Service difficulty report · Battery · Boeing 777222

Difficulty date
April 26, 2026
Submitted
April 27, 2026
Operation
Air carrier
Aircraft
N209UA
Make and model
Boeing 777222
Aircraft serial
30215
Aircraft time
103,447 hours, 12,411 cycles
Part
Battery
Part number
ADD71701100
Part serial
279880
Condition
Malfunctioned
Location
Zone 200
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

LLAR BACKUP LIGHTING FOUND INOPERATION REF HAECO NR NO.9455659,