SDR IPXA2019072945076

Service difficulty report · Isolation Valve · Doug MD11F

Difficulty date: July 28, 2019
Submitted: July 31, 2019
Operation: Air carrier
Aircraft: N255UP
Make and model: Doug MD11F
Aircraft serial: 48404
Aircraft time: 86,014 hours, 18,117 cycles
System (JASC): 2810 · Fuel Storage
Part: Isolation Valve
Condition: Malfunctioned
Location: Fuel System
Stage of operation: CR
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

INSPECTION TYPE:N/A AT 6HRS AND 45MINS INTO FLIGHT LEVEL 1 ALERT "FUEL VALVE FAULT" RAN QRH CHECK LIST. NOTE: 46000LBS OF FUEL TOTAL TAIL FUEL MANAGEMENT WORKING. PERFD. T/S IAW FIM 28-14-08-00 REV 90.00 CFDS READOUT REVEALED "AUX FILL ISOL VLV" INTERMITTENT FAULT. STEPS 1,2,3,13,14 DONE. VALVE WORKS NORMAL. SYSTEM OK.

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