Service difficulty report · None · Boeing 737*

Difficulty date
February 4, 2022
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 737*
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
None
Condition
Corroded
Location
R2 Door
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 AFT SERVICE MOPSILL STA 953-992.8; RBL 45-54; WL 208. / [01] VERIFY APPLICABILITY PER SRM 53-70-15-1A-1 ALLOWABLE DAMAGE 1;[02] REMOVED CORROSION ON ASD MOPSILL 40'X 2' BS953-BS993 RBL45-RBL54 WL 208 ORIGINAL MATERIAL THICKNESS IS 0.080 LOWEST MATERIAL THICKNESS IS 0.065 ALL I.A.W SRM 53-70-15-1A-1 ALLOWABLE DAMAGE 1 PAR 4.D(2)(A) FIG103 DETAIL D;E;[03] DIAL DEPTH GAGE USED<BR>ID NCX000697<BR>S/N UNKNOWN;[04] PART TO BE OUT LIMITS AND REPLACED I.A.W SRM 51-10-02-0G-0 PAR 9.A(1);[05] OUT LIMIT STATEMENT ADDED;[06] VERIFIED CORRECTIVE ACTION STEPS 1;2;3 AND 4;;[07] REMOVED ASD MOPSILL I.A.W SRM 51-40-02-0G-0;[08] LOCATED AND DRILLED NEW MOPSILL AFT SERVICE DOOR IAW SRM 51-40-05-0G-0 AND DWG 147A8701. OK TO INSTALL.;[09] VERIFIED CORRECTIVE ACTION 8. <BR><BR>OK TO INSTALL;[10] INSTALLED 100% TEMPORARY AND PERMANENT FASTENERS ON NEW MOPSILL AFT SERVICE DOOR BEFORE SQUEZEE OUT TIME EXPIRE;BMS5-95 C-20 USED AT 16-FEB-2022- UTC 23:50 IAW SOPM 20-50-19; SRM 51-40-02-0G-0 AND DWG 147A8501.;[11] CORRECTION ON DWG# 147A8501 STEP 8 MISTAKE ENTERED 147A8701.;[12] INSTALLED NEW AFT SERVICE MOPSILL I.A.W SRM 51-40-02-0G-0 AND BOEING DWG 147A8501.;[13] VERIFIED CORRECTIVE ACTION 10-12;[14] VERIFIED CARD COMPLETE;[15] UPDATED OF MEASUREMENT TABLE.;[16] CERTIFIED UPDATE OF MEASUREMENT TABLE.