Service difficulty report · Bulb · Boeing 7378H4

Difficulty date
February 8, 2026
Submitted
February 11, 2026
Operation
Air carrier
Aircraft
N8659D
Make and model
Boeing 7378H4
Aircraft serial
36901
Aircraft time
36,965 hours, 18,039 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

AFT LEFT OVERWING DOOR EMERGENCY EXIT SIGN HAD TWO BULBS INOPERATIVE. REPLACED THE BULB AND PERFORMED A GOOD TEST IAW AMM 33-51-01-960-801.

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