Service difficulty report · Bulb · Boeing 747443

Difficulty date
June 25, 2026
Submitted
June 26, 2026
Operation
Air carrier
Aircraft
N481MC
Make and model
Boeing 747443
Aircraft serial
32339
Aircraft time
91,811 hours, 12,044 cycles
Part
Bulb
Part number
1317
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

LEFT AFT OVERWING EMERGENCY LIGHT INOPERATIVE. EMERGENCY LIGHTS AT 73C & 49G. REMOVED & REPLACED THE LT AFT OVERWING EMERGENCY LIGHT IAW AMM 33-51-03 & REPLACED THE CEILING EMERGENCY LIGHTS 49G & 73C IAW AMM 33-51-40-7. OPS CHKED OK.