Service difficulty report · Shield · Boeing 73776N

Difficulty date
July 15, 2021
Submitted
August 10, 2021
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
48,099 hours, 24,239 cycles
Part
Shield
Condition
Corroded
Location
Bs 497-519
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 AFT SHIELD AT BS 497-519 RBL 24 WL 156 ; / [01] NO ENTRIES ALLOWABLE DAMAGE IN SRM PART MUST BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02 STEP 9.C; [02] VERIFIED ITEM 1 CORRECTIVE ACTION.; [03] LOCATED AND DRILLED SHIELD WITH P/N 143A8126-31; LOT.1461424 IAW SRM 51-40-05; DWG#143A8126; [04] THE SHIELD WILL BE INSTALLED ON THE CUSTOMER CARD # TTG8Q004CVKC STEP # 44; [05] INSPECTED AND VERIFIED LOCATED AND DRILLED SHIELD WITH P/N 143A8126-31; LOT.1461424 IAW SRM 51-40-05; DWG#143A8126. THE SHIELD WILL BE INSTALLED ON THE CUSTOMER CARD # TTG8Q004CVKC STEP # 44; [06] OK TO INSTALL.; [07] OK TO INSTALL.; [08] INSTALLED ON FWD CARGO BAY AFT SHIELD P/N 143A8126-31;LOT.1461424 BTW. BS 500-500A;RBL 24; WL 156; IAW SRM 51-40-02; DWG#143A0080; [09] VERIFIED INSTALLATION OF FWD CARGO BAY AFT SHIELD P/N 143A8126-31;LOT.1461424 BTW. BS 500-500A;RBL 24; WL 156; IAW SRM 51-40-02; DWG#143A0080; [10] CORRECTED MEASUREMENTS; [11] ADDED PART REQUIREMENT; [12] VERIFIED; CONFIRMED JOB COMPLETE; [13] NO REFERENCE SELECTED; CORRECT REFERENCE IS SRM 53-30-15-1A-1-A00071 (PERMANENT (NON-DENT DAMAGE TYPES))

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