SDR DALA2025101007428

Service difficulty report · Floor Support · Boeing 757351

Difficulty date: October 8, 2025
Submitted: October 10, 2025
Operation: Air carrier
Aircraft: N581NW
Make and model: Boeing 757351
Aircraft serial: 32982
Aircraft time: 77,261 hours, 25,983 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
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

CORROSION ON PREVIOUS REPAIR FLOOR STRINGER BTW STA 655 RBL 2.90, 7.55, 10.45 & 16.10, STA 750 RBL 2.90, 7.55, 10.45 & STA 780+65 RBL 7.55, Y 16.10 AT FWD CARGO. FLOOR STRINGER BTW STA 630 TO 780+90 RBL 2.90, 7.55, 10.45 & 16.10 AT FWD CARGO WAS REPAIRED PER B757-300 SRM 53-00-53-2R PROCEDURE 1 REPAIR 1. (1241345)