Service difficulty report · Box Beam · Boeing 757232

Difficulty date
September 27, 2025
Submitted
September 29, 2025
Operation
Air carrier
Aircraft
N6713Y
Make and model
Boeing 757232
Aircraft serial
30777
Aircraft time
77,220 hours, 29,653 cycles
Part
Box Beam
Condition
Damaged
Location
Zone 200
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

IN REFERENCE TO NRC 00374:(UT) MEASUREMENT THICKNESS WAS ACCOMPLISHED ON BOX BEAM IS OUT OF LIMITS PER SRM 53-00-51-1A ALLOWABLE DAMAGE 1. FIGURE 101 (SHEET 1) NOTE B, FIGURE 101 (SHEET 4) DETAIL III. SUMMARY OF NRC 00545-CORROSION LEVEL 2- BOX BEAM (CHANNEL) BTW RBL 24 TO RBL 26 B & STA 357.00 APPROX AT ZONE 220 WAS REPLACED PER B757-200 SRM 51-40-02-0G PAR. 4. AND PAR. 7. (1221379)