SDR UIEA200300002

Service difficulty report · Beam · Boeing 747243B

Difficulty date: January 22, 2003
Submitted: May 29, 2003
Operation: Air carrier
Aircraft: N516MC
Make and model: Boeing 747243B
Aircraft serial: 22507
System (JASC): 5710 · Wing Main, Frame Structure
Part: Beam
Condition: Cracked
Location: Rt Wing
Part time: 83,946 hours
Stage of operation: IN
How discovered: 9
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 CURRENT C-CHECK AT SIA, FOUND RT WING LE BEAM WEB CRACKED AT OLES 1200. CRACK REMOVED BY CUTTING THE WEB AT OLES 1190 AND DISCARDING THE INBOARD SECTION FROM OLES 1190 TO 1200. PERFORMED HFEC INSPECTION OF CUT EDGE TO ENSURE CRACK FREE CONDITION. NO ADDITIONAL CRACKING FOUND. FABRICATED REPLACEMENT WEB AND REINFORCING DOUBLERS. INSTALLED REPLACEMENT PARTS WITH REVETS PER SRM 57-20-03 FIG 7. (M)