Service difficulty report · O-Ring · Boeing 767306

Difficulty date
February 14, 2018
Submitted
February 14, 2018
Operation
Air carrier
Aircraft
N1321A
Make and model
Boeing 767306
Aircraft serial
27957
Aircraft time
81,776 hours, 18,921 cycles
Engine
Ge CF680C2B6F
Part
O-Ring
Part number
MS9388222
Condition
Leaking
Location
Nr 1 Eng Oil Cap
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

EVIDENCE OF THE NR 1 ENGINE OIL CAP LEAKING. REMOVED AND REPLACED THE OIL CAP O-RING IAW AMM 79-11-03, RAN ENGINE AT IDLE AND PERFORMED LEAK CHECK IAW AMM 71-00-00. LEAK CHECKED GOOD.