Service difficulty report · Line · Airtrc AT502B

Difficulty date
June 5, 2006
Submitted
June 22, 2006
Operation
General aviation
Make and model
Airtrc AT502B
Engine
Pwa PT6A34AG
Propeller
Hartzl HCB3TN3
Part
Line
Part number
20700600
Condition
Cracked
Location
Brake Assy
Part time
1,910 hours
Component
Brake Assy · Cleveland · 3098C
Stage of operation
IN
How discovered
V
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) PILOT REPORTED RT BRAKE ALWAYS GOES SOFT WHILE TAXING. AFTER INSPECTING ENTIRE BRAKE INSTALLATION FOR LEAKS, FOUND THE FWD AND AFT BRAKE CALIPER INTERCONNECT HOSE, FWD FITTING CRACKED. THIS CRACK WAS ONLY APPARENT WHEN THE BRAKES HEAT UP AND THE CRACK OPENED AS IT EXPANDED, CAUSE FLUID TO LEAK. THE HOSE WAS REPLACED WITH NEW UNIT AND BRAKES BLED WITH NO FURTHER FAULTS. (TC NR 20060606004)