Service difficulty report · Battery · Boeing 777222

Difficulty date
July 28, 2024
Submitted
July 29, 2024
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
108,243 hours, 14,322 cycles
Part
Battery
Part number
ADD71701100
Condition
Failed
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

DR R3 EMER LT BATT M33401 TEST FAIL REFER HX NR WO. 3536653 AND ORIGINAL BY DR R3 EMER LIGHT BATTERY M33401 REPLACED AND TESTED NORMAL IAW A MM 33-51-06 WORK ACCOMPLISHED BY MECH AND INSPECTED BY