Service difficulty report · Stiffener · Boeing 737*

Difficulty date
October 8, 2021
Submitted
November 11, 2021
Operation
Air carrier
Aircraft
N450WN
Make and model
Boeing 737*
Aircraft serial
32470
Aircraft time
58,641 hours, 34,716 cycles
Part
Stiffener
Condition
Corroded
Location
Fuselage
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

CORROSION ON STIFFENER AT STA 708; RBL 63 AND RBL 65; WL 202. ; / [01] FOUND TO BE OUT OF LIMITS DUE TO HAVING NO ALLOWABLE DAMAGE FOUND IN SRM. REPAIR BY REPLACEMENT.; [ [14] REMOVED AND REPLACED STIFFENER AT BS 708; RBL 63; WL 202 I.A.W BOEING DWG 144A7730 AND SRM 51-40-02-0G-0; [15] VERIFIED CORRECTIVE ACTION STEP 14.; [16] COMPLETE; [17] VERIFIED COMPLETE