Service difficulty report · Battery Pack · Boeing 7572Y0

Difficulty date
October 21, 2019
Submitted
October 24, 2019
Operation
Air carrier
Aircraft
N754CX
Make and model
Boeing 7572Y0
Aircraft serial
26154
Aircraft time
62,728 hours, 24,893 cycles
Part
Battery Pack
Part number
20131A
Part serial
85727
Condition
Inoperative
Location
Emergency Light
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

PRE DEPARTURE CHECK: R-4 EMERGENCY EXIT LIGHT INOP. REMOVED AND REPLACED BATTERY IAW AMM 33-51-07. OPERATIONAL CHECK SATISFACTORY. FAULT NOT DUPLICATED. AIRCRAFT RELEASED TO SERVICE.

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