# SDR SWAA2024062404809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2024
- Submitted: June 24, 2024
- Operation: Air carrier
- Aircraft: [N477WN](https://openairdocs.org/aircraft/N477WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33988
- Aircraft time: 66,447 hours, 39,668 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Indicator
- Part number: UNKNOWN
- Condition: Faulty
- Location: Te Flap
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024062404809

## Discrepancy

ON APPROACH FLAPS WOULD NOT EXTEND. FLAPS INDICATOR SHOW ASYMMETRY<[01] PERFORMED FSEU BITE CHECK IAW FIM 27-51 TASK 801. FOUND FAULTS 27-53252 AND 27-53251. C/W FIM 27-59 TASK 803 AND FIM TASK 27-59 TASK 802. FAULTS FOUND TO BE INTERMITTENT. TRAILING EDGE FLAP SYSTEM OP<BR>TEST GOOD IAW AMM 27-51-00

---
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.
