Service difficulty report · Bulb · Boeing 777300ER

Difficulty date
August 20, 2025
Submitted
August 20, 2025
Operation
Air carrier
Aircraft
N2243U
Make and model
Boeing 777300ER
Aircraft serial
63723
Aircraft time
34,894 hours, 3,808 cycles
Part
Bulb
Condition
No Test
Location
Zone 100
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WING ILLUMINATION LIGHTS - OPERATIONAL TEST PROCEDURE - LEFT LANDING LIGHT BULB DOES NOT PROVIDE ILLUMINATION UPON REMOVAL OF BULB NOTICED TERMINALS TO BE SINGED AND EMITTING AN ODOR. INSPECTED LEFT WING LANDING LIGHT (L33115) WIRES. FOUND ON WIRE W5164-0056-12 & W5164-0057-12 THE TERMINAL ENDS TO BE BURNT. R/R TERMINAL ENDS IAW WDM 33-42-11-3 & SWPM. LEFT WING LANDING LIGHT (L33115) INSTALLATION & OPS CHECK REQUIRED RELAMPED LEFT LANDING LIGHT BULB OPS CHECK GOOD AS PER 32-42-02

More about the Boeing 777-300ER