Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
August 12, 2026
Submitted
August 19, 2026
Operation
Air carrier
Aircraft
N8581Z
Make and model
Boeing 7378H4
Aircraft serial
64348
Aircraft time
26,565 hours, 13,774 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
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

EMERGENCY EXIT LIGHTS ASSOCIATED WITH M1672 DO NOT ILLUMINATE REMOVED REPLACED AND PERFORMED GOOD TEST OF EMERGENCY BATTERY PACK M1672 IAW AMM 33-51-06-960-805. VERIFIED ACTION 1.

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