Service difficulty report · Switch · Doug MD11F

Difficulty date
July 3, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N616FE
Make and model
Doug MD11F
Aircraft serial
48747
Aircraft time
82,904 hours, 20,761 cycles
Part
Switch
Part number
W20130
Condition
Failed
Location
Unknown
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

LEVEL 2 FUEL QTY/USED CHK ALERT OCCURRED WHILE FUEL SYSTEM IN AUTO AND WAS TRANSFERRING FUEL TO FILL THE WING TANKS. FLIGHT DID A MAINTENANCE DIVERSION TO IAD, EMERGENCY DECLARED. ACCOMPD A/C EXTERIOR INSPECTION. NO FUEL LEAKAGE NOTED. ACCOMPLISHED FSC FAULT REVIEW, TNK2 XFER PLO SWI AND TANK 2 FWD PLO SW, ACCOMPLISHED FSC SELF TEST NORMAL. NO FAULTS NOTED AT THIS TIME REVIEWING ABOVE REFERENCES. PLACING FSC ON MEL COMPLETED FIM 28-14-00-2. FOUND FUEL RESET SWITCH STICKING AND TESTED SWITCH AND FOUND HIGH OHMS WHEN PRESSED. REPLACED SWITCH S1-293 PER SWPM 20-20-03 AND TESTED PER AMM 31-12-04-2. PERFORMED FUEL SYSTEM TEST PER AMM 28-08-01-5. ALL CHECK NORMAL.

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