Service difficulty report · Engine · Boeing 737890

Difficulty date
April 26, 2010
Submitted
April 29, 2010
Operation
Air carrier
Aircraft
N565AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
13,237 hours, 4,122 cycles
Engine
Cfmint CFM567B27
Part
Engine
Condition
Oil Consumption
Location
Nr 1 & 2
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

PER SEAMC NR 1 AND NR 2 ENGINE OIL CONSUMPTION RATE OUT OF LIMITS. AT .83 QTS PER HOUR ON EACH ENGINE MANUALLY CALCULATED RATES FOR EACH ENGINE ARE .51 QTS PER HOUR. AIRCRAFT RESTRICTED FROM ETOPS SERVICE PER SEAMC UNTIL OIL CONSUMPTION FALLS WITHIN NORMAL LIMITS. PER SEAMC OIL CONSUMPTION HAS RETURNED TO NORMAL ON BOTH ENGS. TOP DEFERRAL HAS BEEN REMOVED.