Service difficulty report · Slat System · Emb ERJ170100LR

Difficulty date
July 11, 2026
Submitted
July 14, 2026
Operation
Air carrier
Aircraft
N732SY
Make and model
Emb ERJ170100LR
Aircraft serial
17000011
Aircraft time
34,441 hours, 32,220 cycles
Part
Slat System
Condition
Faulted
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

SLAT FAIL WHILE RETRACTING FROM 1 TO UP IN THE INITIAL CLIMB. RAN QRH AND COULD NOT GET THE MESSAGE TO EXTINGUISH. FLIGHT 5481. REFERENCE AML 1936853. FOR LT SLAT POSITION SENSOR. REFERENCE AML 1936854 FOR RT SLAT POSITION SENSOR INTERROGATED CMC FOUND FAULT CODE 27811021ACE, CODE REFERS TO FIM 27-80-00-810-802-A & 27-81-00-810-802-ATROUBLESHOT PER FIM 27-81-00-810-802-A , SLAT PDU IDENTIFIED AS RT WING JAMMED, FOUND NR 2 AND NR 4 SLAT ACTUATORS TORQUE LIMITERS TRIPPED, PERFORMED SLAT PDU BRAKE RELEASE AND WAS THEN ABLE TO LATERALLY MOVE THE TORQUE TUBE AND THE TRIP RESET. PERFORMED OPS CHECK OF THE SLATS SYSTEM IAW AMM 27-80-00 OPS CHECKED GOOD ACTUATORS DID NOT TRIP AGAIN, IAW THE FIM THIS IS FOUND TO BE A TRANSITORY CONDITION OF SLAT ACTUATORS, HOWEVER DUE TO CODE REFERRING TO ANOTHER FIM CONTINUED TO TROUBLESHOOT IAW FIM 27-80-00-810-802-A. FOUND BOTH LT AND RT RESOLVER ANGLES AT 26 DEGREES, WHICH IS FAILURE OF BOTH SLAT POSITION SENSORS AND REQUIRES REPLACEMENT. FWD DISCREPANCIES FOR REPLACEMENT OF SENSORS. SLATS CONTINUED TO OPS CHECK GOOD AFTER POSITIONS SENSOR REPLACEMENTS, REF AMM 27-80-00, NO FURTHER DEFE

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