Service difficulty report · Sill · Boeing 737322

Difficulty date
April 16, 2008
Submitted
April 21, 2008
Operation
Air carrier
Aircraft
N312UA
Make and model
Boeing 737322
Aircraft serial
23673
Aircraft time
58,388 hours, 32,094 cycles
Engine
Ge CFM56*
Part
Sill
Condition
Cracked
Location
Aft Cargo Door
Stage of operation
IN
How discovered
9
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 DOOR SILL PLATE HAS 2 CRACKS FIRST CRACK IS ONE INCH LONG, 28 INCHES FROM FWD EDGE. SECOND CRACK IS .750 LONG FOUR INCHES BEHIND FIRST CRACK. REMOVED CRACKED SILL BULLNOSE AND REPAIRED.