Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
February 5, 2021
Submitted
March 9, 2021
Operation
Air carrier
Aircraft
N935WN
Make and model
Boeing 7377H4
Aircraft serial
36641
Aircraft time
39,462 hours, 23,697 cycles
Part
Floorbeam
Condition
Corroded
Location
Pax Cabin
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

CORROSION FLOOR BEAM LOCATED BS 986.5 AND LBL 42 WL 208 AT PASSENGER CABIN / PERFORMED PERMANENT REPAIR ON FLOOR BEAM LOC BS986.5 AND LBL 42 WL 208 AT PASSENGER CABIN IAW SWA EA#21-153-00451 REV IR AND AEROMAN EA #53-0064-21 REV 0 AND PART 1 MATERIAL USED BAC 1490-2887 PO #2019507998 7075-T6 0.100' PO #2014519889 7075T6- 0.150' PO #2011116883 REPAIRED DUE TO DAMAGE FOUND OUT LIMITS IAW SRM B737-700 53-70-51-1A-1 STEP 4H(2)(B) FIG 103 SHEET 2

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