Service difficulty report · Bypass Valve · Agusta AW109SP

Difficulty date
November 16, 2023
Submitted
November 16, 2023
Operation
General aviation
Aircraft
N631HC
Make and model
Agusta AW109SP
Aircraft serial
22312
Aircraft time
2,974 hours, 9,149 cycles
Engine
Pwc PW207C
Engine time
2,974 hours, 7,474 cycles
Part
Bypass Valve
Part number
728094
Part serial
1131
Condition
Faulted
Location
Oil Cooler
Part time
2,974 hours, 9,149 cycles
Component
Oil Cooler · Agusta
Component part number
109062069103
Stage of operation
AA
How discovered
O
Nature of condition
M, Y, J
Precautionary procedure
A

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

What was found

IN FLIGHT ENGINE #2 TEMP CAUTION ILLUMINATED ALONG WITH RISING TEMPERATURE INDICATION TO 131 CELSIUS. THEN, #2 PRESSURE WARNING ILLUMINATED WITH ERRATICALLY CHANGING PRESSURE INDICATION. SHUTDOWN #2 ENGINE AND LANDED. MAX CONTINUOUS OIL TEMPERATURE IS 128.5 C.

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