Service difficulty report · O-Ring · Cessna 208B

Difficulty date
July 17, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N850FE
Make and model
Cessna 208B
Aircraft serial
208B0164
Part
O-Ring
Part number
MS28775224
Condition
Leaking
Location
Rt Mlg Brake
Stage of operation
TX
Nature of condition
A
Precautionary procedure
F

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

What was found

DURING PILOT'S TAXI TO PARKING AFTER LANDING IN PHX, THE RIGHT BRAKE CAUGHT FIRE REQUIRING A FIRE EXTINGUISHER TO EXTINGUISH THE FLAME. THE FIRE LASTED FOR APPROX 2 MINUTES. UPON INSPECTION MX FOUND EVIDENCE THAT ONE BRAKE PISTON WAS LEAKING FLUID AROUND A FAILED O-RING. THIS WAS A CONTRIBUTING FACTOR TO THE CAUSE OF THE FIRE. NO DAMAGE WAS DONE TO THE AIRCRAFT. MX REPLACED THE COMPLETE WHEEL AND BRAKE ASSY IAW CESSNA MM. THE REMOVED WHEEL AND BRAKE ASSY ARE SCRAP. THE BRAKE ASSY WAS OVERHAULED IN DEC 1994 AND HAD A TOTAL TIME OF 510.3 HRS WHEN REMOVED ON THIS DATE. (M)

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