Service difficulty report · Rotor · Pilats PC1247

Difficulty date
April 24, 2012
Submitted
April 24, 2012
Operation
General aviation
Aircraft
N798RG
Make and model
Pilats PC1247
Aircraft serial
798
Aircraft time
1,577 hours, 1,224 cycles
Engine
Pwa PT6A67B
Engine time
1,577 hours, 1,224 cycles
Propeller
Hartzl HCE4A3D
System (JASC)
3242 · Brake
Part
Rotor
Condition
Separated
Location
Brake Assy
Component
Brake Assy
Component part number
260926
Stage of operation
IN
How discovered
V
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

DURING A ROUTINE ANNUAL INSPECTION, WHILE PERFORMING A WHEEL BEARING LUBRICATION INTERVAL, TECH FOUND THE RT MLG BRAKE CALIPER OUTER BRAKE ROTOR HAD SEPARATED IN TO 2 SEPARATE SECTIONS. PILOT AND TECH DID NOT REPORT ANY DEGRADED BRAKING CHARACTERISTICS DURING TAXI, TAKEOFF, OR LANDING. THERE ARE 3 BRAKE ROTORS IN THE CALIPER. TECH COMPLETED VISUAL ON THE MIDDLE AND INBD UNITS. NDN LT MLG SHOWED NO DEFECTS. NEW BRAKE CALIPER WAS ORDERED AND INSTALLED.