Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
July 9, 2020
Submitted
July 10, 2020
Operation
Air carrier
Aircraft
N472WN
Make and model
Boeing 7377H4
Aircraft serial
33831
Aircraft time
55,833 hours, 33,183 cycles
Part
Battery Pack
Condition
No Test
Location
Emergency Lights
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 LIGHTING BATTERY PACKS IN LOCATIONS M1669; M1672; AND M1675 FAILED CAPACITY TEST. / R&R EMERGENCY LIGHTING BATTERY PACKS IN LOCATIONS M1669; M1672; AND M1675 PER AMM 33-51-06.

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