Service difficulty report · Seal · Boeing 737990ER

Difficulty date
May 16, 2022
Submitted
May 18, 2022
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
31,999 hours, 10,138 cycles
Engine
Cfmint CFM567B27E
Part
Seal
Part number
3051157090
Condition
Leaking
Location
#2 Engine
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

#2 ENG IDG PAD DRAIN LEAKING OIL OUT OF LIMITS. GROUNDED - YES. REPLACED THE #2 ENGINE IDG DRIVE PAD SEALOL REF B737-900 AMM 72-60-00. REMOVED/REINSTALLED THE #2 IDG WITH NEW SHAFT SEAL/O-RING REF AMM 24-11-11. ALL LK AND OPS CKS GOOD.