SDR UIEA200800065

Service difficulty report · Panel · Boeing 7472D7B

Difficulty date: February 29, 2008
Submitted: March 4, 2008
Operation: Air carrier
Aircraft: N522MC
Make and model: Boeing 7472D7B
Aircraft serial: 21783
Aircraft time: 99,574 hours, 19,968 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Panel
Condition: Cracked
Location: Lws 744
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

LT WING UPPER FIXED T/E PANEL AT WS 744.0 HAS A CRACK 6 INCHES FROM AFT EDGE OF PANEL. PERMANENT REPAIR ACCOMPLISHED AS PER B747-200 SRM 51-40-09, FIG 2, SHEET 1, 2 AND 5 PREPREG 250 DEGREES F CURE PER SRM 51-40-12. REF: ATLAS AIR EO NR 4757A420.

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