Service difficulty report · Tee Angle · Boeing 75724APF

Difficulty date
April 9, 2026
Submitted
April 22, 2026
Operation
Air carrier
Aircraft
N421UP
Make and model
Boeing 75724APF
Aircraft serial
25281
Aircraft time
35,922 hours, 23,455 cycles
Part
Tee Angle
Part number
149N7517
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

RH WING TO BODY T-CHORD AT BS 1040 HAS CORROSION AROUND NUTPLATE HOLES. BLENDED AREA AROUND THE NUTPLATES HOLES TO REMOVE THE CORROSION PER SRM 51-10-02-0G-0 AND AFTER PERFORMED EVALUATION T-CHORD AT STA 1040 WAS FOUND TO BE WHITIN ALLOWABLE LIMITS. PER SRM 53-00-71-1A-1.

More about the Boeing 757-24APF