Service difficulty report · Support Rail · Boeing 737823

Difficulty date
March 24, 2026
Submitted
April 8, 2026
Operation
Air carrier
Aircraft
N909AN
Make and model
Boeing 737823
Aircraft serial
29511
Aircraft time
68,629 hours, 28,616 cycles
Part
Support Rail
Part number
149A949177
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 AFT PASSENGER CABIN FIRE LOOP SUPPORT RAIL BELOW FLOOR LINE AT STA 942 AND LBL 39. REPLACED SUPPORT RAIL PER AARD 51-00-05-1.