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SDR ASAA2026022065116

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Service difficulty report · Floorbeam · Boeing 737890

FAA SDR system

Difficulty date
February 20, 2026
Submitted
March 27, 2026
Operation
Air carrier
Aircraft
N546AS
Make and model
Boeing 737890
Aircraft serial
30022
Aircraft time
69,467 hours, 24,882 cycles
System (JASC)
5315 · Fuselage Main, Floor Beam
Part
Floorbeam
Part number
147A55067
Condition
Corroded
Location
Zone 200
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, BS 986.5 FOUND CORRODED AT MULTIPLE AREAS. GROUNDED - YES. REMOVED THE DAMAGE ON THE FLOORBEAM, BS 986, RBL 20 - LBL 20, FOUND TO BE IN LIMITS IAW SRM 53-70-51-1A-1, REPAIRED THE FLOORBEAM, BS 986.5, RBL20 - RBL30 & LBL 20 - LBL 30 IAW SRM 53-70-51-2R-6.