# SDR IPXA2026081930589

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2026
- Submitted: August 19, 2026
- Operation: Air carrier
- Aircraft: [N406UP](https://openairdocs.org/aircraft/N406UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23728
- Aircraft time: 39,734 hours, 26,696 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Flap System
- Condition: Warning Message
- 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/IPXA2026081930589

## Discrepancy

EMD ON CLIMB OUT AT APPROX 3K' WE GOT A LE SLAT DISAGREE EICAS. MAINTAINED 230 KT OR LESS FOR ENTIRE FLIGHT. AFTER QRH PROCEDURE, MSG WENT OUT. PERFORMED BITE PROCEDURE IAW FIM 27-51 FAULT TREE 805 FLAP/SLAT ELECTRONIC UNIT (FSEU) BITE PROCEDURE. FOUND ALTERNATE FLAP SWITCH NOT IN NORMAL POSITION. PLACED ALTERNATE FLAP SWITCH IN NORMAL POSITION BITE PROCEDURE PASSED WITH NO FAULTS. FLAPS AND LE SLATS OPS CHECK GOOD IN ALTERNATE AND HYDRAULIC.

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