Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
September 8, 2026
Submitted
October 22, 2026
Operation
Air carrier
Aircraft
N8658A
Make and model
Boeing 7378H4
Aircraft serial
36899
Aircraft time
39,450 hours, 19,284 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
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 BATTERY PACK, POWER SUPPLY M1694 INOPERATIVE. REPLACED THE BATTERY PACK. TESTED OK IAW AMM 33-51-06-960-805.

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