Service difficulty report · Frame · Boeing 75724APF

Difficulty date
April 13, 2026
Submitted
July 15, 2026
Operation
Air carrier
Aircraft
N428UP
Make and model
Boeing 75724APF
Aircraft serial
25459
Aircraft time
33,369 hours, 22,898 cycles
Part
Frame
Part number
149N76555
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

LH, AFT WTB FAIRING STRUCTURE CHORD AT APRROX. STA 1220 HAS CORROSION. INSTALLED CHORD FRAME AT LH AFT WTB FAIRING STRUCTURE STA 1220, BL 57-50 I.A.W. B757-200PF SRM 51-40-02-0G-0.

More about the Boeing 757-24APF