# SDR AALA200803035

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2008
- Submitted: February 4, 2009
- Operation: Air carrier
- Aircraft: N685AA
- Make and model: Boeing 757223
- Aircraft serial: 25342
- Aircraft time: 51,496 hours
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Switch
- Condition: Inoperative
- Location: Le Slat
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA200803035

## Discrepancy

MCO REPEAT.  UPON SELECTING FLAPS 1 RECEIVED LEADING EDGE SLAT DISAGREE.  LANDED MCO USING ALTERNATE FLAPS WITHOUT INCIDENT.  REPLACED LEADING EDGE SLAT ALTERNATE ARM SWITCH.  REPLACED NR 1 FLAP SLAT ELECTRONIC UNIT.  SYSTEM GROUND CHECKED NORMAL OPS.

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