Service difficulty report · Tee Angle · Boeing 75724APF

Difficulty date
April 10, 2026
Submitted
May 5, 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
149N755089
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

RIGHT WING TO BODY TEE ANGLE AT BS 1060, RBL 8.8 - 43 WAS CORRODED UNDER NUTPLATES. INSTALLED A NEW TEE ANGLE IAW SRM 51-40-02. WORK COMPLETE.

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