Service difficulty report · Control Rod · Boeing 737322

Difficulty date
March 22, 2000
Submitted
May 30, 2001
Operation
Air carrier
Aircraft
N322UA
Make and model
Boeing 737322
Aircraft serial
23954
Aircraft time
38,444 hours, 20,450 cycles
Engine
Ge CFM56*
Part
Control Rod
Part number
693729011
Condition
Chafed
Location
Rudder
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

RUDDER POWER CONTROL UNIT CONTROL ROD AFT END OUTBOARD SIDE CHAFED, WORN AND KINKED. *S/D* CONTROL ROD REPLACED WITH SERVICEABLE CONTROL ROD. OFF UNIT SCRAPPED PER BOEING SERVICE LETTER 737-SL-27-098 WHICH WAS WRITTEN TO ADDRESS THIS ISSUE IN APRIL 1995. HEAVY MAINTENANCE JOB INSTRUCTION CARDS ARE IN PLACE TO INSPECT RODS FOR SIDE CHAFING, AND DISPOSITION BASED ON FINDINGS.