Service difficulty report · Floor Support · Boeing 757351

Difficulty date
October 1, 2025
Submitted
October 2, 2025
Operation
Air carrier
Aircraft
N581NW
Make and model
Boeing 757351
Aircraft serial
32982
Aircraft time
77,261 hours, 25,983 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

SHIP 5801 CORROSION ON FLOOR STRINGER (UPPER AND LOWER SIDES) RBL. 7.55 BTW STA 1365 TO 1395 AT AFTER CARGO COMPARTMENT (C2). CORRECTIVE ACTION: SUMMARY OF NRC 00519. CORROSION LEVEL 2. FLOOR STRINGER (UPPER AND LOWER SIDES) RBL. 7.55 BTW STA 1365 TO 1395 AT AFTER CARGO COMPARTMENT (C2) WAS REPLACED PER B757-300 SRM 51-40-02-0G PAR 7 D. (1229141)