Service difficulty report · Lubrication Unit · Boeing 737890

Difficulty date
February 11, 2019
Submitted
February 13, 2019
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
34,718 hours, 10,249 cycles
Engine
Cfmint CFM567B27
Part
Lubrication Unit
Part number
41F1005
Part serial
YT130156
Condition
Stuck
Location
Nr 1 Engine
Part time
42,329 hours, 12,713 cycles
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

FWD SUMP SEALING SPOOL ON LUBE UNIT STUCK OPEN AND SEALS ARE CUT, #1 ENGINE. GROUNDED - YES. REPLACED #1 ENGINE LUBE UNIT PER B737-800 AMM 79-21-01. LK CK GOOD.