Service difficulty report · Gusset · Boeing 7377CT

Difficulty date
October 18, 2022
Submitted
November 17, 2022
Operation
Air carrier
Aircraft
N569WN
Make and model
Boeing 7377CT
Aircraft serial
33656
Aircraft time
66,340 hours, 34,395 cycles
Part
Gusset
Condition
Cracked
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

FORWARD CARGO BAY GUSSET CRACKED AT BS 500D STR 19R / [01] PRIOR TO REMOVAL;FOUND PART TO HAVE NO SRM LIMITS AND SO PART IS REPAIRABLE BY REPLACEMENT;PER SRM 51-10-02 STEP 9.;[02] REMOVED GUSSET CRACKED AT BS500D;STR. 19R;IAW SRM 51-40-02.;[03] RECEIVED;LOCATED AND DRILLED NEW GUSSET WITH P/N 143A9481-5;LOT#146134-8;IAW SRM 51-40-05;AND DWG#143A7902.OK TO INSTALL.;[04] VERIFIED CORRECTIVE ACTION ITEM 1-3; OK TO INSTALL NEW GUSSET.;[05] INSTALLED NEW GUSSET ON FCB AT BS500D;STR 19R;IAW SRM 51-40-02;AND DWG#143A7902.ALL MAINTENANCE ACTION ARE COMPLETED REQUIRE FINAL BUY OFF.;[06] RII VERIFIED CORRECTIVE ACTION ITEM 5.;[07] VERIFIED CORRECTIVE ACTION ITEMS AND MEASUREMENT FIELDS; CARD COMPLETE.

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