Service difficulty report · Stub Frame · Boeing 737*

Difficulty date
September 21, 2021
Submitted
November 3, 2021
Operation
Air carrier
Aircraft
N793SA
Make and model
Boeing 737*
Aircraft serial
27888
Aircraft time
67,300 hours, 39,722 cycles
Part
Stub Frame
Condition
Cracked
Location
Fuselage
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

FOUND CRACK AT R1 DOOR CUT OUT FWD UPPER STUB FRAME. ; / [01] REMOVED R1 DOOR FWD CUTOUT UPPER STUB FRAME RE B737-700 SRM 51-40-02-0G-0.; [02] LOCATED AND DRILLED NEW STUB FRAME AT R1 DOOR UPPER FWD CUTOUT REF B737-700 SRM 51-40-05-0G-0 AND DWG# 141A8370.; [03] VERIFIED 1-2.; [04] OK TO INSTALL R-1 DOOR STUB FRAME.; [05] INSTALLED 95% OF FASTENERS AT R1 DOOR FWD UPPER STUB FRAME REF B737-700 SRM 51-40-02-0G-0 AND DWG# 141A8370.; [06] COMPLETED INSTALLATION R1 DOOR FWD UPPER STUB FRAME REF B737-700 SRM 51-40-02-0G-0 AND DWG# 141A8370; [07] VERIFIED STEP 5 & 6; [08] REMOVED AND REPLACED R1 DOOR FWD UPPER STUB FRAME RE B737-700 SRM 51-40-02-0G-0 AND DWG#141A8370.; [09] VERIFIED STEP 8