Service difficulty report · Battery Pack · Boeing 777224

Difficulty date
April 10, 2024
Submitted
April 12, 2024
Operation
Air carrier
Aircraft
N78009
Make and model
Boeing 777224
Aircraft serial
29479
Aircraft time
117,751 hours, 12,064 cycles
Part
Battery Pack
Part number
ADD71701100
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

M/D OHAR AREA 1EA EMER LT POWER PACK FOUND LOW CAPACITY REF HAECO NON-ROUTINE NO.9482787, ORIGINATED BY EMP V905377, SPEC NO.B77 7-25-3-7250. PERFORMED BY EMP V903218, IDT BY EMP V905377, REPLACED M/D OHAR AREA 1EA EMER LIGHT POWER PACK AND PERFORMED THE PACK INSTALLATI ON TEST, THE RESULT FOUND NORMAL AS PER AMM 33-51-06-960-803 REV .100.