Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
December 3, 2015
Submitted
December 7, 2015
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
32,121 hours, 9,499 cycles
Part
Floorbeam
Part number
143948535
Condition
Corroded
Location
Bs 500i
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

FWD CARGO COMPARTMENT, AFT BULKHEAD TO FLOOR LOWER SUPPORT ANGLE HAS CORROSION INTERGRANULAR. ACFT GROUNDED. REMOVED CORROSION IAW SRM 53-00-53, ORIGINAL MATERIAL 0.071, MATERIAL LOSS .0.019 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. REMAINING MATERIAL 0.052, UT GAGE, T8225U. REMOVED SUPPORT ANGLE IAW SRM 57-40-02. INSTALLED POSITIONED DRILLED AND DEBURRED IAW SRM 57-40-05 AND 51-40-02, NEW ANGLE PO 853691.3.