SDR DALA2020033002070

Service difficulty report · Floorbeam · Boeing 757351

Difficulty date: March 26, 2020
Submitted: March 30, 2020
Operation: Air carrier
Aircraft: N583NW
Make and model: Boeing 757351
Aircraft serial: 32983
Aircraft time: 62,219 hours, 20,164 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
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

SHIP 5803 CORROSION ON FLOOR SUPPORTS STA. 780+65 FROM LBL/RBL 16, LBL/RBL11, LBL/RBL 7, AND LBL/RBL 3, AT FWD CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY: OF NRC00243 CORROSION LEVEL 2; FLOOR SUPPORTS STA. 780+65 FROM LBL/RBL 16, LBL/RBL11, LBL/RBL 7, AND LBL/RBL 3, AT FWD CARGO COMPARTMENT. (C1) WERE REPAIRED PER B757-300 SRM. (1539643)