SDR 2002UALA00763

Service difficulty report · Pcu · Boeing 767222

Difficulty date: April 25, 2002
Submitted: May 28, 2002
Operation: Air carrier
Aircraft: N609UA
Make and model: Boeing 767222
Aircraft serial: 21870
Aircraft time: 73,067 hours, 18,138 cycles
Engine: Pwa JT9D7R4D
System (JASC): 2721 · Rudder Tab Control System
Part: Pcu
Condition: Malfunctioned
Location: Rudder
Stage of operation: CR
How discovered: O
Nature of condition: F
Precautionary procedure: A

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

What was found

IN CRUISE THE RUDDER TRIM FROZE. ATTEMPTS TO TROUBLESHOOT WITH THE CAPTAIN WERE UNSUCCESSFUL. DIVERTED TO ORD. NO EMERGENCY DECLARED. REPLACED CENTER PCU, REPLACED RUDDER TRIM MODULE AND RUDDER TRIM POSITION INDICATOR, REPLACED RUDDER TRIM ACTUATOR. REPAIRED SEVERAL BENT PINS ON CONNECTOR D5300J. ADJUSTED AND TESTED RUDDER PER MM 27-21-00. REPLACED CENTER PCU. ACCOMPLISHED REPLACEMENT OF THE RUDDER FEEL CENTERING & TRIM MECHANISM IAW MM 27-21-10 PAGE 214.