Service difficulty report · Hydraulic System · Boeing 7478F

Difficulty date
November 20, 2024
Submitted
November 20, 2024
Operation
Air carrier
Aircraft
N611UP
Make and model
Boeing 7478F
Aircraft serial
64257
Aircraft time
24,569 hours, 3,582 cycles
Part
Hydraulic System
Condition
Leaking
Location
Zone 100
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

DIVERSION, IN FLT HYD QTY LOW 1 EICAS . PRESSURE OK, QTY CONTINUED TO DECLINE. EVENTUALLY QTY WENT TO ZERO. HYD PRESS ENG 1 EICAS.

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