Service difficulty report · Seal · Boeing 747246F

Difficulty date
October 7, 2014
Submitted
October 7, 2014
Operation
Air carrier
Aircraft
N704CK
Make and model
Boeing 747246F
Aircraft serial
23391
Aircraft time
101,734 hours, 20,260 cycles
Engine
Pwa JT9D7R4G2
Part
Seal
Condition
Leaking
Location
Engine Oil
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E, A

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

What was found

NR 2 ENGINE SHUTDOWN IN FLIGHT DUE TO LOSS OF OIL QUANTITY. COMPLIED WITH NR 2 ENGINE WINDMILLING INSPECTION IAW MM 72-00-00 CONFIGURE 3, PAGE 690.18 STEP (2) A.B.C. REMOVED AND CHECKED MAIN OIL FILTER, CHECKED GOOD AND REINSTALLED IAW IAW MM 72-61-05 AND REMOVED & CHECKED MAGNETIC PLUGS, CHECKED GOOD AND REINSTALLED IAW MM 72-61-00. FOUND NR 2 ENGINE CSD SHAFT SEAL AND TRANSFER TUBE SEALS TO BE CAUSE OF LEAK. R & R SHAFT SEAL AND TRANSFER TUBE SEALS ON NR 2 ENGINE CSD. REMOVED AND REINSTALLED NR 2 ENGINE CSD IAW MM 24-11-01. LEAK CHECKS GOOD. NO OTHER DISCREPANCIES NOTED.