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SDR CALA2024062801924

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Service difficulty report · Battery Pack · Boeing 777224

FAA SDR system

Difficulty date
June 27, 2024
Submitted
June 28, 2024
Operation
Air carrier
Aircraft
N76010
Make and model
Boeing 777224
Aircraft serial
29480
Aircraft time
116,871 hours, 12,129 cycles
System (JASC)
3350 · Emergency Lighting
Part
Battery Pack
Part number
ADD71701100
Part serial
339593
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

FOUND EMERGENCY LIGHT BATTERY PACK LOW CAPACITY AT B ZONE, REF H AECO NON-ROUTINE NO.9489455, PERFORMED WIRING C HECK FOUND M33098 BATTERY PACK LOW CAPACITY, REPLACED THE M33098 , M33099 EMERGENCY LIGHT BATTERY PACK AND NEW PACK TEST FOUND NO RMAL, AS PER WDM 33-51-04 REV.78, AMM 33-51-06-900-802 REV.101.