Service difficulty report · Warning Message · Boeing 737322

Difficulty date
May 9, 2006
Submitted
May 16, 2006
Operation
Air carrier
Aircraft
N332UA
Make and model
Boeing 737322
Aircraft serial
24193
Aircraft time
52,141 hours, 28,127 cycles
Engine
Ge CFM56*
Part
Warning Message
Condition
False Indication
Location
Dc System
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

BOTH IRU 'DC FAIL' LIGHTS CAME ON WHILE IN CRUISE. BATTERY VOLTAGE INDICATED 28VDC.