# SDR SWAA2021100123340

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2021
- Submitted: April 29, 2022
- Operation: Air carrier
- Aircraft: [N254WN](https://openairdocs.org/aircraft/N254WN), registered now
- Make and model: Boeing 737
- Aircraft serial: 32512
- Aircraft time: 51,371 hours, 30,597 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: None
- Part number: 1873810
- Part serial: 4525
- Condition: Failed
- Stage of operation: AP
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021100123340

## Discrepancy

SUPPLEMENTAL INFORMATION: WHEN EXTENDING FLAPS FOR LANDING WITH FLAP HANDLE AT 2, TRAILING EDGE FLAP ASYMMETRY OCCURRED. RIGHT FLAP BARELY MOVED AND LEFT FLAP MOVED PARTWAY TOWARD 1. NO ROLLING TENDENCY NOTED. / FSEU BITE CK SHOWS FC#27-52260 (TE FLAP SNSR R). TROUBLESHOT IAW FIM#27-51-820, R&R RH FLAP TRANSMITTER (T428) IAW MM#27-58-01, OPS CHECKS GOOD.

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