Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
June 23, 2020
Submitted
July 14, 2020
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
54,585 hours, 32,477 cycles
Part
Floorbeam
Part number
143A0060
Condition
Cracked
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

CRACKED FLOOR SUPPORT AT BS 540; WL 208.1; RBL 24.5-45. REMOVED AND REPLACED FLOOR SUPPORT P/N 143A5240-32. SI 7531404 AT BS540 WL208.1; RBL 24.5-45 IAW SRM 51-10-02 SRM 51-40-02 AND DWG 143A0060.

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