Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
August 25, 2020
Submitted
August 31, 2020
Operation
Air carrier
Aircraft
N479WN
Make and model
Boeing 7377H4
Aircraft serial
33990
Aircraft time
55,570 hours, 33,185 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 PACK AT R/H OVER WING EXIT FAIL CAPACITY CHECK. / REMOVED AND REPLACED BATTERY PACK PER M/M 33-51-06.

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