Service difficulty report · Flame Tube · Braero HS7482A

Difficulty date
September 8, 1998
Submitted
March 26, 2000
Operation
General aviation
Make and model
Braero HS7482A
Engine
Rroyce DART5342
Part
Flame Tube
Part number
RK45001
Condition
Cracked
Location
Exhaust
Component
Rroyce · RK49163A
Stage of operation
IN
Nature of condition
O
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 A REGULAR SCHEDULED FUEL BURNER WIPE ON THE NR 5 COMBUSTION CAN, THE BURNER TOOL BRUSH WOULD NOT CONTACT THE FUEL NOZZLE. THE CAN WAS REMOVED AND THE FLAME TUBE DOME END, WHERE THE SWIRL VANE IS LOCATED, WAS FOUND CRACKED APART WAY AROUND THE CIRCUMFERENCE AND COMPLETELY DETACHED FROM THE WELDS. THIS CAUSED THE SWIRL VANE CAP TO LODGE IN THE TUBE AT ABOUT A 5 DEGREE ANGLE. THE FLAME TUBE WAS ALSO CRACKED ON THE WELD JOINT, JUST FORWARD OF THE LINER. THE COMBUSTION LINER WAS REPLACED. PART TC: 3,213.