Service difficulty report · Battery · Boeing 737322

Difficulty date
July 20, 2009
Submitted
July 20, 2009
Operation
Air carrier
Aircraft
N327UA
Make and model
Boeing 737322
Aircraft serial
24147
Aircraft time
60,667 hours, 34,244 cycles
Engine
Cfmint CFM563C1
Part
Battery
Part number
AD401767
Part serial
247
Condition
Malfunctioned
Location
Master
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

ELECTRICAL SYSTEM ISSUE, FLIGHT DIVERTED. BOTH IRS DC FAIL LIGHTS ILLUMINATED. BATTERY VOLTAGE SLOWLY DROPPED TO 14 VOLTS. REPLACED BATTERY, BATTERY CHARGER AND RELAY R41.