Service difficulty report · Battery Pack · Boeing 757222

Difficulty date
October 28, 2022
Submitted
October 30, 2022
Operation
Air carrier
Aircraft
N770FD
Make and model
Boeing 757222
Aircraft serial
24743
Aircraft time
82,960 hours, 33,134 cycles
Part
Battery Pack
Part number
20131A
Part serial
18185
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

MULTIPLE EMERGENCY EXIT LIGHTS FAIL TO TEST. ALL LIGHT ASSOCIATED WITH EMEGENCY LIGHTS POWER SUPPLY M730. REPLACED BATTERY PACK AT POWER SUPPLY M00730. RADIANT ILLUMINATION INC MPN 2013-1A S/N 18185. VERIFIED CHARGER OUTPUT GOOD. EMERGENCY LIGHT OPS CKS GOOD.