# SDR SWAA2021092823149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2021
- Submitted: September 28, 2021
- Operation: Air carrier
- Aircraft: [N903WN](https://openairdocs.org/aircraft/N903WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32457
- Aircraft time: 45,700 hours, 27,368 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Switch
- Condition: Faulted
- Location: Te Flaps
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021092823149

## Discrepancy

FLAP ASYMMETRY ON APPROACH WHILE SELECTING FLAPS 15 ; / [01] FOUND PSEU FAULTS 32-62009 AND 32-62010. PERFORMED FLAP LANDING WARNING SWITCH FAULT-FAULT ISOLATION IAW FIM 32-61 TASK 815. PER FIM FAULTS INTERMITTENT. FLAP SYSTEM OPERATES NORMAL IAW AMM 27-81-00

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.