SDR EIA2006146

Service difficulty report · Frame · Boeing 747121

Difficulty date
July 28, 2006
Submitted
September 1, 2006
Operation
Air carrier
Aircraft
N480EV
Make and model
Boeing 747121
Aircraft serial
20348
Aircraft time
116,760 hours, 25,203 cycles
Part
Frame
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

UPPER DECK TENSION TIE LT SIDE STA 840 FOUND 1 OF THE FASTENER HOLES WITH CRACKS ON FRAME, DOUBLER AND AFT CHANNEL. FRAME AND DOUBLER REPAIRED IAW B747 SRM 53-10-04, FIG 52. CRACKED AFT CHANNEL REPAIRED IAW B747 SRM 51-40-03 FIG 3 DOUBLER USED 7075-T6 0.063, REPAIR ANGLE USED 2024-T3 0.071.