Service difficulty report · Probe · Boeing 7377H4

Difficulty date
January 3, 2020
Submitted
February 13, 2020
Operation
Air carrier
Aircraft
N949WN
Make and model
Boeing 7377H4
Aircraft serial
36663
Aircraft time
32,623 hours, 19,647 cycles
Part
Probe
Condition
Out Of Limits
Location
Fuel Tank
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

DIVERSION/DECLARED EMERGENCY----------------------------------------------------------------SUSPECTED FUEL LEAK RIGHT #2 ENGINE. MORE THAN 500 LB IMBALANCE. NORMAL FUEL FLOWS. HAD USING RSV FUEL / MESSAGE ON FMC ALONG WITH SHOWING A 900 LB. SHORTAGE AND 1,600 LB. DIFFERENCE BETWEEN PLANNED LANDING AND ACTUAL SHOWING. / TROUBLESHOT #2 FUEL TANK FUEL QUANTITY UNITS.FOUND UNITS F6,F7,F8,F9 AND F10 IN #2 TANK RESISTANCE READINGS OUT OF LIMITS IN REF TO AMM 28-41-21. REMOVED AND REPLACED TANK UNITS F6,F7,F8,F9 AND F10 IN #2 FUEL TANK SEE AEROTEAMS (R/S78AR752B) W.O.# 66-20023, SA-M 1045 & NRC #D422424 FOR "OK TO CLOSE INSP" OPS CHECK GOOD PER 28-41-00. COMPLETED MEL 28-6-02 RESTORATION PROCEDURE IN REF TO AMM 28-00-00 CLEARING # 19855

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