Service difficulty report · Brake Sys · Gulstm GIVX

Difficulty date
March 31, 2019
Submitted
April 2, 2019
Operation
Air carrier
Aircraft
N448QS
Make and model
Gulstm GIVX
Aircraft serial
4100
Aircraft time
8,885 hours, 4,191 cycles
Part
Brake Sys
Condition
Contaminated
Location
Nr 1
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

MLG BRAKE PRESSURE LOW PRESSURE - LEFT OUTBOARD DOES NOT ALWAYS INDICATE PRESSURE. THERE IS A REDUCTION OF BRAKE PRESSURE FELT AND EXCESSIVE PEDAL DEFLECTION TO ACHIEVE BRAKING POWER. TEMP ON OUTBOARD BRAKE SHOWS COOLER THAN THE INBOARD BRAKE ON THAT SIDE ALSO. WITH PARKING BRAKE ON IT SHOWS NORMAL PRESSURE. INSPECTED #1 BRAKE ASSY AND FOUND NO FAULTS. DUE TO THE NATURE OF THE WRITEUP SUSPECT AIR IN THE SYSTEM OF THE # BRAKE ASSY. BLED THE #1 BRAKE SYSTEM AND REMOVED A NOTICABLE AMOUNT OF BUBBLES. COMPLETE OPS CHECK AND LEAK CHECK GOOD AT THIS TIME. WORK DONE WITH REFERENCE TO AMM 32-44-00