Service difficulty report · Tee Fitting · Boeing 757224

Difficulty date
September 19, 2026
Submitted
September 22, 2026
Operation
Air carrier
Aircraft
N18112
Make and model
Boeing 757224
Aircraft serial
27302
Aircraft time
109,454 hours, 25,719 cycles
Part
Tee Fitting
Part number
149N713065
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 LOWER WING TO BODY FAIRING STRUCTURE TEE FITTING HAD CORROSION AT BS 900, RBL20. REMOVED CORROSION AND CHKD LIMITS ON RT LWR WING TO BODY TEE FITTING. FOUND OUT LIMITS. 50% MATERIAL LOSS, MAX ALLOWED 20 IAW SRM 53-00-71-1A-1. REPAIRED AREA IAW SRM 51-70-12-OG. R & R TEE FITTING IAW SRM 51-70-12-OG.