# SDR SWAA2022041694534

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2022
- Submitted: April 18, 2022
- Operation: Air carrier
- Aircraft: N7840A
- Make and model: Boeing 737*
- Aircraft serial: 30236
- Aircraft time: 60,756 hours, 37,799 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Proximity Sensor
- Condition: Failed
- Location: #3 Slat Ob
- Stage of operation: TO
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022041694534

## Discrepancy

AFTER TAKEOFF #3 LEADING EDGE SLAT WOULD NOT RETRACT. / [01] FLAP/SLAT ELECTRONICS UNIT BITE SHOWS F/C 27-81204 SL3 PROX OUTBOARD; #3 SLAT OUTBD. PROX. SENSOR SHOWS TARGET NEAR WHEN TARGET FAR; PERFORMED FIM 27-88 TASK 803; REPLACED #3 SLAT OUTBD. PROX. SENSOR IAW AMM 27-88-11.

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