# SDR SWAA2026042090387

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2026
- Submitted: April 20, 2026
- Operation: Air carrier
- Aircraft: [N7889A](https://openairdocs.org/aircraft/N7889A), registered now
- Make and model: Boeing 737-79L
- Registry model: [Boeing 737-79L](https://openairdocs.org/model/boeing-737-79l) (OpenAirDocs)
- Aircraft serial: 34023
- Aircraft time: 51,089 hours, 30,916 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Condition: Faulted
- Location: Flap Sys
- 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/SWAA2026042090387

## Discrepancy

FLAP LOCKOUT ON APPROACH WHEN SELECTING FLAPS 5; FLAPS DID NOT REACH 5<[01] R/R LEFT FLAP TRANSMITTER PER AMM 27-58-01. OPS CHECKS OKAY.

---
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.