Service difficulty report · Lubrication Unit · Boeing 737890

Difficulty date
June 16, 2022
Submitted
June 17, 2022
Operation
Air carrier
Aircraft
N538AS
Make and model
Boeing 737890
Aircraft serial
41188
Aircraft time
36,885 hours, 10,764 cycles
Engine
Cfmint CFM567B27
Part
Lubrication Unit
Part number
41F1005
Part serial
YT133462
Condition
Leaking
Location
#1 Engine
Part time
37,148 hours, 10,759 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

FOLLOWUP TO REPORT OF CONTINUED #1 ENG LEAK AFTER AFT SUMP MAINTENANCE. GROUNDED - YES. REMOVED & REPLACED #1 ENG LUBE UNIT REF B737-800 AMM 79-21-01. LEAK CHECK GOOD.