Service difficulty report · Shield · Boeing 737752

Difficulty date
August 15, 2023
Submitted
September 6, 2023
Operation
Air carrier
Aircraft
N7886A
Make and model
Boeing 737752
Aircraft serial
35122
Aircraft time
52,212 hours, 27,316 cycles
Part
Shield
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 FWD CARGO BAY DOOR CUT-OUT AFT SHIELD AT STA: 500+6 & 500+10; WL 156; RBL 24.5.<[01] COMPLETED STEP 1.;[02] VERIFIED CORRECTIVE ACTION ITEM 1.;[03] UPDATED MEASUREMENT TABLE.;[04] UPDATED STEPS 2 AND 3.;[05] EDIT TO STEP 3; NOW HAS CORRECT REFERENCE.;[06] UPDATED STEP 2;4;5;AND 6;[07] NO SRM ALLOWABLE DAMAGE WAS FOUND TO BE APPLICABLE. REPAIR BY REMOVAL AND REPLACEMENT OF PART IAW SRM 51-10-02-0G-0 9.C.<BR><BR>REMOVED FWD CARGO BAY DOOR CUT-OUT SHIELD IAW SRM 51-40-02-0G-0.<BR><BR>LOCATE AND DRILLED NEW FWD CARGO BAY DOOR CUT-OUT SHIELD IAW SRM 51-40-05-0G-0 AND DWG 143A0080.<BR><BR>APPLIED CHEMICAL CONVERSION COATING AND PRIMER IAW SRM 51-20-01-0G-0 AND SOPM 20-41-02<BR><BR>APPLIED BMS 10-11 TYPE 2 ENAMEL COATING IAW SOPM 20-41-02<BR><BR>INSTALLED NEW FCB DOOR CUTOUT SHIELD IAW SRM 51-40-02-0G-0 AND DWG 143A0080 ID:0023 REV:-;[08] VERIFIED CORRECTIVE ACTION #7<BR>VERIFIED MEASUREMENTS