# SDR CALA2026091819537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2026
- Submitted: September 18, 2026
- Operation: Air carrier
- Aircraft: [N39297](https://openairdocs.org/aircraft/N39297), registered now
- Make and model: Boeing 737824
- Aircraft serial: 34003
- Aircraft time: 59,584 hours, 21,959 cycles
- Engine: Cfmint CFM567B262
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Fseu
- Part number: 285A12002
- Part serial: F04281
- Condition: Faulted
- Part time: 42,833 hours, 15,599 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026091819537

## Discrepancy

CREW REJECTED TAKEOFF DUE TO A SLAT TRANSIT LIGHT.  CREW REPORTED RTO WAS AT 138KTS, MAX REVERSE, 157300LBS AND OAT 13C.TOMC SMITH UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK.   INVESTIGATE AND REPORT FINDINGS TO TOMC 847-700-9980 UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK.   INVESTIGATE AND REPORT FINDINGS TO TOMC 847-700-9980 PERFORMED FSEU BITE PROCEDURE REF FIM TASK 27-51 TASK 801. NO EXITING FAULTS, FAULT HISTORY LAST LEG REVEALED MAIN MSG 27-81230 SL7 PROX RETRACT. REF FIM TASK 27-88 TASK 808 MEASURED RESISTANCE BETWEEN PINS F14 AND F15 OF CONNECTOR D728A AT THE  E1-1 SHELF FOR FSEU. RESISTANCE FOUND AT 34.7 OHMS,FSEU NEEDS REPLACED. REMOVED AND REPLACED FSEU REF AMM 27-51-04.  R & R SLAT 7 RETRACT PROX SENSOR IAW AMM 27-88-11-400-801, TEST PASSED IAW AMM 27-88-11-400-801 PERFORMED BITE CHECK OF THE FSEU REF FIM 27-51 TASK 801.  NO FAULTS.

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