SDR UALA2009112503661

Service difficulty report · Duct · Boeing 767322

Difficulty date: November 24, 2009
Submitted: November 25, 2009
Operation: Air carrier
Aircraft: N644UA
Make and model: Boeing 767322
Aircraft serial: 25094
Aircraft time: 79,255 hours, 12,754 cycles
Engine: Pwa PW4060
System (JASC): 2780 · Leading Edge Slat Control System
Part: Duct
Condition: Ruptured
Location: Anti-Ice System
Stage of operation: IN
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

ON ARRIVAL FOUND WING ANTI ICE BLOW OUT PNL DISINTEGRATED AT THE LT WING STA 523AT. FURTHER T-S SHOWED COMPOSITE DUCT RUPTURED AT STA 523 AT JOINING METAL DUCT. REPLACED TAI DUCT. DISCONNECTED AND RECONNECTED SLAT CONTROL ROD AT BOTH ENDS OF SLAT NR 4. ACCOMPLISHED RII INSPECTION PER METHOD 1 ON INSTALLATION AND OPERATION OF SLAT NR 4, ALL OPS AND IND NORMAL. RECONNECTED AND LEAK CHECKED WING ANTI ICE DUCTS (INTERSTITIAL DUCTS). OK FOR SVC.