Service difficulty report · Floorbeam · Boeing 7378H4

Difficulty date
September 9, 2026
Submitted
October 5, 2026
Operation
Air carrier
Aircraft
N8657B
Make and model
Boeing 7378H4
Aircraft serial
42535
Aircraft time
39,097 hours, 19,276 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 100
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

CORROSION FOUND ON AFT WET AREA FLOOR STRUCTURE AT BS 987 LBL 42 WL 208 \CORROSION FOUND ON AFT WET AREA FLOOR STRUCTURE AT BS 987 LBL 42 WL 208 REMOVED CORROSION FOUND OUT OF LIMIT AND AREA WAS REPAIRED IAW SRM 53-70-51-2R-6 REPAIR 6 VERIFIED ACTION 1

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