Service difficulty report · Switch · Airbus A319131

Difficulty date
March 27, 2023
Submitted
March 27, 2023
Operation
Air carrier
Aircraft
N833UA
Make and model
Airbus A319131
Aircraft serial
1401
Aircraft time
68,293 hours, 30,254 cycles
Part
Switch
Condition
Faulted
Location
Brake Sys 1
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

SYS 1 FAULT DISPLAYED ON UPPER ECAM SCREEN. - BRAKES BRAKE SYS 1 FAULT 2 MINUTES AFTER T/O.BRAKE SYS 1 FAULT ON GND FIXED WITH RESET. CORRELATED FAULTS SHOWED "BRAKES A/SKID FAULT, BSCU DC SPLY 1PP, AFS BSCU AND BRK PEDAL XMTR (9GG)" TS BRAKE PEDAL XMTR REF TSM 32-42-00-810-833-A OPS CHECKED OK. XMTR 9GG WAS REPLACED ON FEB 22. TS BSCU DC SPLY 1PP REF 32-42-00-810-828-A. HAD POWER FROM CB 2GG AND GROUND BSCU WAS AREADY REPLACED. PER TSM 4C (2) REMOVED AND REPLACED 5GG SWITCH REF AWD 32-42-01. OPS CHECKED OK REF AMM 32-46-00-740-001. REMOVED PLACARDS.

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