Service difficulty report · Seal · Dhav DHC8102

Difficulty date
September 1, 1999
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Dhav DHC8102
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
System (JASC)
3242 · Brake
Part
Seal
Part number
68728
Condition
Damaged
Location
Brake
Part time
254 hours
Component
Bfgoodrich · 214664
Stage of operation
IN
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) DURING INSPECTION OF THE AIRCRAFT, THE NR 2 BRAKE ASSY WAS FOUND LEAKING. THE PROBLEM WAS TRACED TO FAILURE OF THE PISTON SEAL CAUSED BY DAMAGED/DISTORTED BACK-UP RINGS.