Service difficulty report · Warning System · Boeing 777222

Difficulty date
August 3, 2006
Submitted
August 15, 2006
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
39,998 hours, 7,552 cycles
Engine
Pwa PW4077
Part
Warning System
Condition
Activated
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

EQUIPMENT COOLING EICAS STATUS MESSAGE DISPLAYED WITH ASSOCIATED WARNING HORN. REPLACED VSCF FAN. NO HELP. REPLACED VSCF DUCT PRESS SENSOR M21585. SYSTEM CHKS NORMAL