Service difficulty report · Stub Frame · Boeing 737*

Difficulty date
December 17, 2021
Submitted
February 7, 2022
Operation
Air carrier
Aircraft
N454WN
Make and model
Boeing 737*
Aircraft serial
29851
Aircraft time
59,747 hours, 35,307 cycles
Part
Stub Frame
Condition
Cracked
Location
Fuselage
Stage of operation
UK
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

TYPICAL CRACK FOUND EMANATING FROM EDGE OF STUB FRAME AFT OF FITTING LATCH AT R1 DOOR CUT OUT AT STA. 294.5 BETWEEN S-8R AND S-9R. ; TYPICAL CRACK FOND EMANATING FROM EDGE OF ST FRAME AFT OF FITTING LATCH AT R1 DOOR CT OT AT STA. 294.5 ETWEEN S-8R AND S-9R. / [01] REMOVED CRACKED STUB FRAME AT R1 DOOR CUT OUT PER B737-700 SRM 51-40-02-0G-0.; [02] VERIFIED REMOVAL; [03] LOCATED NEW STUB FRAME AND STARTED TO DRILL PER B737-700 SRM 51-10-02-0G-0.; [04] VERIFIED STEP 3; [05] COMPLETED DRILLING OF NEW STUB FRAME PER B737-700 SRM 51-10-02-0G-0.; [06] VERIFIED STEP #5; [07] OK TO INSTALL STUB FRAME; [08] INSTALLED NEW STUB FRAME AT R1 DOOR CUT OUT UPPER FWD CORNER PER B737-700 SRM 51-40-02-0G-0 AND DRWG #141A8370.; [09] VERIFIED INSTALLATION