Service difficulty report · Probe · Boeing 7377H4

Difficulty date
September 23, 2026
Submitted
September 25, 2026
Operation
Air carrier
Aircraft
N473WN
Make and model
Boeing 7377H4
Aircraft serial
33832
Aircraft time
72,915 hours, 43,699 cycles
Part
Probe
Condition
Faulty
Location
Zone 500
Stage of operation
CL
How discovered
O
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

NR 1 MAIN TANK BURNED 800 LBS. AFTER TAKE OFF WITH CENTER TANK FUEL PUMPS ON WITH FUEL IN CENTER TANK. THE NR 1 FUEL GUAGE SHOWED ABOUT 800LBS. LOST IN ONE MINUTE. REF TANK TIGER REPAIR WORK ORDER TT04060 FOR ALL WORK PERFORMED. ACFT OKAY FOR SERVICE.

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