Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
September 1, 2026
Submitted
September 9, 2026
Operation
Air carrier
Aircraft
N8321D
Make and model
Boeing 7378H4
Aircraft serial
36687
Aircraft time
45,962 hours, 21,857 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT L2 ENTRY INTERIOR AND EXTERIOR EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK M1673 IAW AMM 33-51-06-960-805. OPS TESTED GOOD.

More about the Boeing 737-8H4