Service difficulty report · Tee Fitting · Boeing 75724APF

Difficulty date
March 27, 2026
Submitted
April 21, 2026
Operation
Air carrier
Aircraft
N430UP
Make and model
Boeing 75724APF
Aircraft serial
25461
Aircraft time
33,690 hours, 22,504 cycles
Part
Tee Fitting
Part number
149N772021
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

TEE CHORD CORRODED FOUND BETWEEN STA 1180 AND STA 1240 RBL 58 ABOVE RAT DOOR. INSTALLED BETWEEN BS 1180 AND 1240, RBL 58 ABOVE RAT DOOR IAW SRM 51-40-02-0G-0 - 1.

More about the Boeing 757-24APF