Service difficulty report · Input Rod · Boeing 747475

Difficulty date
May 2, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Boeing 747475
System (JASC)
3242 · Brake
Part
Input Rod
Part number
65B81011
Condition
Worn
Location
Nr 3 & N 4 Brake
Component
Boeing
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 BRAKE SYSTEM FUNCTIONAL CHECK GRATING NOISE HEARD WHEN BRAKE PEDALS MOVED. FOUND WEAR ON #3 AND #4 BRAKE CONTROL INPUT RODS, ONE ROD WORN .040". WEARING ON TEFLON WEAR BLOCKS ATTACHED TO FUSELAGE STRUCTURE. RODS REPLACED AND CLEARANCE PROVIDED.