Service difficulty report · Rib · Boeing 7377H4

Difficulty date
December 21, 2023
Submitted
January 31, 2024
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 7377H4
Aircraft serial
33859
Aircraft time
65,073 hours, 38,942 cycles
Part
Rib
Part number
UNKNOWN
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

LH HORIZONTAL STABILIZER RIB AT STAB STA 129.50 CRACKED AT 3RD STIFFENER FROM FRONT<[01] REMOVED THE DAMAGED PART INSTALLED REPAIR PARTS ON LH HORIZONTAL STABILIZER STA 129.50 RIB 3RD VERTICAL STIFFENER IAW SRM 55-10-09-2R-4.;[02] VERIFIED MEASUREMENTS TABLE.

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