Service difficulty report · Stiffener · Boeing 73773V

Difficulty date
January 30, 2021
Submitted
February 22, 2021
Operation
Air carrier
Aircraft
N558WN
Make and model
Boeing 73773V
Aircraft serial
30248
Aircraft time
55,771 hours, 35,855 cycles
Part
Stiffener
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

CRACK STRUCTURE STIFFENER LOCATED FRONT INSPAR RIB 120.30 AT RT HORIZONTAL STABILIZER / REPLACED STIFFENER LOC FRONT INSPAR RIB 120.30 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 51-40-02 AND DWG #18245304 MATERIAL USED PN BAC1506-4343 PO 2020-1730-65-1

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