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SDR ASAA2018091926164

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Service difficulty report · Floorbeam · Boeing 737890

FAA SDR system

Difficulty date
August 25, 2018
Submitted
September 19, 2018
Operation
Air carrier
Aircraft
N564AS
Make and model
Boeing 737890
Aircraft serial
35103
Aircraft time
45,573 hours, 13,761 cycles
System (JASC)
5315 · Fuselage Main, Floor Beam
Part
Floorbeam
Part number
147A550419
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 FLOORBEAM AT BODY STATION 947.5 CORRODED AT LBL 16. GROUNDED - YES. REMOVED CORROSION IAW SRM 53-70-15-1A-1 FIG 104 DET D. ORIGINAL THICKNESS .180" REMOVED, .059" REMOVING .121" FOUND TO BE OUT OF LIMITS. FABRICATED, MODIFIED, ALODINED, PRIMED, AND INSTALLED REPAIR T-CHORD, ANGLES, STRAPS AND FILLERS IAW SRM 53-70-51-2R-5 REPAIR 5.