Service difficulty report · Bulb · Boeing 7377Q8

Difficulty date
December 1, 2023
Submitted
December 12, 2023
Operation
Air carrier
Aircraft
N7867A
Make and model
Boeing 7377Q8
Aircraft serial
30633
Aircraft time
59,570 hours, 39,497 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

AFT INCANDESCENT BULBS ON RIGHT AND LEFT OVERWING EXIT ILLUMINATION LIGHTS DO NOT ILLUMINATE.<[01] RELAMPED AFT SIDE OF LEFT AND RIGHT OVERWING EXIT ILLUMINATION LIGHTS AND TESTED PER AMM 33-51-01-960-801; NO FURTHER DEFECTS NOTED.;[02] VERIFIED CORRECTIVE ACTIONS STEP 1 AND MEASUREMENTS TABLE.

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