Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
September 25, 2021
Submitted
October 4, 2021
Operation
Air carrier
Aircraft
N225WN
Make and model
Boeing 7377H4
Aircraft serial
34333
Aircraft time
53,839 hours, 31,987 cycles
Part
Battery Pack
Part number
M1674
Condition
Inoperative
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

ASSOCIATED EMERGENCY LIGHTS WITH BATTERY PACK M1674 ARE INOP. ; ASSOCIATED EMERGENCY LIGHTS WITH ATTERY PACK M1674 ARE INOP. / [01] REMOVED AND REPLACED BATTERY PACK M1674 PER AMM 33-51-06-960-805. GND TEST NORMAL<BR>AAR TAG WN8585; [02] REMOVED AND REPLACED BATTERY PACK M1674 PER AMM 33-51-06-960-805. OPS TEST NORMAL<BR>AAR TAG WN8585; [03] REMOVED AND REPLACED BATTERY PACK M1674 PER AMM 33-51-06-960-805. OPS TEST NORMAL <BR>AAR TAG WN8585; [04] VERIFIED 3

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