# SDR AALA2009042700002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2009
- Submitted: June 30, 2009
- Operation: Air carrier
- Aircraft: [N610AA](https://openairdocs.org/aircraft/N610AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 24486
- Aircraft time: 62,746 hours, 22,525 cycles
- System (JASC): [2782 · Leading Edge Slat Actuator](https://openairdocs.org/jasc/2782)
- Part: Rotary Actuator
- Condition: Malfunctioned
- Location: Le Slat
- 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/AALA2009042700002

## Discrepancy

SFO - UPON RETRACTING FLAPS FROM 1 DEGREE TO 0 DEGREES LEADING EDGE LIGHT AND LEADING EDGE SLAT DISAGREE MESSAGE ILLUMINATED.  EMERGENCY DECLARED RETURNED SFO WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  REPLACED NUMBER 1 AND 20 ROTARY DRIVE ACTUATORS.  REMOVED AND REPLACED FLAT SLAT ELECTRICAL UNIT.  SYSTEM GROUND CHECK NORMAL OPERATION.

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