# SDR SWAA2026092151509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2026
- Submitted: September 22, 2026
- Operation: Air carrier
- Aircraft: [N448WN](https://openairdocs.org/aircraft/N448WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33721
- Aircraft time: 73,333 hours, 44,049 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Condition: Faulted
- Location: Flap Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026092151509

## Discrepancy

WHEN SELECTING FLAPS TO 5 THEN 15,  THE FLAP INDICATOR SHOWED A MINOR SPLIT OF THE FLAPS. ONE FLAP WAS IN UP POSITION OTHER BETWEEN UP AND 1.  REPLACED OIL IN ALL FLAP TRANSMITIONS IAW AMM 12-22-51.  REPLACED LT & RT FLAP POSITION TRANSMITTERS IAW AMM 27-58-01.  OPS CHECKED GOOD.

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