Service difficulty report · Floorbeam · Boeing 737990ER

Difficulty date
January 4, 2024
Submitted
February 8, 2024
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
41,482 hours, 13,156 cycles
Part
Floorbeam
Part number
147A555832
Condition
Corroded
Location
Bs 1016 Rbl 36
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 STA 1016 FLOOR BEAM HAS SPOT OF CORROSION RBL 36. GROUNDED - YES. FOUND TO HAVE 100% MAT LOSS AT FASTENER HOLE. REPAIRED FLOOR BEAM IAW ASA EA900ER-53EA-26485W- 2 O- .150 R- 0 L- 2 D- .150.