Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 10, 2020
Submitted
April 27, 2021
Operation
Air carrier
Aircraft
N259WN
Make and model
Boeing 7377H4
Aircraft serial
35554
Aircraft time
48,041 hours, 28,678 cycles
Part
Rib
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

DISCOVERED CRACK ON RIB ASSY 3 (STAB STA 111.10) STIFFENER 4. REMOVED LH HORIZ STAB INSPAR RIB AT STAB STA 111.10. HFEC OF ALL STIFFENERS ON RIB PERFORMED; NO CRACKS FOUND. REINSTALLED LH HORIZ STAB INSPAR RIB; STAB STA 111.10 IAW SRM 5140020G0; BAC DRAWINGS 182A2401; 182A3001; 182A1500; AND 002A0001

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