Service difficulty report · Floor Support · Boeing 757351

Difficulty date
March 19, 2026
Submitted
March 20, 2026
Operation
Air carrier
Aircraft
N584NW
Make and model
Boeing 757351
Aircraft serial
32984
Aircraft time
79,077 hours, 26,068 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

CORROSION ON FLOOR STRINGERS FROM LBL 16.10 TO RBL 16.10 BTW BS 1460 TO 1521 IN THE AFT CARGO BAY. CORROSION LEVEL 2, PREVIOUS REPAIR AT FLOOR STRINGERS BS 1470, LBL 10.45, LBL 2.90, RBL 7.45, AND BS 1510 LBL 2.90 AND LBL 7.55 WERE REPLACED PER SRM 53-00 -53-2R & SRM 51-40-02-0G PAR 7. FLOOR STRINGERS BS 1470, RBL 2.90, RBL 10.45, RBL 16.10, AND LBL 16.10 WERE REPAIRED IAW SRM 53-00-53-2R. FLOOR STRINGER AT BS 1500-1520, RBL 2.90 AT AFT CARGO BAY WAS REPLACED IAW SRM 51-40-02-0G, PAR 7. (1502191)