Service difficulty report · Battery · Boeing 777222

Difficulty date
April 16, 2020
Submitted
April 17, 2020
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
95,905 hours, 12,771 cycles
Part
Battery
Part number
ADD71701100
Condition
Discharged
Location
Cabin
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

OHAR EMERGENCY LT TEST FOUND BATTERY LOW VOLTAGE P/N ADD717-01-1 00 - REFER NON-ROUTINE L/P 9412851 - ORIGINATED SPEC NO.B777-33-3-7029.