Service difficulty report · Control Unit · Boeing 727225

Difficulty date
January 16, 2001
Submitted
January 29, 2001
Operation
Air carrier
Aircraft
N8889Z
Make and model
Boeing 727225
Aircraft serial
21858
Aircraft time
49,316 hours, 32,422 cycles
Part
Control Unit
Part number
591005015
Condition
Leaking
Location
Rudder
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

DURING CRUISE B-SYSTEM HYD QTY DECREASED. FOUND UPPER RUDDER POWER CONTROL UNIT LEAKING. REPLACED UPPER RUDDER POWER CONTROL UNIT.