Service difficulty report · Floorbeam · Boeing 75733N

Difficulty date
June 17, 2025
Submitted
June 18, 2025
Operation
Air carrier
Aircraft
N57864
Make and model
Boeing 75733N
Aircraft serial
32588
Aircraft time
71,824 hours, 22,161 cycles
Part
Floorbeam
Part number
141N2002816
Condition
Corroded
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

AFT CARGO FLOOR R/H FRAME CLIP HAS CORR OSION STA 1520, STR 28R - 29R. ESFR ENTRY FOR THIS REPAIR REMOVED CORROSION AT SHEAR TIE AND FOUND OUT OF LIMITS, CORROSIO N EXFOUATED IAW B757-300 SRM 51-10-02, REQUIRE REPLACE, RECEIVED NEW SHEAR TIE P/N: UA-140N2002-816; LOCATED AND DRILLED NEW SHEAR TIE IAW SRM 5-40-05-0G-0; RESTORED SURFACE PROTECTION IAW AMM 51-21-14; INSTALLED NEW SHEAR TIE IAW SRM 51-40-02-0G-0.

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