Service difficulty report · Gusset · Boeing 7377H4

Difficulty date
March 8, 2023
Submitted
April 12, 2023
Operation
Air carrier
Aircraft
N956WN
Make and model
Boeing 7377H4
Aircraft serial
36672
Aircraft time
38,869 hours, 23,696 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 COMPARTMENT - GUSSET HAS A CRACK BS 500D STR 19L.<[01] VERIFIED APPLICABILITY OF SRM CH 53-30-08-1A-1 FOR ALLOWABLE DAMAGE TO GUSSETS. CRACKS NOT PERMITTED. FOUND TO BE OUT OF LIMITS.;[02] REMOVED GUSSET FROM BS 500D; STR 19R IAW SRM 51-40-02-0G-0<BR><BR>LOCATED AND DRILLED NEW GUSSET IAW SRM 51-40-05-0G-0 AND DWG 143A7902; ID: 0259 ; REV: -; OK TO INSTALL;[03] FIXED TABLE;[04] CERTIFIED UPDATE CORRECTIVE ACTION 3.;[05] VERIFIED STEP 2;3 AND MEASUREMENT TABLE.<BR>OK TO INSTALL;[06] INSTALLED NEW GUSSET ON FCB AT P/N143A9481-6 BS 500D STR 19L IAW SRM 51-40-02 AND DWG#143A7902 REV:;[07] INSPECTED AND VERIFIED CORRECTIVE ACTION. JOB COMPLETE.;[08] VERIFIED MEASUREMENTS TABLE.

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