SDR ASAA20180815771

Service difficulty report · Floorbeam · Boeing 737890

Difficulty date: July 26, 2018
Submitted: August 15, 2018
Operation: Air carrier
Aircraft: N565AS
Make and model: Boeing 737890
Aircraft serial: 35181
Aircraft time: 44,900 hours, 13,581 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 147A56761
Condition: Corroded
Location: Bs 952
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

AFT WET AREA FLOORBEAM, BS 952, LBL 16 TO LBL 24, HAD AN AREA OF CORROSION. ACFT GROUNDED. REMOVED THE CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-70-51-1A-1, FIG 104, DETAIL C. REMOVED THE FLOORBEAM IAW SRM 51-40-02-0G-0, PARA 7D.6, FABRICATED, LOCATED, DRILLED, AND PRIMED A NEW FLOORBEAM IAW EA 53EA 20622 STEPS 1 AND 2, INSTALLED SRM 51-40-02-0G-0, PARA 7D.