Service difficulty report · Floor Support · Boeing 737823

Difficulty date
October 18, 2025
Submitted
January 14, 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
147A566022
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

AIRCRAFT WAS GROUNDED: CORROSION ON PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL BETWEEN BS 947 AND BS 967 AT RBL 54. REPLACED INTERCOSTAL PER AARD 51-00-05-1.