# SDR SWAA2023062971694

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2023
- Submitted: June 29, 2023
- Operation: Air carrier
- Aircraft: [N477WN](https://openairdocs.org/aircraft/N477WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33988
- Aircraft time: 63,617 hours, 37,924 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Sensor
- Part number: UNKNOWN
- Condition: Intermittent
- Location: Zn 200 Fus Top
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023062971694

## Discrepancy

INTERMITENT LE FLAP TRANSIT LIGHT AND OVHD LE DEVICE PANEL #4 LE FLAP LIGHT INTERMITENT. CYCLED FLAPS TO 1 AND BACK AS PART OF THE QRH PROCEDURE. LIGHTS CONTINUES TO CYCLE. NO ASSEMETRY OR ROLL NOTED.<[01] REMOVED & REPLACED LE FLAP #4 RETRACT SENSOR (S174) PER AMM 27-88-11. ALL OPS CHECKS NORMAL. REF [TTG8Q00LV1YS] FOR CORRECTIVE ACTION.

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