Service difficulty report · Bulb · Boeing 7378H4

Difficulty date
July 17, 2023
Submitted
July 19, 2023
Operation
Air carrier
Aircraft
N8543Z
Make and model
Boeing 7378H4
Aircraft serial
63587
Aircraft time
19,500 hours, 9,726 cycles
Part
Bulb
Part number
UNKNOWN
Condition
Inoperative
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
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

THE FLOOR PROXIMITY EXIT SIGNS BY THE L/H AND R/H AFT OEW DOORS EACH HAVE AN UNLIT BULB.<[01] RELAMPED AND PERFORMED GOOD TEST OF FLOOR PROXIMITY EXIT SIGNS BY THE L/H AND R/H AFT OEW DOORS EACH HAVE 1EA UNLIT BULBS; PER AMM 33-51-01-960-801.;[02] VERIFIED CORRECTIVE ACTION ITEM 1.

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