Service difficulty report · Sidewall Support · Boeing 73776N

Difficulty date
August 20, 2021
Submitted
October 4, 2021
Operation
Air carrier
Aircraft
N7822A
Make and model
Boeing 73776N
Aircraft serial
32596
Aircraft time
59,949 hours, 29,584 cycles
Part
Sidewall Support
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 FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS500A - BS500D RBL23 WL156. ; / [01] CORROSION ON SUPPORT WAS FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO FASTENER HOLES PER SRM 53-00-53-1A-2 FIGURE 103 DETAIL D.; [02] VERIFIED DAMAGE OUT OF LIMITS PER SRM 53-00-53-1A-2.; [03] REMOVED FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY 500A TO BS 500D RBL 23 WL 156 PER SRM 51-40-02-0G-0; [04] RECEIVED NEW FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY N/P: 143A7501U186 LOT:1465888-1 PO NUMBER:833400. LOCATED AND DRILLED NEW FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS500A - BS500D RBL23 WL156 IAW SRM 51-40-02 AND DWG 143A7500 ID: 0017 REV:A; [05] RECEIVED PART; [06] VERIFIED LOCATED AND DRILLED NEW FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS500A - BS500D RBL23 WL156 IAW SRM 51-40-02 AND DWG 143A7500 ID: 0017 REV:A.; [07] OK TO INSTALL FLOOR TO SIDEWALL SUPPORT; [08] OK TO INSTALL FLOOR TO SIDEWALL SUPPORT GIVEN.; [09] INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS500A - BS500D RBL23 WL156 IAW SRM 51-40-02 AND DWG 143A7500 ID: 0017 REV:A.; [10] VERIFIED INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS500A - BS500D RBL23 WL156 IAW SRM 51-40-02 AND DWG 143A7500 ID: 0017 REV:A.

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