# SDR FDEA202103190707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2021
- Submitted: April 27, 2021
- Operation: Air carrier
- Aircraft: [N993FD](https://openairdocs.org/aircraft/N993FD), registered now
- Make and model: Boeing 757-2Q8
- Registry model: [Boeing 757-2Q8](https://openairdocs.org/model/boeing-757-2q8) (OpenAirDocs)
- Aircraft serial: 24965
- Aircraft time: 62,760 hours, 24,018 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Condition: Malfunctioned
- Location: Autobrake Sys
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202103190707

## Discrepancy

BRAKE SOURCE LIGHT ILLUMINATED WHILE ARRIVING IN  MEMPHIS ... PASSING 10,000 FT.  RAN QRH , DECLARED EMERGENCY , LANDED ... DID  NOT TAXI .  THE BRAKE SOURCE LIGHT REMAINED ON AFTER  SELECTING RESERVE BRAKES.  NOTE: PILOT DEBRIEF - ALL HYD.  PRESSURES  WERE NORMAL, ALSO GOT A ANTI-SKID ECIAS MESSAGE.  VERIFIED BRAKE ACCUMULATOR PRESSURES WERE WITHIN LIMITS REF 757 AMM 12-15-04-3.  VERIFIED INTEGRITY S415 ALTN VALVE SELECT PRESSURE SWITCH REF 757 SSM 32-41-01.  REMOVED REPLACED ANTISKID/AUTOBRAKE CONTROL UNIT IAW 757MM 32-42-04-1. ALL OPS CHECKS ARE GOOD.

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