Service difficulty report · Clamp · Boeing 7377H4

Difficulty date
August 21, 2026
Submitted
August 26, 2026
Operation
Air carrier
Aircraft
N470WN
Make and model
Boeing 7377H4
Aircraft serial
33860
Aircraft time
72,862 hours, 43,851 cycles
Part
Clamp
Condition
Unsecure
Location
Zone 400
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

LEFT WING BODY OVERHEAT LIGHT. PERFORMED QRH PROCEDURES. AFTER SOME TIME THE LIGHT EXTINGUISHED. PERFORMED BITE PROCEDURE IAW FIM 26-18, TASK 806. FOUND FAULT NR 14. FOUND LEAK UNDER PANEL 521AB JUST OTBD OF ENG. RESECURED CLAMP OTBD OF WING ANTI-ICE VALVE. LEAK CHECKED GOOD IAW AMM 30-11-11.

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