Service difficulty report · Support · Boeing 737*

Difficulty date
February 4, 2022
Submitted
March 21, 2022
Operation
Air carrier
Aircraft
N216WR
Make and model
Boeing 737*
Aircraft serial
32488
Aircraft time
52,760 hours, 31,347 cycles
Part
Support
Condition
Corroded
Location
Fwd Cargo
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

CORROSION ON FCB AFT BULKHEAD SUPPORT FROM RBL 24 TO LBL 24; STA 500D; WL 156. / [01] NO ALLOWABLE DAMAGE LIMITS FOR FCB AFT BULKHEAD CTR SUPPORT ANGLE PER SRM. REPAIR BY REPLACEMENT OF PART;[02] REMOVED FCB AFT BULKHEAD CTR SUPPORT ANGLE PER SRM 51-40-02;[03] CORRECTIVE ACTION 1 RAISED IN ERROR.;[04] SRM 53-30-08-1A-1 IS FOUND TO BE APPLICABLE;[05] REMOVED CORROSION ON FCB AFT BULKHEAD CTR SUPPORT ANGLE AT BS 500D; RBL 23; WL 156 L=1.9'XW=1.4'XD=.002'. BS 500D; RBL 17; WL 156 L=1'XW=.9'XD=.002'. BS 500D; RBL 13.5; WL 156 L=1.8'XW=1.1'XD=.008'. BS 500D; RBL 12; WL 156 L=.7'XW=.6'XD=.002'. BS 500D; RBL 10.5; WL 156 L=1.3'XW=.3'XD=.001'. BS 500D; RBL 9.5; WL 156 L=1.1'XW=.9'XD=.002'. BS 500D; RBL 6.5; WL 156 L=1.3'XW=.2'XD=.001'. BS 500D; LBL 5; WL 156 L=1.8'XW=.9'XD=.002'.BS 500D; LBL 9; WL 156 L=1.1'XW=.1'XD=.001'.BS 500D; LBL 16.5; WL 156 L=.7'XW=.7'XD=.003'. BS 500D; LBL 19.5; WL 156 L=1.8'XW=.8'XD=.004'. BS 500D; LBL 24; WL 156 L=.8'XW=.6'XD=.002'. REMAINING THICKNESS OF .063' OF ORIGINAL THICKNESS .071'. FOUND TO BE IN LIMITS IAW SRM 53-30-08-0I-1 AND SRM 53-30-08-1A-1 STEPS 4.A.(2).<BR><BR>DIAL DEPTH GAUGE USED; ID:ATS2473 DUE:07/2022;[06] VERIFIED CORRECTIVE ACTION ENTRY 5.<BR><BR>OK TO TREAT AND PRIME;[07] APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SOPM 20-43-03 AND AMM 25-21-72-370-804;[08] VERIFIED CORRECTIVE ACTION ENTRY 7.;[09] TASK COMPLETE;[10] INSPECTION COMPLETE;[11] INSPECTION COMPLETE;[12] CORRECTIVE ACTION 1; 2 RAISED IN ERROR