# SDR IPXA2023080932999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2023
- Submitted: August 9, 2023
- Operation: Air carrier
- Aircraft: [N428UP](https://openairdocs.org/aircraft/N428UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25459
- Aircraft time: 31,063 hours, 21,485 cycles
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Anti-Skid Sys
- Part number: UNKNOWN
- Part serial: NA
- Condition: Warning Message
- Location: Unknown
- 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/IPXA2023080932999

## Discrepancy

*DIVERSION* THE ANTISKID SYSTEM IN OPERATION (NORMAL + ALTERNATE) HAS A FAILURE. ANTISKID EICAS ADVISORY MESSAGE ILLUMINATED DURING CRUISE. C/W FIM 32-42 FAULT TREE 806 AND 807. OPS CHECK GOOD NO FAULTS FOUND.

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