Service difficulty report · Wire · Boeing 7378H4

Difficulty date
August 1, 2026
Submitted
August 6, 2026
Operation
Air carrier
Aircraft
N8674B
Make and model
Boeing 7378H4
Aircraft serial
36734
Aircraft time
35,636 hours, 17,616 cycles
Part
Wire
Condition
Shorted
Location
Zone 700
Stage of operation
DE
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

DURING DESCENT BELOW 7,000, WITH LANDING GEAR UP & LANDING GEAR LEVER OFF, THE GREEN LIGHT ILLUMINATED INTERMITTENTLY ON THE FWD PANEL. THE OVERHEAD PANEL WAS NORMAL, WITH THE LANDING GEAR DOWN AND LANDING GEAR LEVER DOWN, GREEN LT GEAR LIGHT WOULD INTERMITTENTLY EXTINGUISH WHILE OVERHEAD LIGHTS WERE NORMAL. ON GROUND, NORMAL INDICATIONS. T/S IAW FIM 32-61-TASK 801, & WDM 32-64-11, FOUND WIRE W5530-2221B-22 SHORTED TO A LAV DRAIN TUBE CLAMP. REPAIRED THE WIRE IAW SWPM 20-10-13. REPOSITIONED WIRE BUNDLE, & PROVIDED CLEARANCE IAW SWPM 20-10-12. PERFORMED MLG DOWN & LOCKED SENSORS OPS CHKS IAW AMM 32-61-31, TEST PASSED.

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