Service difficulty report · Battery Pack · Boeing 747446

Difficulty date
May 16, 2017
Submitted
May 17, 2017
Operation
Air carrier
Aircraft
N464MC
Make and model
Boeing 747446
Aircraft serial
26341
Aircraft time
93,524 hours, 17,407 cycles
Part
Battery Pack
Part number
20131A
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 EXIT SIGN AFT OF R3 DOOR FAILED A 15 MINUTE TEST. REPLACED THE BATTERY PACK AND PERFORMED A POWER SUPPLY TEST IAW AMM 31-51-04. NO DEFECTS NOTED.