Service difficulty report · Bulb · Boeing 7378H4

Difficulty date
January 18, 2026
Submitted
January 29, 2026
Operation
Air carrier
Aircraft
N8524Z
Make and model
Boeing 7378H4
Aircraft serial
36970
Aircraft time
29,756 hours, 14,993 cycles
Part
Bulb
Condition
Blown
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 EXIT SIGN MOUNTED ON AFT WALL OF FORWARD LAVATORY HAS ONE BULB THAT DOES NOT ILLUMINATE. REMOVED & REPLACED BLOWN LAMP FOR EMERGENCY EXIT SIGN & PERFORMED GOOD OPS TESTED IAW AMM 33-51-01-960-801.

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