Service difficulty report · Master Cylinder · Piper PA31P350

Difficulty date
March 6, 2020
Submitted
March 6, 2020
Operation
Air carrier
Aircraft
N9202Y
Make and model
Piper PA31P350
Aircraft serial
31P8414004
Aircraft time
5,412 hours, 87 cycles
Engine
Lyc TIO540V2AD
Engine time
1,382 hours, 86 cycles
Propeller
Hartzl HCI3YR2
Part
Master Cylinder
Part number
1023A
Condition
Failed
Location
Brake System
Part time
5,412 hours, 87 cycles
Stage of operation
LD
How discovered
O
Nature of condition
Z
Precautionary procedure
K

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

What was found

THE PILOT EXPERIENCED A TOTAL FAILURE OF THE LEFT BRAKE SYSTEM DURING LANDING, NO EXTERNAL LEAKS WERE DETECTED FOLLOWING INSPECTION AND THE RESERVOIR WAS FULL, AIR WAS NOTED IN THE RESERVOIR IMMEDIATELY DURING THE BLEEDING PROCEDURE.

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