Service difficulty report · Plate · Boeing 737401

Difficulty date
April 29, 2011
Submitted
May 18, 2011
Operation
Air carrier
Aircraft
N421US
Make and model
Boeing 737401
Aircraft serial
23988
Aircraft time
60,126 hours, 40,383 cycles
Part
Plate
Part number
65479573
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

CLT - Q2 - LEVEL 2 EXFOLIATION CORROSION ON FRAME SILL PLATE BETWEEN BS 807 TO BS 830, S25R. REPLACED FRAME SILL PLATE BETWEEN BS 807 TO BS 830, S25R IAW B737 SRM 51-40-02.