SDR 2007UALA03858

Service difficulty report · Spoiler · Boeing 767322

Difficulty date: September 22, 2007
Submitted: September 28, 2007
Operation: Air carrier
Aircraft: N665UA
Make and model: Boeing 767322
Aircraft serial: 29237
Aircraft time: 31,972 hours, 9,144 cycles
Engine: Pwa PW4052
System (JASC): 2760 · Drag Control System
Part: Spoiler
Condition: Malfunctioned
Location: Nr 6
Stage of operation: NR
How discovered: 9
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

BINDING IN NR 6 SPOILER. BINDING OCCURRED ONLY WITH LEFT HYD SYSTEM AND LEFT WING DOWN - SPOILER NR 6 UP. SPOILER WAS CHATTERING WITH ASSOCIATED NOISE. WITH ONLY CENTER OR RIGHT HYD, NO BINDING OR NOISE NOTED. NR 6 SPOILER FAILED TO LIFT WITH LEFT HYD POWER AT ONE POINT DURING TROUBLESHOOTING. 10-19-07 REMOVED NR 6 SPOILER ACTUATOR PER MM 27-61-02. INSTALLED NR 6 SPOILER ACTUATOR PER MM 27-61-00. OP CHECKS AND LEAK CHECKS GOOD.