Service difficulty report · Attach Bracket · Boeing 73776Q

Difficulty date
January 13, 2023
Submitted
February 16, 2023
Operation
Air carrier
Aircraft
N565WN
Make and model
Boeing 73776Q
Aircraft serial
30282
Aircraft time
56,383 hours, 37,305 cycles
Part
Attach Bracket
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 ATTACH BRACKET AT BS 480 BETWEEN STRINGER 23L-24L.<[01] THE STRUCTURAL ITEM DOES NOT HAVE ALLOWABLE DAMAGE ENTRIES . THEREFORE HAS TO BE REPAIRED BY REPLACEMENT PER REF SRM 51-10-02-0G-0<BR><BR>FABRICATED NEW BRACKET FROM MATERIAL 6013T4#0.040'' LOT NBR 1404467-1 PER REF DWG NBR 417A2106;[02] VERIFIED CORRECTIVE ACTION 1.;[03] RECEIVED BRACKET FROM OSS HFAB53-BR-151 PO NBR 903645<BR><BR>LOCATED AND DRILLED NEW BRACKET PER REF SRM 51-40-05 AND DWG NBR 417A2106<BR><BR>OK TO APPLY PRIME;[04] VERIFIED CORRECTIVE ACTION STEP 3. VERIFIED OK TO PRIME.;[05] APPLIED PRIME AT BRACKET PER REF AMM 51-21-99;[06] REMOVED AND REPLACED BRACKET PER REF SRM 51-40-02 AND DWG NBR 417A2106;[07] VERIFIED CORRECTIVE ACTION STEP 6.;[08] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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