# SDR AALA201903119017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2019
- Submitted: March 11, 2019
- Operation: Air carrier
- Aircraft: [N957UW](https://openairdocs.org/aircraft/N957UW), registered now
- Make and model: Emb ERJ 190-100 IGW
- Registry model: [EMB ERJ 190-100 IGW](https://openairdocs.org/model/embraer-erj-190-100-igw) (OpenAirDocs)
- Aircraft serial: 19000161
- Aircraft time: 24,177 hours, 19,826 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Position Sensor
- Part number: 5913840
- Part serial: A0652
- Condition: Faulty
- Location: Left
- Part time: 30,941 hours, 26,016 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201903119017

## Discrepancy

THE PILOT DECLARED AN EMERGENCY DUE TO A FLAPS FAILED EICAS MESSAGE.   FLAPS FAILED TO RETRACT PROPERLY FROM 1 TO 0 AFTER TAKE OFF, AND AT EXTENSION FOR LANDING THE FLAPS FAILED AGAIN AND STAYED AT FLAPS 3 WITH FULL FLAPS SELECTED.  MAINTNENANCE REMOVED AND REPLACED THE LT FLAP POSITION SENSOR UNIT IAW AMM 27-53-04.  OPS CHECKED GOOD, NO FAULTS NOTED.

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