SDR SAJF20130201004

Service difficulty report · Cable · Boeing 747409F

Difficulty date: February 1, 2013
Submitted: February 4, 2013
Operation: Air carrier
Aircraft: N18715
Make and model: Boeing 747409F
Aircraft serial: 33731
Aircraft time: 39,860 hours, 6,873 cycles
Engine: Ge CF680C2B1F
System (JASC): 2710 · Aileron Control System
Part: Cable
Condition: Broken
Location: Ailerons
Stage of operation: TX
How discovered: O
Nature of condition: F
Precautionary procedure: D

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

What was found

(B-18715) ACFT PUSH BACK IN POSITION, FLAP DOWN, FOUND LT OTBD AILERON INOPERATIVE. THE ACFT WAS TOWED BACK TO HANGAR FOR MAINT. GROUND CK FOUND LT AILERON CONTROL CABLE AB13 BROKEN AND CABLE AA11 FRAYED. PFM INSPECTION OF AILERON CONTROL QUADRANT, CABLE DRUM, PULLEY IN ADJACENT AREA , NO SIGN OF CHAFING MARK WAS FOUND IAW AMM 27-00-01. REPLACED CABLE AA11 & AB13 AND IAW AMM 27-11-00 PFM AILERON CABLE ADJUSTMENT AND OPERATION TEST RESULT NORMAL.