Service difficulty report · O-Ring · Boeing 737300

Difficulty date
September 4, 2016
Submitted
September 8, 2016
Operation
Air carrier
Aircraft
N303KH
Make and model
Boeing 737300
Aircraft serial
25606
Aircraft time
39,024 hours, 40,426 cycles
Engine
Cfmint CFM563C1
Engine time
37,356 hours, 38,562 cycles
Part
O-Ring
Condition
Failed
Stage of operation
IN
How discovered
V
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

FOD FOUND IN FWD SUMP LUBE UNIT DURING ROUTINE CHECK. O-RING MATERIAL IN CENTER CHIP DETECTOR AND NUT FOUND STUCK IN FWD SUMP OIL PORT. REMOVED AND REPLACED NR 1 ENGINE. OPS CHECKED GOOD IAW AMM 71-00-02.

More about the Boeing 737-300