# SDR SWAA2021022550549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2021
- Submitted: February 25, 2021
- Operation: Air carrier
- Aircraft: [N422WN](https://openairdocs.org/aircraft/N422WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29826
- Aircraft time: 64,487 hours, 37,970 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Circuit Breaker
- Condition: Tripped
- Location: Te Flaps
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021022550549

## Discrepancy

FLAPS WOULD NOT EXTEND NORMALLY AND AFTER RUNNING CHECKLIST OBSERVED SLIGHT ASSEMETRY BETWEEN LEFT AND RIGHT FLAP NEEDLES. REACCOMPLISHED FLAP ASSEMBLY CHECK LIST / PERFORM FIM 27-51 TASK 822, FOUND C/B ON P62 PANEL A12 OPEN. CLOSED C/B P62 A12. PERFORMED FIM 27-51 TASK 801, NO FAULTS. FAULT HISTORY SHOWS FAULTS 27-53280 AS INTERMITTENT INACTIVE. CYCLED FLAPS, OPS NORMAL

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