Service difficulty report · Angle · Boeing 737*

Difficulty date
December 20, 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
Angle
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

KEEL BEAM AFT L/H CORNER ATTACHED ANGLE CRACKED AFT OF LT. W/W CUTOUT STA 727 MKD DOT 008 ; / [01] REMOVED ANGLE AT KEEL BEAM AFT LEFT CORNER OF LEFT W/W AS PER REF B737-700 SRM 51-40-02-0G-0; [02] FABRICATED ANGLE AT KEEL BEAM AFT LEFT CORNER OF LEFT W/W AS PER DWG 149A7692. MATERIAL USED 2024-O<BR>0.050' CLAD;[18] INSTALLED NEW ANGLE AND NEW T-CLIP AT KEEL BEAM AFT LEFT CORNER OF LEFT W/W CUTOUT STA 727 AS PER REF B737-700 SRM 51-40-02-0G-0. AND DWG # 149A7610; [19] VERIFIED STEP 18. OK TO INSTALL FAIRING REMOVED IN STEP 8.; [20] REINSTALLED FAIRING REMOVED IN STEP 8 AS PER REF B737-700 SRM 51-40-02-0G-0; [21] VERIFIED STEP 20.