Service difficulty report · Probe · Doug MD11F

Difficulty date
June 17, 2022
Submitted
June 17, 2022
Operation
Air carrier
Aircraft
N521FE
Make and model
Doug MD11F
Aircraft serial
48478
Aircraft time
85,437 hours, 16,168 cycles
Part
Probe
Part number
NA020016107
Condition
Shorted
Location
Fuel Cell
Stage of operation
CR
How discovered
V
Nature of condition
J
Precautionary procedure
A

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

What was found

AT CRUISE, RECEIVED FUEL QTY/ USED CHK. BLOCKED OUT WITH 79.0 INDICATING 57K ON BOARD HAVING BURNED 18K. MISSING 4K OF FUEL. ON BASE LEG QTY CAME UP 1K EACH TANK. ***EMERGENCY DECLARED*** FAULTS SHOW 5 LEGS WITH "T3 TU-007 PP" SHORTED PROBE AND T3 TU-007 PP CAP OUT AND SRU #007 PP INTERPROC TO. DEFERRING #3 FUEL TNK QTY INDICATING. MEL 16JUN22 23:54 MCI U RELEASED FOR SERVICE PER MEL : 28-01-01-02 CATEGORY : A EXPIRATION : 19JUN22 "MEL 28-01-01-02: TANK NO. (IDENTIFY) __ FUEL TANK S YNOPTIC QTY DISPLAY- INOP. FUEL TO KNOWN QTY, AND AF TER REFUELING, VERIFY TANK NO. 3 QTY WITH FUEL LEVEL STICKS AND RECORD IN THE AML/EAML. OPE RATE FSC IN MANUAL. TAIL FUEL MGMT - INOP." PART 16JUN22 23:57 MC1 U IDENTIFIED PARTS NO.7 FUEL MPN: 020-016-107 CPN: 2800227 QTY: 1 PART 16JUN22 23:57 MC1 U IDENTIFIED PARTS MJP - MULTIPLEX J MPN: 003-008-208 CPN: 2812091 QTY: 1

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