# SDR USAABA03038

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2003
- Submitted: December 12, 2003
- Operation: Air carrier
- Aircraft: N675US
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0370
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Unit
- Part number: C2029338D8D8D
- Condition: Malfunctioned
- Location: Mlg Brakes
- Part time: 10,875 hours
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAABA03038

## Discrepancy

UPON TAXIING TO THE GATE AFTER LANDING, THE BRAKES HAD NO RESPONSE UNTIL FULLY DEPRESSED.  CREW REPORTED A NORMAL BRAKE INOP MESSAGE.  MAINTENANCE FOUND THE NR 2 BSCU BLANK. THE BSCU WAS RESET.  BITE FAULTED THE SELECTOR VALVE.  THE BSCU AND VALVE WERE PROGRAMMED FOR REPLACEMENT.  NOV 15, MAXIMUM BRAKES WERE NEEDED BEFORE ANY BRAKING RESPONSE WAS NOTED.  BOTH THE BSCU AND NORMAL BRAKE SELECTOR VALVE WERE REPLACED.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.