# SDR AALA20161107003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2016
- Submitted: November 9, 2016
- Operation: Air carrier
- Aircraft: [N821AN](https://openairdocs.org/aircraft/N821AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40640
- Aircraft time: 95 hours, 30 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Sensor
- Condition: Faulty
- Location: Slats
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20161107003

## Discrepancy

SLAT DRIVE FAILURE BETWEEN FLAPS 1-5 WITH EICAS.   EMERGENCY DECLARED. LANDING UNEVENTFUL.  REMOVED AND REPLACED THE NR 7 OUTBOARD SKEW SENSOR IAW AMM B787-A-27-89-01.  AIRCRAFT WAS GROUNDED.

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