Service difficulty report · Floorbeam · Boeing 737823

Difficulty date
March 23, 2026
Submitted
April 14, 2026
Operation
Air carrier
Aircraft
N991AN
Make and model
Boeing 737823
Aircraft serial
30920
Aircraft time
49,793 hours, 21,240 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 FLOOR BEAM UPPER CHORD (T-CAP) AT BS 947 BETWEEN LBL 52 AND RBL 52. REPAIRED CHORD PER SRM 53-70-51-2R-5.