SDR WRLA01001

Service difficulty report · B-Nut · Doug MD11

Difficulty date
January 22, 2001
Submitted
February 13, 2001
Operation
Air carrier
Aircraft
N278WA
Make and model
Doug MD11
Aircraft serial
48746
Engine
Pwa PW4462
Part
B-Nut
Part number
57T39701
Condition
Loose
Location
Nr 3 Engine
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

LOST ELEVEN QUARTS OF ENGINE OIL ON NR 3 ENGINE IN THE MATTER OF TWO MINUTES OF FL370, FROM THAT POINT, WE LOST ONE QUART EVERY FIFTEEN MINUTES. AT TWO QUARTS REMAINING A PRECAUTIONARY SHUTDOWN OF THE NR 3 ENGINE WAS MADE. AFTER SHUTDOWN NINE QUARTS DECREASED TO 6 QUARTS TO LANDING. TEMP PRESSURE BEFORE SID. TEMP 106, PRESS 195. AFTER SHUTDOWN, TEMP 103, PRESS 18. FOUND PRESSURE OIL LINE FITTING TO NR 3 BEARING LEAKING. RETORQUED AND SAFETY WIRED FITTING PER MM 79-21-00, WIND MILLED ENGINE. LEAK CHECK GOOD PER MM 71-00-05. OK TO PROCEED. SERVICED NR 3 ENGINE OIL EIGHTEEN QUARTS. (M)

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