# SDR DALA2022010600108

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2022
- Submitted: January 6, 2022
- Operation: Air carrier
- Aircraft: [N179DN](https://openairdocs.org/aircraft/N179DN), registered now
- Make and model: Boeing 767332
- Aircraft serial: 25144
- Aircraft time: 135,747 hours, 19,623 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Proximity Sensor
- Condition: Faulted
- Location: Le Slat Sys
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022010600108

## Discrepancy

SHIP 0179 -MISC/DE- EICAS MESSAGE "LE SLAT ASYM" DISPLAYED WITH ASSOCIATED LIGHT WHEN FLAPS 25 SELECTED DURING APPROACH. CREW DECLARED EMERGENCY, PERFORMED A GO AROUND, C/W QRH AND LANDED. CORRECTIVE ACTION: REPLACED PROXIMITY SWITCH ELECTRONICS UNIT (PSEU).

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