Service difficulty report · Housing · Boeing 737*

Difficulty date
September 17, 2003
Submitted
October 16, 2003
Operation
Air carrier
Make and model
Boeing 737*
Part
Housing
Part number
511531
Condition
Cracked
Location
Shuttle Valve
Component part number
50601
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

CRACKED INNER DIAMETER OF MOUNT HOLE. OVER TORQUE, OVER PRESSURE OF POOR DESIGN. ENGINEER NEW DESIGN OF MATERIAL TYPE.