# SDR SCNA2018100128116

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2018
- Submitted: October 1, 2018
- Operation: Air carrier
- Aircraft: [N816SY](https://openairdocs.org/aircraft/N816SY), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30637
- Aircraft time: 59,320 hours, 20,870 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Sensor
- Condition: Defective
- Location: Te Flap
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA2018100128116

## Discrepancy

UPON FIRST SELECTION OF FLAPS A FLAP ASSEMTRY OCCURRED WITH LEFT FLAPS REMAINING IN THE UP POSITION  RIGHT FLAP EXTEND ONE NEEDLES WIDTH. PERFORMED FSEU BITE TEST. FAULT CODE 27-53252 FLAP 3 SKEW. PERFORMED TE FLAP SUPPORT NR 3 SKEW PROBLEM. NO DEFECTS NOTED DURING VISUAL INSPECTION. ACCOMPLISHED FLAP SKEW DETECTION SYSTEM FUNCTION TEST. FOUND F3 SKEW SENSOR OUT OF RANGE. R&R NR 3 FLAP SKEW. SYSTEM OPS CHECK OK. NO FAULTS ON THE FSEU, ALL CLEAR.

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