Service difficulty report · Door Sill · Boeing 737990ER

Difficulty date
February 1, 2018
Submitted
February 7, 2018
Operation
Air carrier
Aircraft
N236AK
Make and model
Boeing 737990ER
Aircraft serial
36351
Aircraft time
6,898 hours, 2,376 cycles
Part
Door Sill
Part number
146A812712
Condition
Cracked
Location
Bs 767-794
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 DOOR SURROUND LOWER SILL, SHIELD BETWEEN BS 767 AND 794 IS PUNCTURED. ACFT GROUNDED. REMOVED AND REPLACED THE CARGO DOOR SURROUND LOWER SILL BS 767 TO 794 IAW SRM 51-40-02, & BAC 146A0081 REV:-.