Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
December 5, 2020
Submitted
December 22, 2020
Operation
Air carrier
Aircraft
N274WN
Make and model
Boeing 7377H4
Aircraft serial
32529
Aircraft time
46,518 hours, 27,739 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

RT STAB INSPAR RIB NR 4 AT STAB STA 120.30 WITH A CRACK ON STIFFENER NR 3. CUT-OUT DAMAGED AREA AND INSTALLED REPAIR, AS PER B737-700 SRM 55-10-09-2R-4 FIG NR 4 AT STIFFENER NR 3 RT HORIZONTAL STAB STA 120.30.

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