Service difficulty report · Floor Support · Boeing 757351

Difficulty date
November 12, 2025
Submitted
November 13, 2025
Operation
Air carrier
Aircraft
N583NW
Make and model
Boeing 757351
Aircraft serial
32983
Aircraft time
78,060 hours, 25,701 cycles
Part
Floor Support
Condition
Corroded
Location
Zone 200
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

IN REF NRC 00273: CORROSION OUT OF LIMITS ON FLOOR SUPPORTS STA 1470 RBL 2.9. PER B757-300 SRM 53-00-53-1A PROCEDURE 1 ALLOWABLE DAMAGE 1 FIGURA 101 NOTE C DETAIL IX AND B757 NDT MANUAL PART 4, 51-00-10 PROCEDURE 2. CORROSION LEVEL 2: FLOOR SUPPORTS STA 1470 RBL 2.9 WAS REPAIRED PER B757-300 SRM 53-00-53-2R PROCEDURE 1 REPAIR 1. (1301215)