Service difficulty report · Floor Support · Boeing 737823

Difficulty date
October 22, 2025
Submitted
January 15, 2026
Operation
Air carrier
Aircraft
N907AN
Make and model
Boeing 737823
Aircraft serial
29509
Aircraft time
74,732 hours, 31,157 cycles
Part
Floor Support
Part number
147A566O21
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 STRUCTURE INTERCOSTAL AT BS 947, LBL 48. REPLACED INTERCOSTAL PER AARD 51-00-05-1.