Service difficulty report · Support · Boeing 73776N

Difficulty date
February 1, 2022
Submitted
February 22, 2022
Operation
Air carrier
Aircraft
N7725A
Make and model
Boeing 73776N
Aircraft serial
32671
Aircraft time
50,724 hours, 25,358 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo
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 CARGO BAY AFT BULKHEAD SUPPORT AT STA 947.5; RBL 16 TO LBL 9; WL 179 TO WL 177. EVALUATED DAMAGE ON ACB AFT BULKHEAD SUPPORT AT STA 947.5 RBL16 TO LBL9 WL179 TO WL 177 FOUND TO BE OUT LIMITS. LOCATED AND DRILLED NEW AFT BULKHEAD SUPPORT AT BS 947.5 RBL16 TO LBL9 WL179 TO WL 177 ON ACB I.A.W SRM 51-40-05-0G-0 AND DWG 149A8117. DRILLED NEW AFT BULKHEAD SUPPORT AT BS 947.5 RBL16 TO LBL9 WL179 TO WL 177 ON ACB I.A.W SRM 51-40-05-0G-0 AND DWG 149A8117.<BR>VERIFIED OK TO INSTALL.;INSTALLED AFT BULKHEAD SUPPORT AT BS 947 FROM RBL 16 TO LBL9 WL 177 IAW SRM 51-40-02 AND IAW DWG#149A8117; IAW DWG#149A8110.

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