# SDR CALA2011010300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2010
- Submitted: January 3, 2011
- Operation: Air carrier
- Aircraft: [N21108](https://openairdocs.org/aircraft/N21108), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27298
- Aircraft time: 61,399 hours, 16,635 cycles
- System (JASC): [2782 · Leading Edge Slat Actuator](https://openairdocs.org/jasc/2782)
- Part: Rotary Actuator
- Part number: 755299D
- Part serial: 5484AND8050
- Condition: Malfunctioned
- Location: Le Slat
- Part time: 59,219 hours, 15,780 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2011010300001

## Discrepancy

MISSED APPROACH - GO AROUND - / LE SLAT DISAGREE MESSAGE ILLUMINATED WHEN FLAP 1 SELECTED.  FOLLOW QRH PROCEDURES USING ALTERNATE FLAP SELECTOR.  LEFT FLAPS AT 20 ON TAXIING IN.  REMOVED AND REPLACED NR 8 AND NR 9 L/E SLATS ROTARY ACTUATORS.  PERFORMED OPS CHECK AS PER MM 27-81-18-424-019.  REF 4457784 AND 42 75631 FOR WORK PERFORMED.

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