Service difficulty report · Support Angle · Boeing 737*

Difficulty date
October 7, 2021
Submitted
November 22, 2021
Operation
Air carrier
Aircraft
N450WN
Make and model
Boeing 737*
Aircraft serial
32470
Aircraft time
58,641 hours, 34,716 cycles
Part
Support Angle
Condition
Corroded
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

CORROSION ON AFT BULKHEAD TO FLOOR SUPPORT ANGLE AT AFT CARGO BAY BS947 RBL20 WL180. ; / [01] CORROSION ON SUPPORT ANGLE WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM.; [02] VERIFIED CORRECTIVE ACTION 1.; [03] REMOVED SUPPORT PER SRM 51-40-02; [04] LOCATED AND DRILLED NEW AFT BULKHEAD TO FLOOR SUPPORT ANGLE BS 947 RBL20 WL180 PER SRM 51-40-05-0G-0 AND DWG 149A8117; [05] VERIFIED CORRECTIVE ACTION STEP 4.; [06] OK TO INSTALL SUPPORT ANGLE; [07] VERIFIED STEP 6; OK TO INSTALL; [08] OK TO INSTALL CENTER AFT CARGO BULKHEAD SUPPORT ANGLE BS907; [09] INSTALLED CENTER AFT CARGO BULKHEAD SUPPORT ANGLE BS947 PER SRM 51-40-02-0G-0 AND DWG 149A8117; [10] VERIFIED STEP 9; [11] VERIFIED INSTALLATION OF THE AFT BULKHEAD FLOOR SUPPORT AT BS947 PER SRM 51-40-02-0G-0 AND DWG 149A8117; [12] WORKSCOPE COMPLETE ON REPLACEMENT OF THE BS947 AFT CARGO BAY AFT BULKHEAD TO FLOOR SUPPORT.