Service difficulty report · Gusset · Boeing 73771B

Difficulty date
October 21, 2022
Submitted
November 14, 2022
Operation
Air carrier
Aircraft
N7854B
Make and model
Boeing 73771B
Aircraft serial
29372
Aircraft time
45,663 hours, 30,470 cycles
Part
Gusset
Condition
Cracked
Location
Bs 500d
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

FWD CARGO BAY AFT BULKHEAD SUPPORT GUSSET IS CRACKED BS500D S-19L WL193. MARKED / [01] VERIFIED APPLICABILITY FOR ALLOWABLE DAMAGE LIMITS ON FWD CARGO BAY AFT BULKHEAD SUPPORT GUSSET IAW SRM 51-10-02;[02] NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPACEMENT GUSSET BS 500D S19L WL193 IAW SRM 51-10-02-0G-0 PARAGRAPH # 9;[03] REMOVED FWD CARGO BAY AFT BULKHEAD SUPPORT GUSSET IS CRACKED BS500D S-19L WL193 IAW SRM 51-40-02;[04] VERIFIED CORRECTIVE ACTION ITEM 1-3.;[05] LOCATED AND DRILLED FWD CARGO BAY AFT BULKHEAD SUPPORT NEW GUSSET BS500D S-19L WL193 P/N 143A9481-6 IAW SRM 51-40-05 AND DWG 143A7902 REV-OK TO INSTALL;[06] VERIFIED LOCATED AND DRILLED FWD CARGO BAY AFT BULKHEAD SUPPORT NEW GUSSET BS500D S-19L WL193 P/N 143A9481-6 IAW SRM 51-40-05 AND DWG 143A7902 REV-.;[07] OK TO INSTALL GIVEN;[08] INSTALLED NEW GUSSET AT FCB AFT BULKHEAD BS500D S-19L WL193 PER SRM 51-40-02-0G-0 AND DWG 143A7902.;[09] VERIFIED CORRECTIVE ACTION #8.<BR>VERIFIED MEASUREMENTS.

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