Service difficulty report · Pressure Switch · Doug MD11F

Difficulty date
November 25, 2007
Submitted
November 26, 2007
Operation
Air carrier
Aircraft
N603FE
Make and model
Doug MD11F
Aircraft serial
48459
Aircraft time
54,359 hours, 12,420 cycles
Engine
Ge CF680
Engine time
44,968 hours, 10,309 cycles
Part
Pressure Switch
Part number
21SN04334
Part serial
CFL9500A
Condition
Malfunctioned
Location
Oil System
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
E, A

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

What was found

DURING CRUISE FLIGHT, GOT A LEVEL 2 ALERT "ENG 2 OIL FILTER". THIS ALERT DID NOT GO AWAY, EVEN WITH THROTTLE IDLE. ENGINE SHUT DOWN IAW QRH NO OTHER ABNORMAL INDICATIONS. REPLACED OIL FILTER DIFFERENTIAL PRESSURE SWITCH PER MM 79-35-01-4. REFLUSH NR 2 ENG OIL SYS PER MM 12-12-01-3 AND INSPECTION MASTER CHIP DETECTOR PER MM 79-36-01-6. REPLACED NR 2 ENG OIL SCAVENGE FILTER PER MM 79-22-04-4. ALL NO DSIC FOUND PER MM 79-22-04-6. RAN NR 2 ENG PER MD-11 JRH ALL PARAMETER NORMALLY.

More about the Doug MD-11F