Service difficulty report · Flex Line · Boeing 75724APF

Difficulty date
December 23, 2025
Submitted
December 24, 2025
Operation
Air carrier
Aircraft
N470UP
Make and model
Boeing 75724APF
Aircraft serial
25486
Aircraft time
35,453 hours, 21,168 cycles
Part
Flex Line
Condition
Leaking
Location
Zone 100
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

EMERGENCY DECLARED, L HYD QTY RAN QRH CHECKLIST STATUS PAGE SHOWS 0.40 RF PRESSURE FLEX LINE REPLACED IAW 20-10-10, RAN HYDRAULIC SYSTEMS USING THE LEFT SYSTEM AND NOTED NO LEAKS, OPS CHECK GOOD.

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