Service difficulty report · Battery · Boeing 777222

Difficulty date
May 25, 2022
Submitted
May 25, 2022
Operation
Air carrier
Aircraft
N796UA
Make and model
Boeing 777222
Aircraft serial
26931
Aircraft time
97,796 hours, 12,998 cycles
Part
Battery
Part number
NA
Condition
Failed
Location
Door L2
Stage of operation
IN
How discovered
O
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

REF LOGPAGE 8503706 CORRECTIVE ACTION FOR EMERGENCY LIGHTING BATTERY # M33099 FAILED FUNCTIONAL CHECK.- L2 DOOR AFT BAT WAS NOT IDENTIFIED AS AN SDR EVENT AND THE IDT WAS NOT RECORDED/ACP''D. OPENED PANEL FOR INSPECTION AND CLOSED PANEL AFTER INSPECTION REF AMM33-51-06. PERFORMED IDT INSP OF L2 DOOR EMERGENCY LIGHTING BATTERY # M33099. PERFORMED OPERATIONAL CHECK. OPS CHECK NORMAL. NO DEFECTS NOTED. REF AMM33-51-06-960-803.