Service difficulty report · Panel · Boeing 73776N

Difficulty date
November 15, 2021
Submitted
December 13, 2021
Operation
Air carrier
Aircraft
N7722B
Make and model
Boeing 73776N
Aircraft serial
32668
Aircraft time
49,599 hours, 25,042 cycles
Part
Panel
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 FWD CARGO BAY AFT LOWER BULKHEAD PANEL AT LBL 24-RBL24 BS 500D. ; / [01] REMOVED CORR0SION ON FWD CARGO BAY AFT LOWER BULKHEAD PANEL AT LBL 24 RBL 24 BS 500D L=2' W=1' X 0.020 REMAINING THICKNESS 0.051 ORIGINAL THICKNESS .071' DAMAGE EXCEED 0F 0RIGINAL THICKNESS FOUND TO BE OUT LIMITS IAW SRM53-30-08-1A-1 STEP 4 FIG#103 DETAIL (A-B).; [02] VERIFIED CORROSION OUT OF LIMITS PER SRM 53-30-08-1A-1; [03] LOCATED AND DRILLED ON FWD CARGO BAY AFT LOWER NEW BULKHEAD PANEL AT LBL 24 RBL 24 BS P/N 143A9485-35 LOT#1468693 PO#837525/1 IAW SRM 51-40-05 AND DWG 143A9485 REV:B.; [04] VERIFIED LOCATED AND DRILLED NEW PANEL SUPPORT PER SRM 51-40-05 AND DWG 143A9485; [05] FCB AFT BULKHEAD TO FLOOR SUPPORT WILL BE IN

More about the Boeing 737-76N