Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
January 18, 2023
Submitted
January 19, 2023
Operation
Air carrier
Aircraft
N778SW
Make and model
Boeing 7377H4
Aircraft serial
27883
Aircraft time
71,958 hours, 42,703 cycles
Part
Battery Pack
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

EMERGENCY LIGHT BATTERY PACKS, M1672, M1669, M1675, M1671, M1674 FAILED A CAPACITY TEST. THE BATTERY PACKS WERE REMOVED AND REPLACED IAW AMM 33-51-06.

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