SDR DALA2021032301675

Service difficulty report · Floor Support · Boeing 757351

Difficulty date: March 20, 2021
Submitted: March 23, 2021
Operation: Air carrier
Aircraft: N587NW
Make and model: Boeing 757351
Aircraft serial: 32986
Aircraft time: 62,752 hours, 20,213 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 700-720
Stage of operation: IN
How discovered: 9
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 5807 CORROSION ON FLOOR CHANNEL SUPPORT STA. 700 TO 720, LBL 63 IN ORDER TO PERFORM NRC 721. CORRECTIVE ACTION: SUMMARY OF NRC: 01004. CORROSION LEVEL: 2. FLOOR CHANNEL SUPPORT STA. 700 TO 720, LBL 63 WAS REPAIRED. B757-300 SRM. (1759672)