Service difficulty report · Mount · Boeing 737400

Difficulty date
March 27, 2019
Submitted
August 17, 2020
Operation
General aviation
Make and model
Boeing 737400
Aircraft time
51,403 hours
Engine
Cfmint CFM563C1
Part
Mount
Part number
LM321SA19V
Condition
Cracked
Location
Engine
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) DESCRIPTION: DURING ROUTINE INSPECTION OF PYLON WHILE PERFORMING SCHEDULED POWERPLANT REMOVAL AND INSTALLATION , BOTH FORWARD AND THE AFT ENGINE MOUNT ISOLATORS WERE FOUND TO HAVE CRACKS IN THE RUBBER. CORRECTION: ALL THREE MOUNTS BEING REPLACED.

More about the Boeing 737-400