Service difficulty report · Sill · Boeing 757251

Difficulty date
April 1, 2011
Submitted
April 4, 2011
Operation
Air carrier
Aircraft
N521US
Make and model
Boeing 757251
Aircraft serial
23209
Aircraft time
77,302 hours, 32,235 cycles
Part
Sill
Condition
Corroded
Location
Fuselage
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

AFT CARGO BETWEEN STA 1380 T0 1440 RBL 19 TO 25 UNDERNEATH OF DOOR SILL & SIDE PNL FASTENER & NUT PLATE HAS SURFACE CORROSION. BLENDED CORRODED AREAS ON LWR AREA OF DOOR SILL PER SRM 51-10-02. OUT OF LIMITS PER SRM 53-60-15 FIG 101. DOOR SILL REPLACED ON N/R 150/43. SIDE PANEL REPLACED ON N/R160/14. REMOVAL OF FASTENERS, NUT PLATES. INSTALL ACCOMPLISHED ON N/R 160/14.