SDR EIAA9682

Service difficulty report · O-Ring · Boeing 747132

Difficulty date: November 2, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N479EV
Make and model: Boeing 747132
Aircraft serial: 19898
Engine: Pwa JT9D7AH
System (JASC): 7261 · Turbine Engine Oil System
Part: O-Ring
Condition: Cut
Location: Oil Fill Cap
Stage of operation: CL
Nature of condition: K, J
Precautionary procedure: E

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

What was found

SBGR - DURING CLIMB, NR 2 ENGINE OIL QTY SLOWLY DECREASED TO ZERO, ACCOMPANIED WITH FLUCTUATING OIL PRESSURE. IN FLIGHT ENGINE FAILURE AND SHUTDOWN CHECKLIST COMPLETED TOTAL WINDMILLING TIME 3 PLUS 10, MINIMUM OIL PRESSURE WAS 16 PSI STEADY. IN FLIGHT SHUTDOWN INSPECTION COMPLETED AS PER MM 77-00-00. DURING INSPECTION FOUND OIL CAP SEAL CUT. REMOVED AND REPLACED O-RING PER MM V12-13-03. ENGINE RUN COMPLETED, LEAK CHECK OK. (M)