Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
August 15, 2025
Submitted
August 19, 2025
Operation
Air carrier
Aircraft
N8531Q
Make and model
Boeing 7378H4
Aircraft serial
63575
Aircraft time
27,383 hours, 13,805 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

EMERGENCY AISLE LIGHTS INOP LT & RT ROWS 3-14 INOPERATIVE. FOUND TWO BATTERY PACKS TO BE AT FAULT. REMOVED, REPLACED, AND OP CHECKED NEW M2335 AND M1676 BATTERY PACKS IAW AMM 33-51-06-960-805. OPS CHECKED GOOD.

More about the Boeing 737-8H4