# SDR CALA2026011212886

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2026
- Submitted: January 12, 2026
- Operation: Air carrier
- Aircraft: [N61881](https://openairdocs.org/aircraft/N61881), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42200
- Aircraft time: 33,383 hours, 12,364 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Flap System
- Condition: Warning Light
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026011212886

## Discrepancy

LE FLAPS TRANSIT LIGHT  ILLUMINATED JUST BEFORE  TOP OF DES.AIRS PEED DECA Y AND RIGHT ROLL. PERFORMED FSEU BITE REF FIM 27-88 TASK 801 FAULT NOTED "F1 PROX RETRACT - MSG# 27-81216". T/S REF FIM 27-88 TASK 805 PERFORMED FAULT ISOLATION PROCEDURES UP TO PARAGRAGH F(1)(F). PROX SENSORS F1-F4 READS AS IT SHOULD IN RETRACTED AND EXTENDED POSITION. CYCLED FLAPS FEW TIMES OPS CHECK GOOD. NO 30 DAY HISTORY NOTED.

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