Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
October 27, 2018
Submitted
November 14, 2018
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
39,351 hours, 11,834 cycles
Part
Floorbeam
Part number
147A55047
Condition
Corroded
Location
Fuselage
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

MAIN CABIN AFT WET AREA, FLOORBEAM UPPER SURFACE SEVERAL SPOTS CORROSION BS 947.5, LBL 15 - RBL 12. GROUNDED - YES. REMOVED DAMAGE ON 947.5 FLOORBEAM ORIG THICKNESS 0.180, MAT'L REMAINING 0.134, REMOVED 0.046 AND FOUND TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1 AND 53-70-51-01-1, REPAIRED 947.5 FLOORBEAM PER SRM 53-70-51-2R-5. CUT FLOORBEAM AND REMOVED DAMAGED SECTION SPLICED IN NEW SECTION OF FLOORBEAM.