Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
June 21, 2022
Submitted
June 27, 2022
Operation
Air carrier
Aircraft
N8644C
Make and model
Boeing 7378H4
Aircraft serial
35973
Aircraft time
25,859 hours, 12,011 cycles
Part
Battery Pack
Condition
Failed
Location
Cabin
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

PASSENGER CABIN; AFT GALLEY AREA; TWO EMERGENCY BATTERY PACK FAILED CAPACITY TEST / [01] REMOVED & REPLACED TWO EMERGENCY BATTERY PACK (M01672; & M01673); PER AMM 33-51-06. LIGHTS OPS NORMAL.

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