Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
October 18, 2020
Submitted
November 16, 2020
Operation
Air carrier
Aircraft
N727SW
Make and model
Boeing 7377H4
Aircraft serial
27859
Aircraft time
73,855 hours, 43,794 cycles
Part
Stiffener
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 STAB RIB ASSEMBLY 4 (STAB STA 120.30) HAS CRACK AT 4TH STIFFENER. REPAIRED LT HORIZONTAL STABILIZER RIB ASSEMBLY 4 AT STAB STA 120.30 4TH STIFFENER, IAW SRM 55-10-09-2R-5. 59796C 20 OCT '20.

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