Service difficulty report · Bulb · Boeing 7378H4

Difficulty date
September 1, 2026
Submitted
September 9, 2026
Operation
Air carrier
Aircraft
N8698B
Make and model
Boeing 7378H4
Aircraft serial
36977
Aircraft time
33,486 hours, 16,719 cycles
Part
Bulb
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

EMERGENCY SIGN ON LAV D HAS INOPERATIVE BULBS. REPLACED THE BULBS AND PERFORMED GOOD FUNCTIONAL TEST IAW AMM 33-51-01-960-801.

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