SDR UIEA01066

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
65B017145003
Condition
Cracked
Location
Bs 420
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 DOUBLER STATION 420 CRACKED AT STRINGER 16L COMMON TO THE STRINGER CUT-OUT. CRACK NOT STOP DRILLED DUE TO CRACK PROXIMITY TO EDGE OF THE PART. FABRICATED DOUBLER AND INSTALLED PER STANDARD PRACTICES IAW SRM 53-10-04. REINSPECT AREA PER SB 747-53A2265 AT 3000 CYCLE INTERVALS. (M)