Service difficulty report · Spar · Boeing 747243B

Difficulty date
April 22, 2004
Submitted
May 18, 2004
Operation
Air carrier
Aircraft
N5700
Make and model
Boeing 747243B
Aircraft serial
23300
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Cracked
Location
Lt Wing
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

FOUND LEFT WING UPPER MID SPAR WEB SURFACE FROM MSS 446.41 TO MSS 475.62 FOUND 2 CRACKS OF 5MM AND 16MM IN LENGTH REF TO NDT REPORT NR 276/03. CARRIED OUT HFEC INSPECTION ON THE CUTOUT SURFACE WEB AS PER NTM PART 6 51-00-00 FIG 4. NIL CRACK INDICATED. CRACKED MID SPAR WEB REPAIRED AS PER SRM 57-10-06 FIG 5. (M)