Service difficulty report · Intercostal · Boeing 75724APF

Difficulty date
April 11, 2026
Submitted
April 29, 2026
Operation
Air carrier
Aircraft
N421UP
Make and model
Boeing 75724APF
Aircraft serial
25281
Aircraft time
35,922 hours, 23,455 cycles
Part
Intercostal
Part number
149N755327
Part serial
UNKW
Condition
Corroded
Location
Zone 500
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

STR LH WING, WING TO BODY PANEL AREA AT LH W/W STA 1040 TO 1060 T-CHORD IS EXFOLIATED. REMOVED T-CHORD AT WTB L/H W/W 1040 TO 1060 PER SRM 51-40-02-0G. INSTALLED NEW T-CHORD AT LH WING, WING TO BODY PANEL AREA AT LH W/W STA 1040 TO 1060. INSPECTED AND VERIFIED INSTALLATION OF NEW T-CHORD AT LH WING, WING TO BODY PANEL AREA AT LH W/W STA 1040 TO 1060 I.A.W B757-200PF SRM 51-40-02-0G-0.

More about the Boeing 757-24APF