Service difficulty report · Battery Pack · Boeing 737800*

Difficulty date
December 10, 2025
Submitted
December 11, 2025
Operation
Air carrier
Aircraft
N848SY
Make and model
Boeing 737800*
Aircraft serial
41128
Aircraft time
25,700 hours, 15,448 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
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

LEFT OVERWING EMERGENCY EXIT LIGHTS AND FLOOR PATH LIGHTS INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK IAW AMM 33-51-06. WITH THE OVERWING EXIT LIGHTS COMING ON BUT FLOOR PATH LIGHTS STILL OUT. RELAMPED FLOOR PATH EXIT LIGHTS IAW AMM 33-51-01. OPS CHECKED GOOD. OK FOR SERVICE

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