SDR UALA2010100703719

Service difficulty report · Tab · Boeing 777222

Difficulty date: October 6, 2010
Submitted: October 11, 2010
Operation: Air carrier
Aircraft: N768UA
Make and model: Boeing 777222
Aircraft serial: 26919
Aircraft time: 62,988 hours, 11,511 cycles
Engine: Pwa PW4077
System (JASC): 5543 · Rudder, Tab Structure
Part: Tab
Condition: Cracked
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 TAB SKIN IS CRACKED ON THE LEADING EDGE LH SIDE APPROXIMATELY THREE INCHES FROM TOP. REMOVED RUDDER TAB. RUDDER PCU LOCK IS INSTALLED, RUDDER PCU CIRCUIT BREAKERS ON POWER SUPPLIES PULLED AND TAIL HYD POWER SWITCHES ARE IN SHUTOFF. REMOVED PANELS, HARDWARE AND SLING IS IN SMC COPIER ROOM. TAB SENT TO SHOP 273, SFO ON 10-06-10. REPLACED RUDDER TAB. RUDDER PCU LOCK REMOVED AND RETURNED TO STORES. RUDDER TAB INSTALLATION PER MM.