SDR UIEA200800308

Service difficulty report · Skin · Boeing 747230B

Difficulty date: September 16, 2008
Submitted: October 20, 2008
Operation: Air carrier
Aircraft: N512MC
Make and model: Boeing 747230B
Aircraft serial: 21220
System (JASC): 5754 · Leading Edge Devices
Part: Skin
Part number: 65B393001
Condition: Cracked
Location: Krueger Flap
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LT WING LEADING EDGE KRUEGER FLAP LOWER IB SIDE PANEL AT WING STA 323.00 TO 330.00 HAS A 7.0 INCH COMPOSITE CRACK. PERMANENT REPAIR ACCOMPLISHED IAW SRM 51-40-09, FIG 3, SHEETS 1, 4 AND 8, PREPEG 250 DEGREES F CURE IAW SRM 51-40-12. ALSO, REFERENCE EO NR 4757A464.