Service difficulty report · Battery Pack · Boeing 757231

Difficulty date
November 9, 2020
Submitted
November 12, 2020
Operation
Air carrier
Aircraft
N721TW
Make and model
Boeing 757231
Aircraft serial
29954
Aircraft time
76,661 hours, 20,046 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

DURING WALK AROUND FOUND 1 SECTION OF EMERGENCY LIGHTS NOT WORKING. CORRECTIVE ACTION: MAINTENANCE REPLACED THE BATTERY PACK. SYSTEM OPERATION IS NORMAL.