Service difficulty report · Controller · Boeing 757224

Difficulty date
February 18, 2019
Submitted
February 18, 2019
Operation
Air carrier
Aircraft
N19130
Make and model
Boeing 757224
Aircraft serial
28970
Aircraft time
83,011 hours, 18,290 cycles
Part
Controller
Part number
427571
Condition
Faulty
Location
Anti-Skid Sys
Stage of operation
UK
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

EICAS ANTISKID MSG ALONG WITH ANTISKID ALT AND ANTISKID STATUS M SG. NORMAL LANDING AND TAXI TO GATE. AT THE GATE CHECKED TIRES CONDITIONS, ALL NORMAL. CHECKED BRAKES, NO HOT BRAKES. PERFORMED BITE TEST IAW FIM 32-42-00-815-802, BITE SHOWS FAULT "BOX 3-7", PER FIM R&R ANTISKID/AUTOBRAKE CONT UNIT IAW AMM 32-42-01-024-069/404-021. EICAS MSG CLEARED. HOWEVER BITE RESULT STILL SHOWS SAME FAULT "BOX 3-7". PERFORMED ANTISKID TRANSDUCER SPIN UP TEST ON WHEEL 3 AND 7 PER AMM 32-42-00-705-028. OPS CHECK NORMAL. REQUIRED FURTHER T/S. ROTABLE PARTS CHANGE WAS INDICATED - TT 293281 SN OFF 0593 IPC REFERENCE 32-41-00 FOLLOWING FIM 32-42-00-815-802 WE CLEARED THE A/S CONTROLLER, WE ENCOUNTERED NO FAULTS FOLLOWING TEST OF A/S SYSTEM AND AUTO BRAKE SYSTEM AND TRANSDUCER TESTS. THERE ARE NO FAULTS IN THE ANTI-SKID CONTROLLER AND THERE ARE NO EICAS OR STATUS MESSAGES. THE NEW ANTI-SKID CONTROLLER FIXED THE ORIGINAL PROBLEM, THE SYSTEM NEEDED TO BE CLEARED BEFORE RUNNING NEW TESTS.