Service difficulty report · Battery · Boeing 777323ER

Difficulty date
October 29, 2019
Submitted
October 30, 2019
Operation
Air carrier
Aircraft
N724AN
Make and model
Boeing 777323ER
Aircraft serial
31548
Aircraft time
27,667 hours, 3,096 cycles
Part
Battery
Part number
MN1604
Condition
Inoperative
Location
L4 Epas
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

AIRCRAFT NOT GROUNDED: PRE FLIGHT CHECK FOUND 4L DOOR EPAS DOES NOT FLASH. MAINTENANCE REPLACED 4L DOOR EPAS 9V BATTERIES. FUNCTION CHECK OK IAW AMM 52-11-00.