Service difficulty report · Seal · Boeing 737*

Difficulty date
November 7, 2021
Submitted
December 10, 2021
Operation
Air carrier
Aircraft
N821NN
Make and model
Boeing 737*
Aircraft serial
30912
Aircraft time
35,999 hours, 14,646 cycles
Part
Seal
Condition
Damaged
Location
Zone 400 - Nac/P
Component
Engine · CFM567B
Component part number
CFM567BTIQEC737
Stage of operation
CR
How discovered
V
Nature of condition
J, K
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: LH ENGINE OIL QTY INDICATION LOW WITH OIL PRESSURE FLUCTUATING IN PRECAUTIONARY AMBER ZONE, FLIGHT DECLARED EMERGENCY AND DIVERTED TO RDU. **SUPPLEMENTAL REPORT: REPLACED SEALOL SEAL WITH NEW AT N2 DRIVE PAD ON LH ENGINE IAW AMM 72-60-00 AND REPLACED LH ENGINE (AALA202112106009) WITH SERVICEABLE UNIT IAW WORKCARD 08L40072003, LEAK AND OPS CHECK GOOD. WILL BE SUBMITTED.** (CLOSED)