Service difficulty report · Battery · Boeing 777224

Difficulty date
February 21, 2020
Submitted
February 24, 2020
Operation
Air carrier
Aircraft
N74007
Make and model
Boeing 777224
Aircraft serial
29477
Aircraft time
103,560 hours, 10,313 cycles
Part
Battery
Part number
ADD71701100
Condition
Discharged
Location
Emergency Lights
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

B777-33-3-7019 - R3 DR EMER LT BATTERY PACK M33401 CAPACITY CHECK FAIL.REF NR LP 9130312 R3 DR EMER BATTERY PACK REPLACED AND INSTALLATION TEST CARRIED O UT RESULT NORMAL IAW AMM 33-51-06 ADD EMP:V920591 IDT BY HX215617,APPROVED