Service difficulty report · Valve · Boeing 737890

Difficulty date
July 12, 2013
Submitted
July 16, 2013
Operation
Air carrier
Aircraft
N565AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
25,357 hours, 7,765 cycles
Part
Valve
Part number
41F3003
Part serial
YT0190928
Condition
Leaking
Location
Nr 2 Engine Oil
Part time
1,639 hours, 463 cycles
Stage of operation
IN
How discovered
V
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

NR 2 ENGINE OIL LEVEL DROPS 3 QUARTS SHORTLY AFTER SERVICING TO FULL. OIL CONSUMPTION WITHIN LIMITS. ACFT GROUNDED. IAW TSR, REPLACED NR 2 ENGINE OIL ANTI-LEAK VALVE IAW AMM 79-21-09-000-801-F00, 79-21-09-400-801-F00, 71-00-00-800-811-F00. SERVICED ENGINE TO FULL. RAN ENGINE FOR 5 MIN NO LEAKS NOTED.