SDR AU000348

Service difficulty report · Bearing · Boeing 737377

Difficulty date
April 14, 2000
Submitted
June 23, 2000
Operation
Air carrier
Make and model
Boeing 737377
Part
Bearing
Part number
21830
Condition
Failed
Location
Hydraulic Pump.
Part time
21,444 cycles
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

(AUS) SYSTEM A HYDRAULIC PUMP FAILED INTERNALLY. SUSPECT CAUSED BY FAILED TRUNNION BEARINGS. METAL CONTAMINATION OF HYDRAULIC FILTERS.