Service difficulty report · Battery Pack · Boeing 737790

Difficulty date
October 13, 2019
Submitted
October 29, 2019
Operation
Air carrier
Aircraft
N557WN
Make and model
Boeing 737790
Aircraft serial
30166
Aircraft time
61,774 hours, 29,614 cycles
Part
Battery Pack
Part number
D71701100
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

FORWARD EMERGENCY LIGHT POWER UNIT BATTERY DEAD. / R&R BATTERY PACK M1675 PER AMM.