Service difficulty report · Door Sill · Boeing 737823

Difficulty date
February 9, 2026
Submitted
February 27, 2026
Operation
Air carrier
Aircraft
N983AN
Make and model
Boeing 737823
Aircraft serial
29570
Aircraft time
48,839 hours, 20,765 cycles
Part
Door Sill
Part number
147A8540U7
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 IN BASE MAINTENANCE: CORROSION ON LEFT HAND AFT ENTRY WAY LOWER SILL INNER CHORD (CREASE ANGLE) AT STA 968, LBL 54. REPLACED INNER CHORD PER AARD 51-00-05-1.