Service difficulty report · Gusset · Boeing 7377H4

Difficulty date
March 23, 2022
Submitted
May 3, 2022
Operation
Air carrier
Aircraft
N424WN
Make and model
Boeing 7377H4
Aircraft serial
29828
Aircraft time
66,349 hours, 39,132 cycles
Part
Gusset
Part number
143A7902
Condition
Cracked
Location
Fwd Cargo Bay
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 COMPARTMENT GOSET CRACKED AT S-21L STA 500D MKD DOT / [01] REMOVED GUSSET AT FWD CARGO COMPARTMENT STA 500D STR 21L PER REF B737-700 SRM 51-40-02-0G-0.;[02] LOCATED AND DRILLED NEW GUSSET PER REF B737 SRM 51-40-05-0G-0;[03] VERIFIED STEPS #1 AND #2.;[04] OK TO INSTALLED NEW GUSSET.;[05] LATE ENTRY TREATED AND PRIMED HOLES ON NEW GUSSET REF B 737-700 SRM 51-20-01-0G-0.;[06] VERIFIED STEP #5.;[07] INSTALLED NEW GUSSET AT FWD CARGO COMPARTMENT STA 500D STR 21L REF B 737-700 SRM 51-40-02-0G-0 AND DWG # 143A7902.;[08] FINAL INSPECTION; VERIFIED GUSSET INSTALLATION AND REPLACEMENT.

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