Service difficulty report · Battery Pack · Boeing 777222

Difficulty date
May 15, 2018
Submitted
May 15, 2018
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
90,483 hours, 12,347 cycles
Part
Battery Pack
Part number
D71701100
Condition
Discharged
Location
Emergency Lights
Stage of operation
IN
How discovered
9
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

MAIN DECK L1 DOOR EMERGENCY LIGHT BATTERY PACK M33424 HAD LOW CAPACITY. REPLACED THE BATTERY PACK. OPS TESTED GOOD IAW AMM 33-51-06-960-802, REV 82.