Service difficulty report · Control Cable · Emb EMB505

Difficulty date
July 14, 2021
Submitted
July 26, 2021
Operation
General aviation
Filed by
3WTR399B
West Star Aviation, LLC
Aircraft
N304GV
Make and model
Emb EMB505
Aircraft serial
50500355
Aircraft time
3,963 hours, 3,234 cycles
Engine
Pwc PW535E
Part
Control Cable
Part number
50515135405
Condition
Frayed
Location
Lt Ailerons
Part time
3,963 hours, 3,234 cycles
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

FOUND BROKEN AILERON CABLE STRANDS ON LH AND RH WING CABLES, 2EA P/N 505-15135-405 WHILE PERFORMING DVI INSPECTION ON TASK CODE 27-11-02-002 FOR A 3200 HR/60 MONTH INSPECTION. THE CABLES HAVE NO INDICATION OF WEAR AND HAVE MULTIPLE STRANDS BROKEN ON THE UPPER SIDE OF THE CABLE LOCATED AT A PULLEY. THE LOCATION OF THE PULLEY IS FWD OF SPAR 1 AND RIB 14. THIS IS AN ABNORMAL DEFECT AND WAS ONLY DETECTED WITH A FLASHLIGHT AFTER CLEANING THE CABLES. STRANDS ARE BROKEN SMOOTH AND DO NOT CATCH A RAG WHEN WIPED. THE CABLES APPEAR TO BE BRITTLE AND INDIVIDUAL STRANDS HAVE BROKEN IN HALF. THIS CONDITION WAS FOUND IN BOTH WING LEADING EDGES AT A PULLEY THAT IS A VERY MINOR BEND. THIS IS THE SECOND AIRCRAFT FOUND WITH THIS CONDITION AND HAS BEEN REPORTED TO THE AIRCRAFT MANUFACTURER EMBRAER UNDER CASE NUMBER EEJ-04208814

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