Service difficulty report · Rib · Boeing 7377H4

Difficulty date
September 28, 2020
Submitted
October 28, 2020
Operation
Air carrier
Aircraft
N430WN
Make and model
Boeing 7377H4
Aircraft serial
33659
Aircraft time
61,499 hours, 36,261 cycles
Part
Rib
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

LT HORIZONTAL STAB RIB ASSEMBLY 4 (STAB STA 120.30) 3RD STIFFENER FROM FWD CRACKED. TRIMMED OUT THE DAMAGE PART AT LT HORIZONTAL STAB RIB 120.30 3RD VERTICAL STIFFENER LOWER END AND INSTALLED REPAIR PARTS, IAW SRM 55-10-09-2R-4 88920U 06OCT20.

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