SDR EIA2006020

Service difficulty report · Spar · Boeing 747SR46

Difficulty date
February 5, 2006
Submitted
March 8, 2006
Operation
Air carrier
Aircraft
N478EV
Make and model
Boeing 747SR46
Aircraft serial
21033
Aircraft time
35,174 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Cracked
Location
Ws 1387-1391
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

DURING B-CHECK, CRACK FOUND ON THE RT LWR FRONT SPAR CHORD FROM FSS 1387 - 1391 (LES 1422-1438). REMOVED AFFECTED AREA AND REPLACED WITH SPLICE. THIS REPAIR IS LIMITED TO 135000 HOURS OR 38788 CYCLES WHICHEVER COMES FIRST, WAITING FOR FINAL REPAIR INFORMATION.

More about the Boeing 747-SR-46