Service difficulty report · Battery · Boeing 777222

Difficulty date
April 2, 2019
Submitted
April 5, 2019
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
94,043 hours, 12,763 cycles
Part
Battery
Condition
Discharged
Location
Emergency Lights
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

EMER LIGHT SYSTEM OPERATIONAL TEST FOUND L3 DR M33405 POSITION BATTERY CAN NOT CHARGE. REPLACED THE M33405 BATTERY AT L3 DR POSITION AND EMER LIGHT SYSTEM TEST FOUND NORMAL IAW AMM 33-51-06-200-801 REV.85.