SDR DALA2021022201016

Service difficulty report · Floor Support · Boeing 757351

Difficulty date: February 21, 2021
Submitted: February 22, 2021
Operation: Air carrier
Aircraft: N594NW
Make and model: Boeing 757351
Aircraft serial: 32994
Aircraft time: 61,405 hours, 20,189 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Aft Cargo
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

DURING INSPECTION MAINTENANCE FOUND LEVEL 2 CORROSION ON FLOOR STRINGERS UPPER AND LOWER SURFACE BTW STA 1320 TO STA 1340 FLOOR STRINGERS RBL 2.90, 7.55, 10.45, 16.10 AND LBL 2.90, 7.55, 10.45 AFT CARGO COMPARTMENT AND REPAIRED PER SRM. (LP 1735964)