Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 19, 2020
Submitted
August 26, 2020
Operation
Air carrier
Aircraft
N494WN
Make and model
Boeing 7377H4
Aircraft serial
33868
Aircraft time
54,277 hours, 32,309 cycles
Part
Rib
Part number
186A1303
Condition
Cracked
Location
Horizontal Stab
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

LEFT HORIZONTAL STABILIZER LEADING EDGE FAIRING INNER INB. # 3 &4 RIBS CRACKED AT FLANGES MKD DOTS / REMOVED AND REPLACED RIBS #3 AND 4 AT LT HORIZ. STAB. L/E STA 95.96 AND STA 105.26 PER BOEING 737-700 SRM 51-40-02-0G-0 AND DRAWING # 186A1200; 186A1303 AND 186A1304

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