Service difficulty report · Battery Pack · Boeing 7378H4

Difficulty date
June 11, 2026
Submitted
June 17, 2026
Operation
Air carrier
Aircraft
N8549Z
Make and model
Boeing 7378H4
Aircraft serial
63597
Aircraft time
28,686 hours, 14,528 cycles
Part
Battery Pack
Condition
Discharged
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

EMERGENCY EXIT LIGHT R/H OWE LIGHTS DO NOT ILLUMINATE. CHARGED THE BATTERY PACK AND PERFORMED A GOOD TEST OF EMERGENCY EXIT LIGHT RT OVERWING EXIT LIGHTS IAW AMM 33-51-06-610-802.

More about the Boeing 737-8H4