Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
July 23, 2026
Submitted
August 26, 2026
Operation
Air carrier
Aircraft
N8644C
Make and model
Boeing 7378H4
Aircraft serial
35973
Aircraft time
39,269 hours, 19,358 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
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 FOUND IN FASTENER HOLES 10 EA ON AFT PAX CABIN FLOORBEAM, WL 208.1, BS 986.5, RBL 43. THE FLOORBEAM WAS REPAIRED IAW SRM 53-70-51-2R-6.

More about the Boeing 737-8H4