Service difficulty report · Skin · Boeing 747128

Difficulty date
May 15, 2001
Submitted
May 15, 2001
Operation
Air carrier
Aircraft
N3203Y
Make and model
Boeing 747128
Aircraft serial
19751
Aircraft time
85,973 hours, 19,030 cycles
Part
Skin
Part number
65B0577117
Condition
Cracked
Location
Elevator
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

REPAIR- RIGHT INBD ELEVATOR LEADING EDGE, UPPER SURFACE ELEV STA 77-86. AN EXISTING REPAIR WAS FOUND OUTBOARD OF THE CRACK LOCATION. THE EXISTING REPAIR WAS REMOVED TO INCORPORATE THE NEW CRACK INTO THE REPAIR. UPON DISASSEMBLY IT WAS FOUND THAT THE PRIOR REPAIR AREA WAS A RESULT OF DEFORMATION AND CRACK DAMAGE (CRACK WAS STOPPED DRILLED). REPAIR OF THIS AREA AND THE NEW CRACK IS ACCOMPLISHED BY TRIMMING OUT THE DAMAGED AREA AND INSTALLING A NEW INTERNAL DOUBLER. THIS DOUBLER REPLACES THE OLD REPAIR DOUBLER AND THE ORIGINAL PRODUCTION DOUBLER (65B05771-17) PER ECRA 3203-55-035-2.