Service difficulty report · Door Sill · Boeing 757324

Difficulty date
December 14, 2025
Submitted
December 16, 2025
Operation
Air carrier
Aircraft
N57852
Make and model
Boeing 757324
Aircraft serial
32811
Aircraft time
70,291 hours, 22,886 cycles
Part
Door Sill
Part number
143N832853
Condition
Mechanic Error
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

L2 DOOR SILL INNER CHORD IS MISS-DRILLED AT DRAIN PAN ATTACH HOLES REMOVE AND REPLACE INNER CHORD PART # 143N8328-53 PER DRAWING 143N8322 AND SRM 51-40-02. ADD EMP:U407139 UPDATED SFR INFORMATION. L2 DOOR SILL INNER CHORD IS MISDRILLED INNER CHORD 143N8328-53 WAS REPLACED REF SRM 51-40-02 AND DRAWING 143N8322 VERIFIED INNER CHORD 143N8328-53 WAS REPLACED REF SRM 51-40-02 AND DRAWING 143N8322.