Service difficulty report · Support Bracket · Boeing 75724APF

Difficulty date
April 1, 2026
Submitted
April 22, 2026
Operation
Air carrier
Aircraft
N430UP
Make and model
Boeing 75724APF
Aircraft serial
25461
Aircraft time
33,690 hours, 22,504 cycles
Part
Support Bracket
Part number
149N7212
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 FAIRING STR, RH FWD UPPER WING, BTW STA 1080-1100, 1EA PANEL SUPPORT BRACKET HAS CORROSION. REMOVED CORROSION FROM WING TO BODY FAIRING STR, RH FWD UPPER WING, BTW STA 1080-1100. EVALUATED, TOTAL THICKNESS: 0.080, MATERIAL LOSS:0.003IN (4%), MATERIAL REMAINING:0.077IN. REWORK WAS FOUND TO BE WITHIN LIMITS IAW B757-200PF SRM 53-00-71-1A-1, ALLOWABLE DAMAGE1, DETAIL II, NOTE E, DETAIL IX (MAX. ALLOWABLE 10%). T99333, T91484.

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