Service difficulty report · Attach Angle · Boeing 737

Difficulty date
December 3, 2021
Submitted
April 28, 2022
Operation
Air carrier
Aircraft
N234WN
Make and model
Boeing 737
Aircraft serial
32502
Aircraft time
52,359 hours, 31,270 cycles
Part
Attach Angle
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

SUPPLEMENTAL INFORMATION: FWD CARGO BAY INTERCOASTAL ATTACH ANGLE CRACKED BS 440 LBL 25 WL 156 ; / [01] EVALUATED INTERCOSTAL ATTACH ANGLE; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED EVALUATED INTERCOSTAL ATTACH ANGLE; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [03] REMOVED FCB INTERCOSTAL ATTACH ANGLE BS 440; LBL 25; WL 156. PER SRM 51-40-02-0G-0; [04] LOCATED AND DRILLED NEW FCB INTERCOSTAL ATTACH ANGLE BS 440; LBL 25; WL 156. PER DWG 143A7505 AND SRM 51-40-05-0G-0. OK TO INSTALL.; [05] VERIFIED CORRECTIVE ACTIONS STEP 4. OK TO INSTALL GIVEN.; [06] INSTALLED NEW FCB INTERCOSTAL ATTACH ANGLE BS 440; LBL 25; WL 156. PER DWG 143A7505 AND SRM 51-40-02-0G-0.; [07] VERIFIED CORRECTIVE ACTIONS STEP 6.