SDR SWAA114424

Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
June 17, 2011
Submitted
June 20, 2011
Operation
Air carrier
Aircraft
N407WN
Make and model
Boeing 7377H4
Aircraft serial
29817
Aircraft time
36,603 hours, 21,182 cycles
Part
Stiffener
Part number
111A24012
Condition
Cracked
Location
Center Wing Box
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

DURING SCHEDULED 10Y CHECK, FOUND CENTER WING BOX VERTICAL STIFFENER CRACKED AT BS 549, LBL 10.54. REPAIRED STIFFENER PER SRM.

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