# SDR MEX2003150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2003
- Submitted: May 14, 2003
- Operation: Air carrier
- Aircraft: [N805AM](https://openairdocs.org/aircraft/N805AM), registered now
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 26272
- Engine: Pwa PW2037
- System (JASC): [3241 · Brake Anti-Skid Section](https://openairdocs.org/jasc/3241)
- Part: Control Unit
- Part number: 426412
- Part serial: 00505
- Condition: Failed
- Location: Anti-Skid Sys
- Part time: 6,170 hours, 2,246 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MEX2003150

## Discrepancy

DURING TRANSIT CHECK CAPTAIN REPORTED NORM ANTI-SKID AND ALTN ANTI-SKID MESSAGES IN EICAS.  MESSAGE APPEARED EVERY TIME THAT THE PARKING BRAKES WERE USED.  FIM PROCEDURE WAS ACCOMPLISHED BUT NO FAILURE CODE APPEARS.  AIRCRAFT WAS SENT TO THE HANGAR.  ANIT-SKID AND AUTO-BRAKE CONTROL UNIT WAS REPLACED AND TESTS WERE PREFORMED IAW MM.

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