SDR IXXA201309270047

Service difficulty report · Failsafe · Boeing 767232

Difficulty date: September 9, 2013
Submitted: September 27, 2013
Operation: Air carrier
Aircraft: N762CX
Make and model: Boeing 767232
Aircraft serial: 22225
Aircraft time: 78,193 hours, 36,336 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Failsafe
Condition: Corroded
Location: Bs 1348
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING HEAVY MX VISIT, MX AND ENGINEERING REPORTED AN AREA OF CORROSION ON THE FAILSAFE STRAP, BS 1348 FRAME S21-22R. CORROSION REMOVED. HFEC OPEN-HOLE INSPECTION AND SURFACE SCAN INSPECTIONS WERE ACCOMPLISHED AND CRACK INDICATIONS WERE DISCOVERED IN THREE EXISTING FASTENER LOCATIONS. DISCREPANT HOLES WERE REWORKED FROM 0.250" IN .0156" INCREMENTS TO 0.277". HFEC OPEN-HOLE INSPECTION VERIFIED CRACK FREE CONDITIONS AT ALL EXISTING FASTENER LOCATIONS. MX CONFIRMS ALL CORROSION HAS BEEN REMOVED.