Service difficulty report · Frame · Boeing 737790

Difficulty date
June 24, 2025
Submitted
July 23, 2025
Operation
Air carrier
Aircraft
N644AS
Make and model
Boeing 737790
Aircraft serial
30795
Aircraft time
65,130 hours, 35,671 cycles
Part
Frame
Part number
144A26198
Condition
Cracked
Location
Zone 100
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

REF ASA TC AD20230615-NG-53-IR AD 2023-06-45. CRACK INDICATION NOTED ON RH SIDE 727 FRAME INNER CORD STGR 18R AT THE LOWER REMOVED FASTENER HOLE. GROUNDED - YES. REPAIRED R/H FRAME INNER CARD AT STR 18R IAW ALASKA 700-53EA-28960.