Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
February 14, 2019
Submitted
March 6, 2019
Operation
Air carrier
Aircraft
N517AS
Make and model
Boeing 737890
Aircraft serial
35197
Aircraft time
39,206 hours, 11,577 cycles
Part
Floorbeam
Part number
147A550611
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

MAIN CABIN AFT WET AREA FLOORBEAM UPPER SURFACE AT STA 986.5 RBL 28 HAS CORROSION. GROUNDED - YES. REMOVED CORROSION ON THE UPPER SURFACE OF THE FLOORBEAM AT STA 986.5, RBL 28, ORIGIAL THICKNESS 0.150, REMAINING THICKNESS 0.130, REMOVED 0.020 FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51-1A-1. ACCOMPLISHED A PERMANENT REPAIR TO THE UPPER SURFACE OF THE FLOORBEAM AT STA 986.5, RBL 26-RBL 28 IAW SRM 53-70-51-2R-6 REPAIR 6.