# SDR P5CA2026042800022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2026
- Submitted: April 29, 2026
- Operation: Air carrier
- Aircraft: [N858GT](https://openairdocs.org/aircraft/N858GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37569
- Aircraft time: 61,781 hours, 9,589 cycles
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Switch
- Part number: 2FS551
- Condition: Faulted
- Location: Speed Brakes
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2026042800022

## Discrepancy

REJECT AT  62 KTS FOR CONFIG  WARNING 421.6 KG. SPEED BRAKE ARMED EICAS AND COULD NOT BE RESET AFTER REJECT.  VERIFIED INTERNAL SHORT IN SPEED BRAKE ARM SWITCH IAW WDM 32-41-31 & AMM 20-11-00. R & R SPEED BRK ARM SWITCH IAW AMM 27-62-10. OPS CHECK NORMAL. THIS CLEARS DMI 251286, PLACARD REMOVED.

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