Service difficulty report · Door Sill · Boeing 737823

Difficulty date
February 1, 2026
Submitted
February 1, 2026
Operation
Air carrier
Aircraft
N974AN
Make and model
Boeing 737823
Aircraft serial
30098
Aircraft time
68,512 hours, 29,184 cycles
Part
Door Sill
Part number
141A81121
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 L1 ENTRY LOWER SILL INNER CHORD BETWEEN BS 294.50 AND BS 312.0. REPLACED INNER CHORD PER AARD 51-00-05-1 AND EA 366791.