Service difficulty report · Relief Valve · Boeing 727200

Difficulty date
July 9, 2002
Submitted
July 10, 2002
Operation
Air carrier
Aircraft
N490FE
Make and model
Boeing 727200
Aircraft serial
21493
Aircraft time
36,832 hours, 23,712 cycles
Engine
Pwa JT8D15
Part
Relief Valve
Condition
Out Of Adjust
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

NR 2 OIL PRESSURE READ 60 PSI DURING INITIAL CLIMBOUT. AFTER REACHING 5K NR 2 THROTTLE PULLED TO IDLE IAW RED TAB PROCEDURE. OIL PRESSURE DROPPED TO 58 PSI INITIALLY THEN SLOWLY DROPPED INTO GREEN BAND APPROX 52 PSI AT IDLE AND REMAINED THERE DURING APPROACH INTO MEM. ADJUSTED OIL PRESS RELIEF VALVE AND BROUGHT OIL PRESSURE IN LIMITS. RAN ENGINE AT HIGH POWER SETTING OIL PRESSURE WENT TO APPROX 48-49 PSI, 42 PSI AT IDLE. ALSO FOUND OIL TANK OVER SERVICED. SERVICED TO PROPER LEVEL PER SMP REF PW ENGINE MANUAL 72-61-6.

More about the Boeing 727-200