# SDR IPXA2022052382383

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2022
- Submitted: May 23, 2022
- Operation: Air carrier
- Aircraft: [N454UP](https://openairdocs.org/aircraft/N454UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25475
- Aircraft time: 39,043 hours, 19,939 cycles
- System (JASC): [3243 · Master Cylinder/Brake Valve](https://openairdocs.org/jasc/3243)
- Part: Anti-Skid Sys
- Condition: Warning Message
- Location: Brakes
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2022052382383

## Discrepancy

**EMERGENCY DECLARED** **NORMAL LANDING** DURING CRUISE-EICAS ANTI SKID ILLUMINATED RAN QRH-NO CHANGE.  DMP COMPLIED WITH. M781726REPLACED #8 XDCR PER 32-42-06-044-023 & 32-42-06-404-010. REPLACED SKID CONTROL UNIT PER 32-42-01-024-069 & 32-42-01-404-021. CHECKS GOOD. CLEARED M781726 & PLACARD REMOVED.

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