Service difficulty report · Slat System · Airbus A310324

Difficulty date
August 3, 2010
Submitted
August 9, 2010
Operation
Air carrier
Aircraft
N815FD
Make and model
Airbus A310324
Aircraft serial
638
Aircraft time
31,752 hours, 10,148 cycles
Part
Slat System
Condition
Malfunctioned
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

SLOWING THRU 200 KTS TRIED TO EXTEND SLATS. AS SOON AS HANDLE MOVED FROM DETENT, GOT LOUD GRINDING NOISE. ALSO GOT ECAM WARNING FOR SLAT 1 & SLAT 2 FAULT. RECYCLED HANDLE. WARNINGS CLEARED; SLOWED TO 180 KTS, EXTENDED SLATS NORMALLY WITH NO WARNINGS AND NO GRINDING NOISES. T/S AND REVEIWED HISTORY OF SLAT FAULTS, OPENED GEAR DOORS, REMOVED LT AND CTR AC BAY DOORS TO ACCESS SLAT COMPONENTS FWD OF SLAT PCU. FOUND RT SLAT TORQUE LIMITER IN OVERTORQUED CONDITION WITH RED INDICATOR POPPED OUT, LT TORQUE LIMITER FOUND NORMAL CONDITION. MANUALLY RESET RT TORQUE LIMITER. SUSPECT PROBLEM ORIGINATING FROM RT SIDE SLAT COMPONENTS DUE TO CURRENT FINDING AND NOTING OF BOTH TORQUE LIMITERS WERE RECENTLY RESET PRIOR TO FAULT REPEATING WITH ONLY THE RT SIDE INDICATING OVERTORQUE. PANELS REMOVED ARE IN AREA. FAULT BALL INDICATIONS OF NR 1 & NR 2 SFCC'S BOTH SHOWED JAM INDICATION, RESET FAULT BALL INDICATORS FOR FURTHER T/S. PERFORMED ADJ/TEST SLAT SYSTEM PER AMM 27-84-00-05 NO DEFECTS NOTED. BITE CHECK OF BOTH SFCC 1 AND 2 PERFORMED PER TSM 27-80-00 NO FAULTS FOUND.

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