Service difficulty report · Battery Pack · Boeing 777222

Difficulty date
June 10, 2024
Submitted
June 11, 2024
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
106,189 hours, 14,280 cycles
Part
Battery Pack
Part number
D71701100
Condition
No Test
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

B777-33-3-7019 DR R3 M33404 EMER LIGHT BATTERY TEST FAIL. TRANSFER REF.NON-ROUTINE HX NRC WO.3349889 AND ORIGINATED BY EMP V898181. DR R3 M33404 EMER LIGHT BATTERY REPLACED AND TESTED NORMAL I.A.W. AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC V898181 INSPECTED BY V924743. IDT INSPECTED OKAY BY HX195273. ADD EMP:V896958