SDR CALA2020032700696

Service difficulty report · Floorbeam · Boeing 757324

Difficulty date: March 22, 2020
Submitted: March 27, 2020
Operation: Air carrier
Aircraft: N75854
Make and model: Boeing 757324
Aircraft serial: 32813
Aircraft time: 56,106 hours, 18,515 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 141N51831
Condition: Corroded
Location: Fuselage
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

B757-53-3-0554 FLOOR BEAM AT STA 377.7" MAIN CABIN HAS CORROSION ON UPPER SURFACE FROM BL-0 TO LBL 24-5 AT SEAT TRACK. ST-SAA F REF NR0089135 REMOVED CORROSION ON MAIN CABIN FLOORBEAM AT STA 377.7 BET LBL 2 4.5 AND BL0 L=22.00 W=2.0 D=0.22. BLEND OUT FOUND OUT OF LIMITS IAW B757-3 SRM 53-00-51 AD1 FIG 101 DETAIL III. ACCOMPLISHED REP AIR ON FWD MAIN CABIN FLOORBEAM AT STA 377.7 BET LBL 33 AND RBL 33 IAW B757-3 SRM 53-00-51 REPAIR 10. ORIG THK .125. WORK ACCOMPLISHED, INSPECTED.