Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
July 8, 2020
Submitted
August 6, 2020
Operation
Air carrier
Aircraft
N720WN
Make and model
Boeing 7377H4
Aircraft serial
27854
Aircraft time
74,929 hours, 44,674 cycles
Part
Floorbeam
Part number
143A5240
Condition
Cracked
Location
Bs 540
Stage of operation
IN
How discovered
9
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 FLOORBEAM, BS 540, BL 0 - LBL 24.5, WL 208.1. REMOVED THE CABIN FLOORBEAM IAW SRM 51-40-02-0G-0. LOCATED AND DRILLED A NEW FLOORBEAM ANGLE IAW SRM 51-40-05-0G-0, AND DWG 143A5240, REV-B. AND INSTALLED THE NEW FLOORBEAM IAW SRM 51-40-02-0G-0, AND DWG 143A0060, REV-B.

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