Service difficulty report · Float Switch · Boeing 7378

Difficulty date
April 14, 2026
Submitted
April 27, 2026
Operation
Air carrier
Aircraft
N8756S
Make and model
Boeing 7378
Aircraft serial
67209
Aircraft time
12,865 hours, 6,199 cycles
Part
Float Switch
Condition
Failed
Location
Zone 600
Stage of operation
TX
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

RIGHT MAIN TANK FUEL LEAK DUE TO POSSIBLE FAILED VALVE. RIGHT WING FLOAT SWITCH INOPERATIVE, OK TO CONT IAW MEL 28-21-01A SP1, AND SP1B. R & R RIGHT TANK FLOAT SWITCH IAW AMM 28-21-71. OPS CHECK AND LEAK CHECK GOOD.

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