# SDR CALA2026020313531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2026
- Submitted: February 3, 2026
- Operation: Air carrier
- Aircraft: [N68834](https://openairdocs.org/aircraft/N68834), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 44564
- Aircraft time: 33,765 hours, 12,451 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Sensor
- Condition: Faulty
- Location: Nr 3 Slat
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026020313531

## Discrepancy

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 NR 3 SLAT SHOWED IN TRANSIT. ACFT DIVERTED TO IAH. IN DESCENT TO IAH LE FLAP TRANSIT WENT OUT.  PERFORMED BITE OF FSEU REF FIM 27-51,TASK 801 FAULT SHOWN 27-81205, INTERMITTENT, SLAT 3 PROX INBD.  PERFORMED FIM 27-88-804, FOUND L/E INBD SENSOR S999 WITH EXTENSIVE HISTORY.  ALL INPUTS TO FSCU FROM PROX SENSOR AT DIFFERENT SLAT POSITIONS WERE GOOD & ALL WIRING CHKD GOOD. AS A PERCAUTION R & R SENSOR S999 IAW AMM 27-88-11.  OPS CHKD GOOD.  OK TO CONTINUE

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