Service difficulty report · Tee Fitting · Boeing 75724APF

Difficulty date
January 9, 2026
Submitted
January 30, 2026
Operation
Air carrier
Aircraft
N411UP
Make and model
Boeing 75724APF
Aircraft serial
23851
Aircraft time
39,473 hours, 26,446 cycles
Part
Tee Fitting
Part number
149N763037
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

LEFT WING TO BODY FAIRING STRUCTURE WITH TEE FITTINGBEAM EXFOLIATED BTWN STA 1200 AND 1220 AT BL 57.50. INSTALLED NEW T-FITTING P/N: UP-149N7630-37 BETWEEN STA 1180-1240 LBL 57.50 I.A.W B757-200 SRM 51-40-02-OG.

More about the Boeing 757-24APF