Service difficulty report · Pump · Cessna 750

Difficulty date
April 1, 2026
Submitted
April 1, 2026
Operation
General aviation
Aircraft
N777KT
Make and model
Cessna 750
Aircraft serial
7500514
Aircraft time
3,471 hours, 3,044 cycles
Part
Pump
Part number
66166
Part serial
EM997P
Condition
Faulted
Location
Lt Engine
Component
Hydraulic Sysem
Component part number
NAS16128
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
B, A

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

What was found

DURING FLIGHT IAD TO SDL WITH OWNER ON-BOARD AND THEY LOST HYD A FLUID IN FLIGHT. THE INDICATOR WENT DOWN TO %9 FAST. THE PILOT PULLED THE PTU CB. DECLARED AN EMERGENCY AND LANDED SAFELY AT KSTL.

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