Service difficulty report · Gusset · Boeing 7377BD

Difficulty date
March 3, 2023
Submitted
April 3, 2023
Operation
Air carrier
Aircraft
N556WN
Make and model
Boeing 7377BD
Aircraft serial
33936
Aircraft time
37,398 hours, 21,958 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

CRACK ON FWD CARGO BAY GUSSET AT BS 500D STRINGER 19L.<[01] VERIFIED SRM 51-10-02 PARAG.9 IS APPLICABLE FOR REPAIR.;[02] PRIOR TO REMOVAL;FOUND PART TO HAVE NO SRM LIMITS AND SO PART IS REPAIRABLE BY REPLACEMENT;PER SRM 51-10-02 PARAG. 9;[03] REMOVED GUSSET CRACKED PER SRM 51-40-02.;[04] RECEIVED;LOCATED AND DRILLED NEW GUSSET WITH P/N143A9481-6;LOT#1504017-6 PER SRM 51-40-05 AND DWG#143A7902.OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION 4.;[06] INSTALLED GUSSET ON FWD CARGO AT BS500D STR. 19L;PER SRM 51-40-02 AND DWG#143A7902.;[13] SRM 53-30-03-0I-1 AND DWG 143A3210 IDENTIFICATION AND SRM SRM 53-00-03-1A-1. EVALUATION ACCOMPLISHED ON CORRECTIVE ACTION 11 AND 12.;[14] VERIFIED CORRECTIVE ACTIONS 11;12 AND 13.;[15] OK TO INSTALL;[16] COMPLETED STEP 1; STRINGER REPAIR TO BE ACCOMPLISHED ON TTG8Q00JDQXC. OK TO INSTALL GUSSET AT BS 500D STRINGER 19L;

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