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SDR ASAA2018082426201

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Service difficulty report · Floorbeam · Boeing 737890

FAA SDR system

Difficulty date
August 23, 2018
Submitted
September 24, 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
141A550519
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

CABIN FWD WET AREA SECT 41 STA 344 LBL 24 TO RBL 11 FLOORBEAM CORR ON UPPER FLANGE. GROUNDED - YES. REMOVED CORROSION ON FLOORBEAM UPPER FLANGE, FOUND TO BE BEYOND ALLOWABLE LIMITS (ORIG .125 REMOVED .060", REMAINING .065") REFERENCE SRM 53-10-51 AP1. REMOVED DAMAGE, FABRICATED, ALODINED, PRIMED, AND INSTALLED REPAIR PARTS REFERENCE SRM 53-10-51, REPAIR 10. MACHINED INTERCOSTALS MODIFIED FOR PROPER FIT REFERENCE: EA 800-53EA-20738 REV 00 DATE 09/20/2018. INSTALLED REF SRM 51-40-02.