Service difficulty report · Battery · Boeing 777222

Difficulty date
February 5, 2024
Submitted
February 5, 2024
Operation
Air carrier
Aircraft
N786UA
Make and model
Boeing 777222
Aircraft serial
26938
Aircraft time
104,608 hours, 14,209 cycles
Part
Battery
Part number
ADD71701100
Condition
Failed
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

SUPPORT TASK - DR R1 EMER LIGHT BATTERY M33094 TEST FAIL. TRANSFER REF.NON-ROUTINE HX NRC WO.2839546. DR R1 EMER LIGHT BATTERY M33094 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06.