SCNA20251010404.md): Flap System · faulted · Oct 9, 2025 · N5153 · Boeing 73783N
  > DURING APRROCH THE LE FLAP TRANSIT LIGHT STAYED AMBER WITH FLPAS SET TO 5 LE DEVICE IDIACTION ON OVERHEAD REMAINED GREEN RAN QRH. PERFOMRED FSEU BITE NO CURENT FAULTS MX MESSAGE IN FAULT HISTORY 27-81216. F1 PROX RETRACT. PERFOMRED FIM 27-88 TASK 805 REPAIR C
- [SDR FDEA202510031878](https://openairdocs.org/sdr/FDEA202510031878.md): Sensor · illuminated · Oct 3, 2025 · N168FE · Boeing 7673S2F
  > LE SLAT ASYM EICAS, LEADING EDGE LIGHT. ON APPROACH AT 160 KTS SELECTING FLAPS 30 FOR LANDING. G/A TO COMPLETE QRH. LANDED RWY 36C IAW QRH. TAXI IN FLAPS DOWN. EMERGENCY DECLARED. INSTALLED SLAT PROX SENSOR, ALL OPS AND RIG CHECKS ARE GOOD. REF MM 27-88
- [SDR SWAA2025092417727](https://openairdocs.org/sdr/SWAA2025092417727.md): Proximity Sensor · faulted · Sep 24, 2025 · N431WN · Boeing 7377H4
  > FL370 LE FLAPS TRANIT LIGHT ILLUMINATED #2 SLAT POSITION PERFORMED QRH PROCEDURE BELOW FL200. LIGHT STAYED ON; PERFORMED. F15 LANDING NO FLAP LOCKOUT NORMAL LNDG. REPLACED #2 LEADING EDGE SLAT PROXIMITY SENSOR IAW 27-88-11. OPS CHECKS GOOD.
- [SDR CALA2025091508918](https://openairdocs.org/sdr/CALA2025091508918.md): Proximity Sensor · faulted · Sep 11, 2025 · N78509 · Boeing 737824
  > LE FLAPS TRANSIT LIGHT CAME ON SELECTING FLAPS TO 30. FAULT CODES CHECKED. REMOVED AND REPLACED SLAT NR 1 INBD PROXIMITY SENSOR. ME 29-2762-3-0093 REF TASK 27-88 TASK 804, REMOVAL TASK 27-88-11-000-801, INSTALLED TASK 27-88-11-400-801. TYPE OF REPAIR (SPL
- [SDR AALA202508259181](https://openairdocs.org/sdr/AALA202508259181.md): Target · damaged · Aug 17, 2025 · N950AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: LEADING EDGE FLAPS WERE RAISED BUT THE FLAPS TRANSIT LIGHT REMAINED ILLUMINATED, RECYCLE FLAPS DID NOT HELP. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT LAX. REMOVED AND REPLACED OUTBOARD SLAT
- [SDR AALA202508256316](https://openairdocs.org/sdr/AALA202508256316.md): Sensor · faulted · Aug 17, 2025 · N950AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: LEADING EDGE FLAPS WERE RAISED BUT THE FLAPS TRANSIT LIGHT REMAINED ILLUMINATED, RECYCLE FLAPS DID NOT HELP. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT LAX. REMOVED AND REPLACED OUTBOARD SLAT
- [SDR AALA202508117635](https://openairdocs.org/sdr/AALA202508117635.md): Proximity Sensor · failed · Aug 8, 2025 · N928AN · Boeing 737823
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFTER TAKEOFF AND FLAPS COMING UP, LEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. ACCOMPLISHED BITE ON FSEU FOUND F4 PROXIMITY SENSOR MX MESSAGE

Next page: https://openairdocs.org/jasc/2781/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/jasc/2781/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.