SDR ASAA2022060938966

Service difficulty report · Floorbeam · Boeing 737890

Difficulty date: June 9, 2022
Submitted: July 8, 2022
Operation: Air carrier
Aircraft: N565AS
Make and model: Boeing 737890
Aircraft serial: 35181
Aircraft time: 57,302 hours, 16,999 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 147A5504
Condition: Corroded
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

FLOORBEAM 947 CORRODED FROM BL ZERO TO BL 45L.AREAS MARKED IN RED. GROUNDED - YES. EVALUATED CORROSION FOUND TO BE MORE THAN 50% MATERIAL LOSS.REMOVED ADJACENT STRUCTURE AND CORRODED T CHORD IAW B737-800 SRM 51-40-02.FABRICATED REPAIR PARTS, LOCATED, DRILLED AND INSTALLED IAW B737-800 SRM 53-70-51-2R-5.REINSTALLED ADJACENT STRUCTURE IAW B737-800 SRM 51-40-02 AND B737-800 SRM 53-70-51-2R-5.