Service difficulty report · Switch · Boeing 767322

Difficulty date
December 11, 2010
Submitted
December 30, 2010
Operation
Air carrier
Aircraft
N672UA
Make and model
Boeing 767322
Aircraft serial
30027
Aircraft time
40,196 hours, 10,586 cycles
Engine
Pwa PW4056
Part
Switch
Part number
EA90G97600U
Condition
Faulty
Location
Hyd System
Stage of operation
NR
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

RUDDER RATIO EICAS MSG. DUE TO REPORTS OF RUDDER RATIO MSG, PLEASE ACCOMPLISH FIM. START FROM BLOCK 1 AND ADDRESS ANY PROBLEMS. ACCOMPLISHED FIM. FOUND HYD SWITCH FAULT DISPLAYED. REPLACED LT PRESS SWITCH S27 IAW MM, OPS CHECK GOOD.