Service difficulty report · Sill · Boeing 737490

Difficulty date
April 7, 2011
Submitted
April 27, 2011
Operation
Air carrier
Aircraft
N791AS
Make and model
Boeing 737490
Aircraft serial
28886
Aircraft time
45,112 hours, 25,077 cycles
Part
Sill
Part number
6552878123
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

LOWER SILL WEB AT L 2 DOOR MOP SILL IS CORRODED BETWEEN BS 986 AND BS 992 LBL 45. REMOVED WEB FABRICATED REPLACEMENT PART AND INSTALLED IAW B737 400 SRM 51 40 02.