Service difficulty report · Tee Angle · Boeing 757224

Difficulty date
June 10, 2025
Submitted
June 20, 2025
Operation
Air carrier
Aircraft
N29124
Make and model
Boeing 757224
Aircraft serial
27565
Aircraft time
94,296 hours, 22,705 cycles
Part
Tee Angle
Part number
149N7130
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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

WING TO BODY LOWER T-CHORD CORROSION AT STA. 900, 0BL LH AND RH APPROX. 8". ESFR COMPLETED. REMOVED NUTPLATES OF T-CHORD FROM STA 900 IAW B757-200 SRM 51-40 -02, EVALUATED T-CHORD FROM STA 900 BTW LBL8 TO RBL8, FOUND WAS EXFOLIATION THEREFORE IS OUT OF LIMITS IAW B757-200 SRM 53-00-71 -1A-1 DETAIL I, NOTED DETAILIX, AFTER REMOVED T-CHORD FOUND A CRACKED BRACKET, REMOVED BRACKET, NO ALLOWABLE DAMAGE IAW B757 -200 SRM 51-40-02, APPLIED REPAIR IAW B757-200 SRM 51-70-12-0G S TEP 2 TO 5, FABRICATED BRACKET PER DWG 149N7130 IAW SOPM 20-41-0 5. INST. BRACKET IAW B757-200 SRM 51-40-02, RESTORED SURFACE PROTECTIVE.