Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
November 8, 2023
Submitted
November 9, 2023
Operation
Air carrier
Aircraft
N8685B
Make and model
Boeing 7378H4
Aircraft serial
36723
Aircraft time
25,277 hours, 12,276 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Inoperative
Location
Zn 200 Fus Top
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

MULTIPLE EMERGENCY LIGHTS ARE INOP THROUGHOUT THE CABIN AND EXTERIOR. / [01] REMOVED AND REPLACED AFT LEFT BATTERY PACK; ROW 21 ABC; AND ROW 21 DEF BATTERY PACKS IN REFERENCE TO AMM 33-51-06. EMERGENCY LIGHTING SYSTEM OPS CHECKS GOOD.

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