Service difficulty report · Sill · Boeing 737522

Difficulty date
March 21, 2006
Submitted
March 28, 2006
Operation
Air carrier
Aircraft
N930UA
Make and model
Boeing 737522
Aircraft serial
26655
Aircraft time
37,538 hours, 27,511 cycles
Engine
Cfmint CFM563C1
Part
Sill
Condition
Cracked
Location
Bs 818
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 PIT DOOR CUTOUT, LWR SILL BEAM UPPER FLANGE CRACKED BS 818 RBL 19" WL 159. INSTALLED DOUBLER REPAIR PER SRM 51-70-11 AND MM 51-21-21.