# SDR NOCA17007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2007
- Submitted: December 14, 2007
- Operation: Air carrier
- Aircraft: [N750NA](https://openairdocs.org/aircraft/N750NA), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 26277
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Electronic Unit
- Condition: Malfunctioned
- Location: Flap/Slats
- Stage of operation: CL
- 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/NOCA17007

## Discrepancy

LEADING EDGE SLAT DISAGREE MESSAGE AIR TURNBACK INTO KWI.  FLAP/SLAT ELECTRONIC UNIT BITE (FSEU) PER FIM 27-51-00 FIG 104B UNABLE TO DUPLEATE SWAPPED FSEU NR 1 BOX P/N 285N0011-40 S/N D02243 TO NR 3 BOX POSITION S/N 2244 PER BLOCK NR 16 ALSO ACCOMPLISHED FIM 27-81-00 FIG 104 UNABLE TO DUPLICATED MSG PERFORMED THE ROLLERS LUBICATION PER MM 12-21-08/301 AND OPERATE THE SLATS AND LUBEICATED THE ROLLERS AGAIN NO CAUTION MGS DISPLAY SYSTEM TEST OK

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