SDR UIEA2017071501224

Service difficulty report · Spoiler · Boeing 74747UF

Difficulty date: July 14, 2017
Submitted: July 18, 2017
Operation: Air carrier
Aircraft: N496MC
Make and model: Boeing 74747UF
Aircraft serial: 29257
Aircraft time: 72,758 hours, 11,947 cycles
System (JASC): 2760 · Drag Control System
Part: Spoiler
Condition: Lack Of Lube
Location: Nr 7
Stage of operation: DE
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

DURING DECENT, 280 AIR SPEED, AT 15,000 FT, WITH RIGHT AUTOPILOT ENGAGED, EXTENDED THE SPEED BRAKES SLOWLY, THE AIRCRAFT TURNED 6 DEGREES TO THE LEFT. PERFORMED OPS CHECK ON SPOILER SYSTEM AND FOUND THE NR 7 SPOILER WAS SLOW TO EXTEND. ACCOMPLISHED LUBRICATION OF NR 7 SPOILER PANEL IAW AMM 12-00. PERFORMED FUNCTIONAL AND OPS CHECKS IAW AMM 27-61 AND THE AUTOLAND UNIQUE TEST WAS SUCCESSFUL.

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