Service difficulty report · Floorbeam · Boeing 737890

Difficulty date
March 3, 2021
Submitted
March 30, 2021
Operation
Air carrier
Aircraft
N529AS
Make and model
Boeing 737890
Aircraft serial
35198
Aircraft time
39,043 hours, 11,545 cycles
Part
Floorbeam
Part number
147A5712U35
Condition
Corroded
Location
Bs 986
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

FLOORBEAM AT STATION 986 @R2 DOOR AREA CORRODED AT MOUNT FITTING. GROUNDED - YES. REMOVED DAMAGE PER B737-800 SRM 53-70-15 ORIG THICKNESS .040, MAT LOSS .015NEW THICKNESS .025, AREA OUT OF LIMITS PER B737-800 SRM 53-70-15. REMOVED WEB PER B737-800 SRM 51-40-02, INSTALLED P# 147A5712035 PO# 994829.1 SRM. 51-40-02 AND BAC DWG 147A5700.