SDR UIEA01069

Service difficulty report · Frame · Boeing 747243B

Difficulty date
June 26, 2001
Submitted
July 12, 2001
Operation
Air carrier
Aircraft
N516MC
Make and model
Boeing 747243B
Aircraft serial
22507
Part
Frame
Part number
65B0170446
Condition
Cracked
Location
Bs 220
Part time
77,446 hours
Stage of operation
IN
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

DURING INSPECTION, FOUND FRAME WEB STATION 220 CRACKED AT STRINGER 14R, 1.2 INCH COMMON TO THE TRIANGULAR CUTOUT. STOP DRILLED CRACK. PERFORMED OPEN HOLE HFEC INSPECTION TO ENSURE CRACK CONTAINMENT IN STOP HOLE. FABRICATED DOUBLER AND INSTALLED PER STANDARD PRACTICES. REINSPECT AREA PER SB 747-53A2265 AT 3000 CYCLES INTERVALS. (M)