Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
April 17, 2020
Submitted
May 26, 2020
Operation
Air carrier
Aircraft
N922WN
Make and model
Boeing 7377H4
Aircraft serial
32461
Aircraft time
41,140 hours, 24,679 cycles
Part
Stiffener
Condition
Cracked
Location
Rt Horiz 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

RIGHT HORIZONTAL STAB INSPAR RIB ASSY 4 (STAB STA 120.30) STIFFENER 3 IS CRACKED NEAR LOWER SKIN. CUTOUT DAMAGE AREA AT RIGHT HORIZONTAL STAB RIB 4 STA 120.30 STIFFNER 3 NEAR LOWER SKIN IAW SRM 55-10-09-2R-5 REPAIR 5. FABRICATED REPAIR PARTS AND INSTALLED IAW SRM 55-10-09-2R-5 REPAIR 5 PARA 4.

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