Service difficulty report · Float Switch · Boeing 7378

Difficulty date
July 25, 2026
Submitted
July 30, 2026
Operation
Air carrier
Aircraft
N8851Q
Make and model
Boeing 7378
Aircraft serial
67825
Aircraft time
11,620 hours, 6,321 cycles
Part
Float Switch
Condition
Leaking
Location
Zone 600
Stage of operation
TX
How discovered
V
Nature of condition
K
Precautionary procedure
O

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

What was found

RIGHT WING LEAKING FUEL FROM OUT BOARD VENT RIGHT WING FLOAT SWITCH OK TO CONTINUE PER MEL 28-21-01A SP#1 & SP#1B REMOVED AND REPLACED RIGHT WING FUEL FLOAT SWITCH PER AMM 28-21-71. ALL WORK PERFORMED BY OUTSIDE VENDOR AEROTEAMS SEE WORK ORDER 66-26166

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