# SDR YENA20130122016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2013
- Submitted: January 23, 2013
- Operation: Air carrier
- Aircraft: [N527JL](https://openairdocs.org/aircraft/N527JL), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1557
- Aircraft time: 38,704 hours, 14,123 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Position Sensor
- Part number: 9028A000401
- Part serial: 13407
- Condition: Failed
- Location: Te Flap
- Part time: 17,816 hours, 6,504 cycles
- 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/YENA20130122016

## Discrepancy

FLT 1418 JAX-BOS, CREW DECLARED EMERGENCY DUE TO FCTL FLAPS LOCKED AT SELECTION OF FLAPS 2 AT 185 KNOTS.  TROUBLESHOOT FLAP ASYMMETRY PER TSM 27-51-00-810-819-A FOUND LEFT APPU (ASYMMETRY POSITION PICK OFF UNIT) TO BE AT FAULT.  REMOVED AND REPLACED APPU PER AMM 27-51-18-00-001-A, OPS TEST GOOD.

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