# SDR SCNA20211208099

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2021
- Submitted: December 8, 2021
- Operation: Air carrier
- Aircraft: [N816SY](https://openairdocs.org/aircraft/N816SY), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 30637
- Aircraft time: 65,850 hours, 23,646 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Sensor
- Condition: Faulted
- Location: Flaps
- Stage of operation: DE
- 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/SCNA20211208099

## Discrepancy

DEFECT: HAD TRAILING EDGE FLAP DISAGREE ON APPROACH AFTER VECTORS INDICATED 0 WHEN LEVER SAET AT 15 RAN QRH THEN RECEIVED ASYMETRY RAN QRH AND LANDED  RESOLUTION:  PERFORMED FIM 27-51 TASK 801. FOUND FAULT 27-53280 R28VAC EXC INV. FOUND RT SKEW AND IND BREAKER POPPED (C1443). RESET BREAKER. R&R #5,6, AND 8 SKEW SENSORS PER AMM 27-59-01. R&R FLAP INDICATOR PER AMM 27-58-02. R&R RT FLAP POS TX PER AMM 27-58-01. R&R (C1443) RT SKEW AND IND C/B PER SWPM 20-30-00. ADJUSTED RT FLAP POS TX PER AMM 27-58-01. OPERATED T.E.FLAP SYS PER AMM 27-51-00. ALL OPS & INDICATIONS NORMAL

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