Service difficulty report · Housing · Boeing 737*

Difficulty date
February 25, 2000
Submitted
May 2, 2000
Operation
Air carrier
Make and model
Boeing 737*
Part
Housing
Part number
654458211
Condition
Cracked
Location
Master Cylinder
Component
Sov Mod Pack · Boeing
Component part number
65445815
Stage of operation
IN
How discovered
V
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

HOUSING ASSEMBLY IS CRACKED THROUGH INTERNAL PORT THAT SUPPLIES THE HYDRAULIC FLUID TO THE LARGE BORES. POSSIBLE CAUSE: HOUSING ASSY HAS BEEN NOTED TO HAVE A HISTORY OF CRACKING IN THIS AREA. WEAK AREA OF HOUSING DUE TO DESIGN OF MANUFACTURING PROCESS. (X)