Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
May 2, 2022
Submitted
May 12, 2022
Operation
Air carrier
Aircraft
N797MX
Make and model
Boeing 7377H4
Aircraft serial
27890
Aircraft time
66,792 hours, 39,505 cycles
Part
Battery Pack
Part number
M1674
Condition
Inoperative
Location
Emergency Lights
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

EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1674 ARE INOP / [01] REPLACED EMERGENCY EXIT LIGHTS BATTERY PACK M1674 PER AMM 33-51-06-960-805.;[02] VERIFIED CORRECTIVE ACTION 1.

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