Service difficulty report · Structure · Boeing 747230B

Difficulty date
May 16, 2005
Submitted
August 22, 2005
Operation
Air carrier
Aircraft
N509MC
Make and model
Boeing 747230B
Aircraft serial
21221
Aircraft time
113,433 hours, 21,571 cycles
Part
Structure
Condition
Cracked
Location
Fuselage
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

LT FOUND 1 OFF STANDOFF HOLE WITH 2 OFF CRACKS APPROXIMATELY 3MM EACH AT BS 280 WEB. REPAIR CARRIED OUT IAW MFG MSG 1-1ME16G. REFER TO FAA FORM 8100-9 DATED JUNE 2, 2005. THIS REPAIR IS SUBJECT TO CONTINUE INSPECTION IAW SB 747-53A2293.