Service difficulty report · Fuel Sys · Amd FALCON7X

Difficulty date
February 16, 2026
Submitted
February 17, 2026
Operation
General aviation
Aircraft
N990HA
Make and model
Amd FALCON7X
Aircraft serial
036
Aircraft time
5,479 hours, 1,827 cycles
Part
Fuel Sys
Condition
Contaminated
Stage of operation
IN
How discovered
V
Nature of condition
C
Precautionary procedure
K

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

What was found

POLLUTION FOUND IN FUEL TANKS AFTER REMOVAL OF BOTH WINGS - FOLLOWING REMOVAL OF BOTH WINGS FOR REPLACEMENT OF LOWER PANELS AFTER 2C INSPECTION PERFORMED IN 2025, WE FOUND CONTAMINATION IN THE WINGS, IN THE CENTRE TANK, IN THE THREE FEEDERS’ TANKS, IN THE FILTERS AND IN THE FUEL PIPES. ANALYSES OF CONTAMINATION CONFIRMED THE PRESENCE OF ALUMINIUM POWDER, MOST PROBABLY GENERATED BY BLENDING’S IN THE CENTRE TANKS. FOLLOWING MANUFACTURER RECOMMENDATION, ALL TANKS, ALL PIPES AND ALL FILTERS NEED TO BE CLEANED. ADDITIONAL ACCESSES AND INSPECTION IN PROGRESS.