Service difficulty report · Gusset · Boeing 7377H4

Difficulty date
May 7, 2022
Submitted
June 14, 2022
Operation
Air carrier
Aircraft
N286WN
Make and model
Boeing 7377H4
Aircraft serial
32471
Aircraft time
57,746 hours, 34,276 cycles
Part
Gusset
Part number
143A94815
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 AT FRAME STA 500D GUSSET AT STRINGERS 19R CRACKED. 8-59 / [01] RECEIVED NEW GUSSET P/N 143A9481-5 P/O# 1770018;[02] REMOVED GUSSET AT FWD CARGO AT RT SIDE AT FRAME STA 500 D AT STRINGER 19R IN IAW SRM 51-40-02-0G-0;[03] LOCATED AND DRILLED NEW GUSSET AT FWD CARGO AT FRAME STA 500D AT STRINGER 19R IN IAW SRM 51-40-05-0G-0;[04] VERIFIED STEPS #1; #2 AND #3<BR> OK TO TREAT AND PRIME DRILLED HOLES.;[05] TREATED WITH ALODINE AND PRIMED DRLLED HOLES IN IAW SRM 51-20-01-0G-0 AND 51-21-72-370-804;[06] VERIFIED STEP #5.<BR> OK TO INSTALL REPLACEMENT GUSSET.;[07] INSTALLED NEW GUSSET PER REF B737 SRM 51-40-02-0G-0 AND DWG 143A9481;[08] REMOVED AND REPLACED DAMAGE GUSSET AT FWD CARGO COMP BS 500D STR 19RT PER REF B737 SRM 51-40-02-0G-0 AND DWG 143A9481;[09] VERIFIED STEP #7; NEW GUSSET INSTALLED.;[10] FINAL INSPECTION; GUSSET REPLACED.

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