# SDR CALA2021110302029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2021
- Submitted: November 3, 2021
- Operation: Air carrier
- Aircraft: [N64844](https://openairdocs.org/aircraft/N64844), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 42184
- Aircraft time: 21,421 hours, 7,639 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Switch
- Condition: Failed
- Location: K Flap System
- 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/CALA2021110302029

## Discrepancy

LE FLAPS TRANSIT LIGHTS   ON CRUISING AT 370 FOUND #3 L/E FLAP "KRUGER" EXTEND SWITCH REF IPC 27-88-11-01 ITEM #80 & #130 FAILING. REMOVED & REPLACED BOTH REF AMM 27-88-11. OPS CHK GOOD.

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