Service difficulty report · Relief Valve · Saab SF340A

Difficulty date
August 31, 2015
Submitted
September 1, 2015
Operation
Air carrier
Aircraft
N651BC
Make and model
Saab SF340A
Aircraft serial
340A076
Aircraft time
45,442 hours, 48,031 cycles
Engine
Ge CT75A2
Part
Relief Valve
Part number
4040T79G01
Part serial
G0502264
Condition
Faulty
Location
Oil System
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ABOUT 10 MINUTES AFTER TAKEOFF, RT ENG OIL TEMP WENT ABOVE RED LINE. REDUCED POWER & FOLLOWED QRH. TEMP SLOWLY STARTED TO REDUCE, OIL PRESS WAS 48 PSI. TROUBLE SHOT SYS & FOUND COLD OIL RELIEF VLV INOPERATIVE. R & R RT COLD OIL RELIEF VLV. GND OPERATIONAL CHECKED SATISFACTORY & CHECK FLIGHT ALSO SATISFACTORY.

More about the Saab SF340A