Service difficulty report · Engine · Boeing 737890

Difficulty date
November 14, 2008
Submitted
November 18, 2008
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
8,473 hours, 2,543 cycles
Engine
Ge CFM56*
Engine time
31,124 hours, 13,617 cycles
Part
Engine
Part serial
876334
Condition
Making Metal
Location
Nr 2
Part time
31,124 hours, 13,617 cycles
Stage of operation
IN
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

FOUND MATERIAL IN AFT SUMP CHIP DETECTOR NR 2 ENGINE FOUND APPROX 4 PIECES ALL NON MAGNETIC. THE LARGEST APPROX 0.400". UNABLE TO DETERMINE MATERIAL. RAN ENGINE NR 2 AT HIGH PWR PER CHIP ANALYSIS MANUAL. SENT MATERIAL TO SEA FOR EVALUATION. NO PARTICLES NOTED AFTER ENG RUN. ENGINE IS CURRENTLY ON REINSPECT INTERVAL.