Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
November 2, 2020
Submitted
November 24, 2020
Operation
Air carrier
Aircraft
N210WN
Make and model
Boeing 7377H4
Aircraft serial
34162
Aircraft time
53,736 hours, 31,996 cycles
Part
Stiffener
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 STAB LEADING EDGE FRONT SPAR INNER RIB NR 4 HAS STIFFENER NR 3 CRACKED AT LOWER RADIUS. INSTALLED CATEGORY A REPAIR AT LEFT HORIZONTAL STABILIZER INNER FRONT SPAR RIB NR 4-NR 3 STIFFENER LOWER RADIUS, IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4.

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