Service difficulty report · Gasket · Boeing 747230B

Difficulty date
May 4, 2002
Operation
Air carrier
Aircraft
N509MC
Make and model
Boeing 747230B
Aircraft serial
21221
Part
Gasket
Part number
9175M72P03
Condition
Unsecure
Location
Fuel Oil Heat Ex
Stage of operation
CL
Nature of condition
J, K
Precautionary procedure
A, E, J

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

What was found

NR 2 ENGINE SHUTDOWN DURING CLIMB OUT, DUE TO OIL CONTENT LOSS AND LOW OIL PRESSURE. DUMPED 28,000 KGS OF FUEL TO MAX LANDING WEIGHT. ENGINE WINDMILLED AT 24 PERCENT N1 UNITIL LANDING. C/A: SERVICED ENGINE OIL SYSTEM. FOUND GASKET AT FUEL OIL HEAT EXCHANGER NOT SECURED. LOWER TWO BOLTS NOT TIGHT. REMOVED GASKET AND FOUND UNSERVICEABLE DUE SEAL DAMAGED. INSTALLED NEW GASKET IAW MM. REMOVED AND REPLACED ENGINE OIL FILTER IAW MM. FILTER INSPECTION FOUND OK. REMOVED AND INSPECTED CHIP DETECTORS IAW MM. NO DEFECTS NOTED. ENGINE RUN SATISFACTORY. OIL TANK SERVICED. LEAK CHECK GOOD.