# SDR SWAA2021102531565

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2021
- Submitted: October 25, 2021
- Operation: Air carrier
- Aircraft: N738CB
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27870
- Aircraft time: 75,839 hours, 44,864 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Transmitter
- Condition: Faulty
- Location: E&E Bay
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021102531565

## Discrepancy

FLAPS WOULD NOT EXTEND BEYOND 25 DEGREES WHEN 30 DEGREES SELECTED FOR LANDING RAN FLAP DISAGREE AND BRAKE COOLING AND LANDED NORMALLY FLAPS CAME UP TO 15 AFTER LANDING ; / [01] INTERROGATED FSEU FOUND FAULT CODE 27 - 52259 L FLAP SENSOR FOUND NO EXISTING FAULTS PERFORMED FIM TASK 27 - 51 TASK 813 FOUND NO ABNORMALTIES

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