SDR DALA2020033102087

Service difficulty report · Floor Support · Boeing 757351

Difficulty date: March 27, 2020
Submitted: March 31, 2020
Operation: Air carrier
Aircraft: N583NW
Make and model: Boeing 757351
Aircraft serial: 32983
Aircraft time: 62,219 hours, 20,164 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Fuselage
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 5803 CORROSION ON FLOOR SUPPORTS PREVIOUSLY REPAIRED, STA. 654. LBL/RBL 16, LBL/RBL11, RBL 7, AND LBL/RBL 3, AT FWD CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC S/N 00250, CORROSION LEVEL 2. PREVIOUS REPAIRS OF FLOOR SUPPORTS FROM STA. 654. LBL/RBL 16, LBL/RBL11, RBL 7, AND LBL/RBL 3, AT FWD CARGO COMPARTMENT WERE REPLACED PER. B757-300 SRM AND ER/A 586291-14 REV. ORIGINAL SECTION I. (1540385)