SDR 2021F00013

Service difficulty report · Battery Pack · Boeing 777323ER

Difficulty date
January 30, 2021
Submitted
January 30, 2021
Operation
General aviation
Aircraft
N725AN
Make and model
Boeing 777323ER
Aircraft serial
41666
Aircraft time
31,366 hours, 3,479 cycles
Engine
Ge GE90115B
Part
Battery Pack
Part number
D71702001
Part serial
49972
Condition
Defective
Location
Zone 200
Part time
31,366 hours, 3,479 cycles
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

E-PATH EMERGENCY LIGHTS FROM L1, R1 AND L2, R2 DO NOT TEST.