Service difficulty report · Beam · Boeing 7474H6

Difficulty date
September 22, 2009
Submitted
October 13, 2009
Operation
Air carrier
Aircraft
N740WA
Make and model
Boeing 7474H6
Aircraft serial
25700
Aircraft time
64,732 hours, 8,643 cycles
Engine
Pwa PW4056
Part
Beam
Part number
65B15964292
Condition
Cracked
Location
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

CRACK - THE OUTBOARD BEAM OF RIGHT WING FIXED T/E STRUCTURE CRACK ABOUT 2 INCHES, WBL 249. REMOVED THE DAMAGE SUPPORT BEAM AT RT WING WBL 249 IAW 747-400 SRM 51-40-02 REV 73. FABRICATED THE NEW PART IAW EI NR W2009P57B-119 REV 00. INSTALLED NEW PART AT RT WING WBL 249 IAW EI NR W2009A57B-1223 REV 00 AND REV 01.

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