Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
July 10, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
61,121 hours, 35,983 cycles
Part
Battery Pack
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 LIGHTS ASSOCIATED WITH BATTERY PACK M1673 INOP ; / [01] ALLOWED M1673 TO CHARGE AND PERFORMED OPERATIONAL CHECK PER AMM 33-51-06-960-805 LIGHTS ASSOCIATED WITH M1673 CHECKED GOOD; [02] VERIFIED ALLOWED M1673 TO CHARGE AND PERFORMED OPERATIONAL CHECK PER AMM 33-51-06-960-805; LIGHTS ASSOCIATED WITH M1673 CHECKED GOOD

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