Service difficulty report · Angle · Boeing 737990ER

Difficulty date
October 9, 2017
Submitted
October 12, 2017
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
14,230 hours, 4,662 cycles
Part
Angle
Part number
143A9485Y35
Condition
Corroded
Location
Floorbeam
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 BAY FLOORBEAM ANGLE AT BS 500L IS CORRODED FROM LBL 21 TO RBL 21. ACFT GROUNDED. REMOVED CORROSION IAW SRM 53-00-53. FOUND TO BE OUT OF LIMITS. REMOVED THE FLOORBEAM ANGLE AND REPLACED IAW DWG 143A9481, REV A.