Service difficulty report · Gusset · Boeing 7377H4

Difficulty date
July 6, 2021
Submitted
August 19, 2021
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
39,425 hours, 23,903 cycles
Part
Gusset
Condition
Cracked
Location
Bs 500d S19r
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

A045-007; FORWARD CARGO COMPARTMENT; GUSSET ATTACH BRACKET CRACKED AT RADIUS; FORWARD SIDE OF STA:500D; STR:19R. ; / [01] REMOVED CRACKED GUSSET ATTACH BRACKET IN FWD CARGO PIT STA 500D; STR 19R IAW SRM 51-40-02-0G-0; [02] VERIFIED NEW GUSSET ATTACH BRACKET P/N 143A9481-5; A-TAG A62209; LOCATED AND DRILLED NEW GUSSET ATTACH BRACKET AT STA500D; STR 19R IAW SRM 51-40-05-0G-0; DWG 143A7902 REV -; [03] VERIFIED STEPS 1 AND 2<BR>OK TO INSTALL; [04] STARTED INSTALL OF GUSSET ATTACH BRACKET IN FWD PIT AT STA 500D; STR 19R. INSTALLED 4EA RIVETS COMMON TO FRAME AND INSTALLED 5EA HI-LOKS COMMON TO LOWER FLANGE OF STRINGER. IAW SRM 51-40-02-0G-0; DWG 143A7902 REV-; [05] FINISHED INSTALLING NEW GUSSETT IN FWD CARGO STA 500D R/H STR 19 R/H IAW SRM 51-40-02-0G-0 AND DWG 143A7902 REV -.; [06] VERIFIED STEPS 4 AND 5. OK TO CIC; [07] REMOVED AND REPLACED CRACKED GUSSETT IN FWD CARGO STA 500D R/H STR 19 R/H IAW SRM 51-40-02-OG-O AND DWG 143A7902 REV -. RESEALED IAW AMM 51-31-00-390-804 AND APPLIED CIC IAW AMM 51-21-91-620-802.; [08] VERIFIED STEP 7 AND AUDITED

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