# SDR FDEA2018091432525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2018
- Submitted: September 14, 2018
- Operation: Air carrier
- Aircraft: [N590FE](https://openairdocs.org/aircraft/N590FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48505
- Aircraft time: 84,540 hours, 19,383 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Sensor
- Part number: 862101
- Condition: Faulty
- Location: Le Slat
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA2018091432525

## Discrepancy

RECVD "SLAT DISAG" ALERT SHORTLY AFTER TAKE OFF, CONFIG FLAPS 10, SLAT EXT, GEAR DOWN. "SLAT DISAG"  WENT AWAY W/ FLAPS UP. "SLAT DISAG" CAME BACK ON  WHEN CONFIG W/ SLATS EXT & FLAPS 10.  DECLARED EMERGENCY / LANDED W/ SLATS RET &  FLAPS 28. REPLACED RIGHT SLAT SENSOR 4B.

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