Service difficulty report · O-Ring · Boeing 737890

Difficulty date
July 29, 2011
Submitted
August 1, 2011
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737890
Aircraft serial
35184
Aircraft time
16,724 hours, 5,459 cycles
Part
O-Ring
Part number
6493930270
Condition
Cut
Location
Oil System
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
K

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

What was found

FOUND FWD SUMP MAGNETIC CHIP DETECTOR LEAKING 1 DROP PER MINUTE ON NR 2 ENGINE. REMOVED NR 2 ENG FWD SUMP MCD PER MM 79 21 05 FOUND CUT O-RING. REPLACED O-RING AND RE-INSTALLED MCD PER MM 79 21 05 400 804 F00. MOTORED ENG TO POSITIVE PRESSURE VERIFIED LEAK STOPPED. OK FOR SERVICE.