Service difficulty report · Rib · Boeing 73773V

Difficulty date
July 3, 2021
Submitted
August 9, 2021
Operation
Air carrier
Aircraft
N561WN
Make and model
Boeing 73773V
Aircraft serial
32417
Aircraft time
53,697 hours, 34,618 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

FOUND CRACK AT R/H HRZ STB.INSPAR #4 AT STB. STA 120.30 LOWER FLANGE ; / [01] REPAIR FOR CRACK FOUND AT LOWER FLANGE OF RT HORIZONTAL STAB RIB #4; WILL BE ACCOMPLISHED ON N/R REF TTG8Q005ME6A. GENERATED FOR THE REPAIR OF A CRACK ON STIFFENER #4. REPAIR REF; B737-7 SRM 55-10-09-2R-5 DETAIL A.; [02] THIS N/R TRANSFERRED TO N/R: TTG8Q005ME6A. DUPLICATE N/R.

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