SDR 0027

Service difficulty report · Stator · Beech E90

Difficulty date
April 26, 2004
Submitted
April 29, 2004
Operation
Air carrier
Aircraft
N63BV
Make and model
Beech E90
Aircraft serial
LW256
Aircraft time
12,121 hours, 14,621 cycles
System (JASC)
3242 · Brake
Part
Stator
Part number
244234
Condition
Broken
Location
Brake
Part time
202 hours, 250 cycles
Component
Brake · Bfgoodrich
Component part number
50300010119
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

AFTER LANDING THE PILOT WROTE UP, RIGHT BRAKE HAS INTERMITTENT RAPID CYCLES OF, ON AND OFF BRAKE PRESSURE. ALSO INDICATED, APPEARS TO BE LEAKING HYDRAULIC FLUID. MAINTENANCE INSPECTED THE BRAKE AND FOUND THE INNER BRAKE CARRIER LINING BROKEN. THE PIECE OF THE INNER CARRIER LINING ASSEMBLY, APPROXIMATELY 3 INCHES LONG HAD BROKEN OFF AND WAS BECOMING WEDGED BETWEEN THE BRAKE HOUSING AND THE WHEEL ASSEMBLY. THE BROKEN PIECE HAD DAMAGED THE INNER WHEEL HALF ENOUGH TO CAUSE REJECTION OF THE WHEEL FORM FURTHER SERVICE. VISUAL INSPECTION OF THE BROKEN PIECE INDICATES IT HAD BECOME HOT AT SOME POINT IN TIME. IF THE BRAKE HAD NOT BEEN INSPECTED AT THIS TIME THE WHEEL MAY HAVE SEPARATED AT THE INNER WHEEL BEAD AREA

More about the Beech E-90