Service difficulty report · Charger · Boeing 7378H4

Difficulty date
May 8, 2026
Submitted
May 12, 2026
Operation
Air carrier
Aircraft
N8639B
Make and model
Boeing 7378H4
Aircraft serial
60086
Aircraft time
39,504 hours, 19,287 cycles
Part
Charger
Condition
Faulted
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

L/H SIDE OVER WING EMERGENCY EXIT SIGN LIGHTS INOP FOR BOTH DOORS AND FWD LOWER LIGHT. LIGHTS GO OUT AFTER 1 MIN OR LESS. REMOVED AND INSTALLED BATTERY PACK (M1668) IAW AMM 33-51-06-960-805 AND REMOVED AND INSTALLED BATTERY CHARGER (M1668) IAW AMM 33-51-06-960-806 AND PERFORMED A GOOD TEST IAW AMM 33-51-06-960-805.

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