Service difficulty report · Battery Pack · Boeing 74745E

Difficulty date
July 20, 2017
Submitted
July 21, 2017
Operation
Air carrier
Aircraft
N578UP
Make and model
Boeing 74745E
Aircraft serial
27154
Aircraft time
100,089 hours, 16,759 cycles
Part
Battery Pack
Part number
90084
Part serial
50668
Condition
No Test
Location
Door Assist
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

FOUND UPPER DECK DOOR EMERGENCY OPENING SYSTEMS TEST FAULT. REPLACED THE BATTERY PACK IAW AMM 52-23-14-004-001, AND AMM 52-23-14-404-005, REV.89.01 2. PERFORMED BATTERY PACK TEST IAW AMM 52-23-14-404-005, REV 89.01.

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