SDR UIEA01071

Service difficulty report · Intercostal · Boeing 747243B

Difficulty date
June 26, 2001
Submitted
July 16, 2001
Operation
Air carrier
Aircraft
N516MC
Make and model
Boeing 747243B
Aircraft serial
22507
Part
Intercostal
Part number
65B0187031
Condition
Cracked
Location
Bs 340-380
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 MAIN DECK FLOOR LINE INTERCOSTALS FROM STATION 340-380 LEFT CRACKED AT NUMEROUS FASTENER HOLES. TRIMMED OFF SHEAR TIES CONTAINING CRACKED FASTENER HOLES. PERFORMED HFEC INSPECTION AT CUT LINE TO ENSURE NO CRACKS. NO CRACKS FOUND. FABRICATED REPAIR ANGLES, INSTALLED PER STANDARD SRM PRACTICES. (M)