# SDR SWAA2023042831217

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2023
- Submitted: April 28, 2023
- Operation: Air carrier
- Aircraft: [N957WN](https://openairdocs.org/aircraft/N957WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 41528
- Aircraft time: 38,528 hours, 23,634 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Condition: Inoperative
- Location: Zn 600 Right Win
- Stage of operation: DE
- 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/SWAA2023042831217

## Discrepancy

DURING DESCENT FLAPS WOULD NOT EXTEND PAST 25; WOULD NOT RETRACT UNTIL ON GROUND.<[01] R&R R/H TE FLAP POSITION TRANSMITTER PER AMM 27-58-01.

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