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