SDR FDEA2019061321276

Service difficulty report · Floorbeam · Boeing 757230

Difficulty date: June 12, 2019
Submitted: June 13, 2019
Operation: Air carrier
Aircraft: N997FD
Make and model: Boeing 757230
Aircraft serial: 24738
Aircraft time: 65,628 hours, 25,159 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 347179
Condition: Corroded
Location: Bs 376
Stage of operation: IN
How discovered: 9
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

FLOOR SUPPORT AT STA.376, LBL.10 - LBL. 24 HAS CORROSION. CORROSION FOUND TO BE OUT OF LIMITS, 100% MATERIAL LOSS ON FLOOR SUPPORT AT STA.376 LBL.10 TO LBL.24 IAW B757 SRM 53-00-51-1A, REMOVED, FABRICATED AND INSTALLED NEW FLOOR SUPPORT FROM 2024-T3 ..071, DIM.21.6" X 3.6" PER VENTURA DWG# 3470 REV.B, B757 SRM 51-40-02-0G.