# SDR SWAA2023042630567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2023
- Submitted: April 26, 2023
- Operation: Air carrier
- Aircraft: [N464WN](https://openairdocs.org/aircraft/N464WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32468
- Aircraft time: 63,369 hours, 37,733 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Sensor
- Condition: Faulty
- Location: Zn 200 Fus Top
- Stage of operation: AP
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023042630567

## Discrepancy

LOWERED FLAP HANDLE TO POSITION 5 AND LEFT FLAP DID NOT MOVE. LEFT FLAP STAYED AT ZERO. RIGHT FLAP MOVED BETWEEN UP AND DOWN.<[01] R&R?D #3 FLAP SKEW SENSOR PER AMM 27-59-01 OPS CK GD

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