Service difficulty report · Control Rod · Boeing 737322

Difficulty date
December 30, 2000
Submitted
June 7, 2001
Operation
Air carrier
Aircraft
N307UA
Make and model
Boeing 737322
Aircraft serial
23668
Aircraft time
42,541 hours, 24,454 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. BOEING RELEASED SERVICE LETTER 737-SL-27-098 TO ADDRESS THIS ISSUE BACK IN APRIL 1995. HEAVY MAINTENANCE JOB INSTRUCTION CARDS ARE IN PLACE TO INSPECT RODS FOR SIDE CHAFING, AND DISPOSITION BASED ON FINDINGS.