Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
August 16, 2016
Submitted
September 13, 2016
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 7377H4
Aircraft serial
32476
Aircraft time
42,325 hours, 24,718 cycles
Part
Stiffener
Part number
186A100041
Part serial
IC0477
Condition
Cracked
Location
Horizontal Stab
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

LEFT HORIZONTAL STABILIZER RIB LOWER CHORD VERTICAL STIFFENER, CRACKED AT HSS 129.50, 2ND FROM FRONT SPAR. REPAIRED THE STIFFENER IAW SRM AND EA.

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