Service difficulty report · Check Valve · Doug MD11F

Difficulty date
May 8, 2022
Submitted
May 9, 2022
Operation
Air carrier
Aircraft
N602FE
Make and model
Doug MD11F
Aircraft serial
48402
Aircraft time
92,552 hours, 23,497 cycles
Part
Check Valve
Part number
272002721
Condition
Malfunctioned
Location
Fuel System
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A, J

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

What was found

ENROUTE HNL OVER PHX LVL 2 FUEL QTY/USED CHECK, POSSIBLE FUEL ALERT. DID A FUEL USED SUMMARY AND DETERMINED 3,000 LBS SHORT OF FUEL AND STILL DECREASING . COMPLIED WITH QRH AND ISOLATED ALL TANKS. FUEL STABILIZED 8000# LOW. WE DUMPED 6000# TO LOWER LANDING WEIGHT. NO FURTHER ALERTS. FIRE DEPARTMENT SAW NO EVIDENCE OF LEAK AFTER LANDING. COMPONENT REPLACEMENT AND FINAL LEAK CHECK ACCOMPLISHED

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