Service difficulty report · Floorbeam · Boeing 737823

Difficulty date
August 30, 2025
Submitted
September 14, 2025
Operation
Air carrier
Aircraft
N938NN
Make and model
Boeing 737823
Aircraft serial
33490
Aircraft time
35,223 hours, 15,411 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 100
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

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON PASSENGER CABIN FLOORBEAM UPPER CHORD (T-CAP) UNDER AFT LAVATORY INBOARD MOUNT LOCATED AT BS 947, LBL 22 . REPAIRED UPPER CHORD PER SRM 53-70-51-2R-5 AND EA 367975.