# SDR UHLA2011042100149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2011
- Submitted: April 22, 2011
- Operation: Air carrier
- Aircraft: [N642RW](https://openairdocs.org/aircraft/N642RW), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000063
- Aircraft time: 18,174 hours, 11,410 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Sensor
- Part number: 59128437
- Part serial: B1606
- Condition: Inoperative
- Location: Te Flap
- Part time: 3,904 hours, 2,353 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UHLA2011042100149

## Discrepancy

DURING FLIGHT, AFTER LEVELING OFF, FLAP FAIL MESSAGE APPEARED ON EICAS.  DECLARED AN EMERGENCY, LANDED WITHOUT INCIDENT.  MAINTENANCE REMOVED AND REPLACED THE RT T4 SKEW SENSOR AND THE NR 1 SF-ACE.

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