Service difficulty report · Caliper · Socata TB9CTAMPICO

Difficulty date
August 2, 2010
Submitted
August 2, 2010
Operation
General aviation
Aircraft
N505PC
Make and model
Socata TB9CTAMPICO
Aircraft serial
1464
Aircraft time
5,250 hours
Part
Caliper
Part number
3019A
Condition
Binding
Location
Lt Brake Assy
Part time
5,250 hours
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

DURING TAKEOFF, PILOT VEERED OFF RUN WAY, STRIKING A RUNWAY LIGHT. THE PILOT CLAIMED THAT THE LT BRAKE WAS DRAGGING, CONTRIBUTING TO THE INCIDENT. SUBSEQUENT REPORTS FROM MECHANIC, REVEALED THAT THE PISTON O-RING ON THE LT CALIPER, PN MS 28775-213, WAS FOUND PINCHED DURING DISASSEMBLY. INSP OF THIS AREA SHOULD INVOLVE CLOSE EXAMINATION OF FLUID LEAKAGE AND ABNORMAL PUCK/DISC WEAR.