Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
December 31, 2025
Submitted
January 5, 2026
Operation
Air carrier
Aircraft
N8566Z
Make and model
Boeing 7378H4
Aircraft serial
64174
Aircraft time
25,733 hours, 13,156 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

R1 SERVICE DOOR EMERGENCY LIGHT INOPERATIVE. R & R R1 SLIDE/OVERWING LAMP IAW AMM 33-51-04 NO FIX. FOUND MUTIPLE INTERIOR EXIT LIGHTS INOP ON FWD R/H AREA. R & R FWD BATTERY PACK IAW AMM 33-51-06. OPS CHECKED GOOD.

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