Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
April 28, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N416WN
Make and model
Boeing 7377H4
Aircraft serial
32453
Aircraft time
70,967 hours, 42,001 cycles
Part
Stringer
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 STRINGER S-24L TERMINUS. STA 540<[01] VERIFIED APPLICABILITY OF SRM 53-00-03-2R-1 REP.1 AND UPDATED OF MEASUREMENT TABLE.;[02] REMOVED DAMAGED SECTION OF STRINGER 26L BS 500D+11'-540 IAW SRM 53-00-03-2R-1 REP. 1 PAR. 4-B.;09/2023;[07] RECEIVED NEW STRINGER SECTION S-24L FROM OSS RO. 917124-SWA-3 IAW SRM 53-00-03-2R-1 REP. 1 PAR. 4D.;[08] CORRECTION: RECEIVED NEW STRINGER SECTION S-24L FROM OSS RO. 917122-SWA-3 IAW SRM 53-00-03-2R-1 REP. 1 PAR. 4D.;[09] VERIFIED CORRECTIVE ACTION ITEM 8.;[10] RECEIVED STRINGER SPLICE SECTION S-24L FROM OSS RO. 917122-SWA-1 IAW SRM 53-00-03-2R-1 REP. 1 PAR. 4D.[20] UPDATE STEP 1 AND INSTALLED SPLICE REPAIR AT FCB STRINGER 24L BS 500D+4' TO 500D+17' IAW SRM 53-00-03-2R-1 REP. 1.;[21] VERIFIED MEASUREMENTS<BR>VERIFIED CORRECTIVE ACTION #20<BR>COMPLETED STEP 1

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