Service difficulty report · Line · Boeing 747237B

Difficulty date
May 14, 2003
Submitted
May 16, 2003
Operation
Air carrier
Aircraft
N524UP
Make and model
Boeing 747237B
Aircraft serial
21446
Aircraft time
66,818 hours, 17,827 cycles
Engine
Pwa JT9D7J
Engine time
67,546 hours, 18,347 cycles
Part
Line
Condition
Leaking
Location
Nr 1 Eng Oil
Stage of operation
CR
How discovered
O
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

DURING CRUISE NR 1 ENG OIL QTY SLOWLY PROGRESSED TOWARD ZERO, LOW OIL PRESS LIGHT ILLUM. FOUND OIL LEAKING FROM NR 1 ENG GEN TRANSFER TUBE PER MM 24-11-00 GEN & CSD REMOVED FOR FLT P/N 2MIT60B00010 KIT INSTALLED PERFORMED ENG RUN - NO LEAKS NOTICED. OIL LEAKING INTO THE TRANSFER TUBE FROM THE GEAR CASE AND GOING OVERBOARD