SDR DALA2020020300843

Service difficulty report · Floorbeam · Boeing 757251

Difficulty date: January 30, 2020
Submitted: February 3, 2020
Operation: Air carrier
Aircraft: N555NW
Make and model: Boeing 757251
Aircraft serial: 33391
Aircraft time: 50,113 hours, 21,770 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 365
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

SHIP 5655 CORROSION ON BEAM , STA 365 BTW RBL 5 AND 7 , ALSO BTW RBL 24 AND 27 , (IN REF, NRC 00423). CORRECTIVE ACTION: SUMMARY: OF NRC 00425 CORROSION LEVEL 2 ON FLOOR BEAM AT STA 365 BTW RBL 5 AND 7 , ALSO BTW RBL 24 AND 27 (IN REF, NRC 00423) WAS REPAIRED PER. B757-200 S.R.M. (1467549)