Service difficulty report · Warning Light · Boeing 767322

Difficulty date
January 13, 2012
Submitted
January 30, 2012
Operation
Air carrier
Aircraft
N667UA
Make and model
Boeing 767322
Aircraft serial
29239
Aircraft time
48,445 hours, 13,130 cycles
Engine
Pwa PW4056
System (JASC)
3242 · Brake
Part
Warning Light
Condition
False Activation
Location
Anti Skid System
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

EICAS MESSAGE NORMAL, ANTI SKID & ALTERNATE DISPLAYED AND AMBER LIGHT ON. ANTI SKID INOPERATIVE, FLIGHT DIVERTED. ACCOMPLISHED FIM 32-42-00 BITE FAULTED NOTED BOX 4-8 & TRANSDUCER 4. METERED WIRES FOR PINS 1 & 3 FOR OPEN AND SHORTS, WIRE CHECKED GOOD. OHMS BETWEEN PIN 1 & 3 ON 4 & 8 TRANSDUCERS OHMS WITHIN TOLERANCE. INDUCTANCE CHECK FOR 4 & 8 TRANSDUCER WITHIN TOLERANCE. ANTI SKID MESSAGE AND LIGHT IS OFF CLEARED FAULT ON BOX. RAN TEST AGAIN MESSAGE & LIGHT STILL OFF NO FAULTS ACTIVE. UNABLE TO DUPLICATE FAULT DURING GROUND CHECK. VERIFIED BRAKE RELEASES AND THEN APPLIES DURING GROUND TEST. ANTI-SKID GROUND TESTED GOOD.