Service difficulty report · Warning Message · Boeing 767304

Difficulty date
October 1, 2025
Submitted
October 2, 2025
Operation
Air carrier
Aircraft
N391UP
Make and model
Boeing 767304
Aircraft serial
28039
Aircraft time
90,722 hours, 20,145 cycles
Part
Warning Message
Condition
Illuminated
Location
Hyd Sys
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

AIR TURNBACK. AFTER TAKEOFF WHILE RETRACTING FLAPS FROM F5 TO F1 WE RECEIVED C HYD QTY ABD STATUS PAGE SHOWED QUANTITY DECREASING