# SDR AALA20161230002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2016
- Submitted: January 3, 2017
- Operation: Air carrier
- Aircraft: [N174AA](https://openairdocs.org/aircraft/N174AA), registered now
- Make and model: Boeing 757223
- Aircraft serial: 31308
- Aircraft time: 48,226 hours, 13,823 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Fseu
- Part number: 285N001140
- Part serial: D03254
- Condition: Faulty
- Location: Zone 100
- Stage of operation: AP
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20161230002

## Discrepancy

AIRCRAFT WAS GROUNDED. EMERGENCY DECLARED ACCOUNT LEADING EDGE FLAP ASYMMETRY INDICATION. LANDING UNEVENTFUL. REMOVED AND REPLACED NR 1 FLAP SLAT ELECTRONIC UNIT IAW AMM 27-51-01. OPERATIONAL CHECK GOOD.

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