Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
May 5, 2025
Submitted
May 14, 2025
Operation
Air carrier
Aircraft
N957WN
Make and model
Boeing 7377H4
Aircraft serial
41528
Aircraft time
45,024 hours, 27,712 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 LIGHT BATTERY PACK M1669 WILL NOT HOLD CHARGE<[01] REMOVED; REPLACED AND ACCOMPLISHED INSTALLATION TEST OF BATTERY PACK M1669 IAW AMM 33-51-06-960-805. TEST GOOD.;[02] VERIFIED STEP 1<BR>AUDIT CW

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