Service difficulty report · Floorbeam · Boeing 737990

Difficulty date
September 10, 2018
Submitted
October 2, 2018
Operation
Air carrier
Aircraft
N315AS
Make and model
Boeing 737990
Aircraft serial
30019
Aircraft time
56,321 hours, 22,319 cycles
Part
Floorbeam
Part number
141A550636
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 FLOORBEAM AT STA 360 LBL 8 FASTENER HOLE HAS EVIDENCE OF CORROSION. GROUNDED - YES. REPAIRED FLOORBEAM AT STA 360 LBL 8 IAW SRM 53-10-51-28-13 AND EA 900-53EA-20766 REV 00 DATED 09/25/2018. ORIGINAL THICKNESS IS .200, REMAINING IS .167 , .033 WAS REMOVED. FLOORBEAM FOUND OUT OF LIMITS.