SDR FDEA202008121867

Service difficulty report · Floorbeam · Boeing 757236

Difficulty date: August 12, 2020
Submitted: August 12, 2020
Operation: Air carrier
Aircraft: N953FD
Make and model: Boeing 757236
Aircraft serial: 28667
Aircraft time: 33,351 hours, 23,368 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 146N509012
Condition: Corroded
Location: Bs 1661
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

MAIN DECK BS 1661 BL 0 FLOORBEAM TEE FITTING CORRODED. REMOVED CORROSION IAW SRM 51-10-02-0G. EVALUATED DAMAGED AREA ORIG. MAT.=.125", REM. MAT.= .106", MAT. LOSS= .019" FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51-1A, FIG 101, DETAIL VI. FABRICATED AND INSTALLED A REPAIR ANGLE AND FILLERS IAW SRM 53-00-51-2R, FIG 201. DETAIL I, REPAIR 11.