Service difficulty report · Housing · Boeing 737

Difficulty date
August 21, 2001
Submitted
October 25, 2001
Operation
General aviation
Make and model
Boeing 737
Part
Housing
Part number
511531
Condition
Cracked
Location
Shuttle Valve
Component
Shuttle Valve · Pneudraulics
Component part number
50592
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 IS CRACKED ALONG THE TOP CASTING SEAM. FATIGUE, DEFECT IN THE CASTING OF THE HOUSING AND/OR OVER TORQUE OF BOLT ON INSTALLATION.